{"id":4532,"date":"2026-02-04T19:05:27","date_gmt":"2026-02-05T00:05:27","guid":{"rendered":"https:\/\/smartdsp.pro\/?page_id=4532"},"modified":"2026-02-19T16:04:19","modified_gmt":"2026-02-19T21:04:19","slug":"free-audio-converter","status":"publish","type":"page","link":"https:\/\/smartdsp.pro\/fr\/free-audio-converter\/","title":{"rendered":"Free Audio Format Converter"},"content":{"rendered":"

[et_pb_section fb_built=”1″ admin_label=”Hero Section” _builder_version=”4.27.5″ background_color=”#000000″ use_background_color_gradient=”on” background_color_gradient_stops=”#000000 0%|rgba(0,0,0,0) 20%|rgba(0,0,0,0) 80%|#000000 100%” background_color_gradient_overlays_image=”on” background_image=”https:\/\/smartdsp.pro\/wp-content\/uploads\/2022\/10\/streamer-79.png” custom_padding=”100px|||||” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.5″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.5″ _module_preset=”default” global_colors_info=”{}”][et_pb_code _builder_version=”4.27.5″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″] Audio Format Converter<\/title><!-- [et_pb_line_break_holder] --> <\/p>\n<style><!-- [et_pb_line_break_holder] --> * {<!-- [et_pb_line_break_holder] --> margin: 0;<!-- [et_pb_line_break_holder] --> padding: 0;<!-- [et_pb_line_break_holder] --> box-sizing: border-box;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> body {<!-- [et_pb_line_break_holder] --> font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;<!-- [et_pb_line_break_holder] --> background: #0a0a0a;<!-- [et_pb_line_break_holder] --> color: #e0e0e0;<!-- [et_pb_line_break_holder] --> padding: 40px 20px;<!-- [et_pb_line_break_holder] --> min-height: 100vh;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .container {<!-- [et_pb_line_break_holder] --> max-width: 900px;<!-- [et_pb_line_break_holder] --> margin: 0 auto;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> h1 {<!-- [et_pb_line_break_holder] --> font-size: 2.9rem;<!-- [et_pb_line_break_holder] --> font-weight: 700;<!-- [et_pb_line_break_holder] --> margin-bottom: 12px;<!-- [et_pb_line_break_holder] --> background: linear-gradient(135deg, #f3be29 0%, #cd3ba7 100%);<!-- [et_pb_line_break_holder] --> -webkit-background-clip: text;<!-- [et_pb_line_break_holder] --> -webkit-text-fill-color: transparent;<!-- [et_pb_line_break_holder] --> background-clip: text;<!-- [et_pb_line_break_holder] --> text-align: center;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .subtitle {<!-- [et_pb_line_break_holder] --> text-align: center;<!-- [et_pb_line_break_holder] --> color: white;<!-- [et_pb_line_break_holder] --> margin-bottom: 16px;<!-- [et_pb_line_break_holder] --> font-size: 1.3rem;<!-- [et_pb_line_break_holder] --> font-weight: bold;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .features {<!-- [et_pb_line_break_holder] --> display: flex;<!-- [et_pb_line_break_holder] --> justify-content: center;<!-- [et_pb_line_break_holder] --> gap: 24px;<!-- [et_pb_line_break_holder] --> flex-wrap: wrap;<!-- [et_pb_line_break_holder] --> margin-bottom: 40px;<!-- [et_pb_line_break_holder] --> font-size: 0.875rem;<!-- [et_pb_line_break_holder] --> color: #10b981;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .feature-item {<!-- [et_pb_line_break_holder] --> display: flex;<!-- [et_pb_line_break_holder] --> align-items: center;<!-- [et_pb_line_break_holder] --> gap: 6px;<!-- [et_pb_line_break_holder] --> font-size: 1rem;<!-- [et_pb_line_break_holder] --> font-weight: bold;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .feature-item::before {<!-- [et_pb_line_break_holder] --> content: \"\u2713\";<!-- [et_pb_line_break_holder] --> font-weight: bold;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .warning-box {<!-- [et_pb_line_break_holder] --> background: #1f2937;<!-- [et_pb_line_break_holder] --> border-left: 4px solid #f59e0b;<!-- [et_pb_line_break_holder] --> border-radius: 8px;<!-- [et_pb_line_break_holder] --> padding: 12px 16px;<!-- [et_pb_line_break_holder] --> margin-bottom: 20px;<!-- [et_pb_line_break_holder] --> font-size: 0.875rem;<!-- [et_pb_line_break_holder] --> color: #fbbf24;<!-- [et_pb_line_break_holder] --> display: none;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .warning-box.active {<!-- [et_pb_line_break_holder] --> display: block;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .drop-zone {<!-- [et_pb_line_break_holder] --> border: 2px dashed #4b5563;<!-- [et_pb_line_break_holder] --> border-radius: 12px;<!-- [et_pb_line_break_holder] --> padding: 60px 40px;<!-- [et_pb_line_break_holder] --> text-align: center;<!-- [et_pb_line_break_holder] --> background: #1a1a1a;<!-- [et_pb_line_break_holder] --> transition: all 0.3s ease;<!-- [et_pb_line_break_holder] --> cursor: pointer;<!-- [et_pb_line_break_holder] --> margin-bottom: 30px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .drop-zone:hover,<!-- [et_pb_line_break_holder] --> .drop-zone.drag-over {<!-- [et_pb_line_break_holder] --> border-color: #f99c06;<!-- [et_pb_line_break_holder] --> background: #1f1f2e;<!-- [et_pb_line_break_holder] --> transform: translateY(-2px);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .drop-zone-icon {<!-- [et_pb_line_break_holder] --> font-size: 3rem;<!-- [et_pb_line_break_holder] --> margin-bottom: 16px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .drop-zone-text {<!-- [et_pb_line_break_holder] --> font-size: 1.125rem;<!-- [et_pb_line_break_holder] --> margin-bottom: 8px;<!-- [et_pb_line_break_holder] --> color: #e0e0e0;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .drop-zone-subtext {<!-- [et_pb_line_break_holder] --> font-size: 0.875rem;<!-- [et_pb_line_break_holder] --> color: #9ca3af;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .controls {<!-- [et_pb_line_break_holder] --> display: flex;<!-- [et_pb_line_break_holder] --> gap: 16px;<!-- [et_pb_line_break_holder] --> margin-bottom: 30px;<!-- [et_pb_line_break_holder] --> flex-wrap: wrap;<!-- [et_pb_line_break_holder] --> align-items: center;<!-- [et_pb_line_break_holder] --> justify-content: center;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .select-wrapper {<!-- [et_pb_line_break_holder] --> position: relative;<!-- [et_pb_line_break_holder] --> flex: 0 0 auto;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> select {<!-- [et_pb_line_break_holder] --> appearance: none;<!-- [et_pb_line_break_holder] --> background: #1a1a1a;<!-- [et_pb_line_break_holder] --> border: 2px solid #4b5563;<!-- [et_pb_line_break_holder] --> color: #e0e0e0;<!-- [et_pb_line_break_holder] --> padding: 14px 40px 14px 16px;<!-- [et_pb_line_break_holder] --> border-radius: 8px;<!-- [et_pb_line_break_holder] --> font-size: 1rem;<!-- [et_pb_line_break_holder] --> cursor: pointer;<!-- [et_pb_line_break_holder] --> transition: all 0.3s ease;<!-- [et_pb_line_break_holder] --> min-width: 200px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> select:hover {<!-- [et_pb_line_break_holder] --> border-color: #667eea;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> select:focus {<!-- [et_pb_line_break_holder] --> outline: none;<!-- [et_pb_line_break_holder] --> border-color: #f99c06;<!-- [et_pb_line_break_holder] --> box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .select-wrapper::after {<!-- [et_pb_line_break_holder] --> content: \"\u25bc\";<!-- [et_pb_line_break_holder] --> position: absolute;<!-- [et_pb_line_break_holder] --> right: 16px;<!-- [et_pb_line_break_holder] --> top: 50%;<!-- [et_pb_line_break_holder] --> transform: translateY(-50%);<!-- [et_pb_line_break_holder] --> pointer-events: none;<!-- [et_pb_line_break_holder] --> color: #9ca3af;<!-- [et_pb_line_break_holder] --> font-size: 0.75rem;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .quality-wrapper {<!-- [et_pb_line_break_holder] --> position: relative;<!-- [et_pb_line_break_holder] --> flex: 0 0 auto;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .quality-select {<!-- [et_pb_line_break_holder] --> min-width: 180px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .btn {<!-- [et_pb_line_break_holder] --> padding: 14px 32px;<!-- [et_pb_line_break_holder] --> border: none;<!-- [et_pb_line_break_holder] --> border-radius: 8px;<!-- [et_pb_line_break_holder] --> font-size: 1rem;<!-- [et_pb_line_break_holder] --> font-weight: 600;<!-- [et_pb_line_break_holder] --> cursor: pointer;<!-- [et_pb_line_break_holder] --> transition: all 0.3s ease;<!-- [et_pb_line_break_holder] --> display: inline-flex;<!-- [et_pb_line_break_holder] --> align-items: center;<!-- [et_pb_line_break_holder] --> gap: 8px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .btn-primary {<!-- [et_pb_line_break_holder] --> background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);<!-- [et_pb_line_break_holder] --> color: white;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .btn-primary:hover:not(:disabled) {<!-- [et_pb_line_break_holder] --> transform: translateY(-2px);<!-- [et_pb_line_break_holder] --> box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .btn-primary:disabled {<!-- [et_pb_line_break_holder] --> opacity: 0.5;<!-- [et_pb_line_break_holder] --> cursor: not-allowed;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .btn-secondary {<!-- [et_pb_line_break_holder] --> background: #1a1a1a;<!-- [et_pb_line_break_holder] --> color: #e0e0e0;<!-- [et_pb_line_break_holder] --> border: 2px solid #4b5563;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .btn-secondary:hover {<!-- [et_pb_line_break_holder] --> border-color: #f99c06;<!-- [et_pb_line_break_holder] --> background: #1f1f2e;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-list {<!-- [et_pb_line_break_holder] --> background: #1a1a1a;<!-- [et_pb_line_break_holder] --> border-radius: 12px;<!-- [et_pb_line_break_holder] --> padding: 24px;<!-- [et_pb_line_break_holder] --> margin-bottom: 30px;<!-- [et_pb_line_break_holder] --> display: none;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-list.active {<!-- [et_pb_line_break_holder] --> display: block;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-item {<!-- [et_pb_line_break_holder] --> display: flex;<!-- [et_pb_line_break_holder] --> justify-content: space-between;<!-- [et_pb_line_break_holder] --> align-items: center;<!-- [et_pb_line_break_holder] --> padding: 16px;<!-- [et_pb_line_break_holder] --> background: #0a0a0a;<!-- [et_pb_line_break_holder] --> border-radius: 8px;<!-- [et_pb_line_break_holder] --> margin-bottom: 12px;<!-- [et_pb_line_break_holder] --> border: 1px solid #2a2a2a;<!-- [et_pb_line_break_holder] --> position: relative;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-item:last-child {<!-- [et_pb_line_break_holder] --> margin-bottom: 0;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-info {<!-- [et_pb_line_break_holder] --> flex: 1;<!-- [et_pb_line_break_holder] --> display: flex;<!-- [et_pb_line_break_holder] --> align-items: center;<!-- [et_pb_line_break_holder] --> gap: 12px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-icon {<!-- [et_pb_line_break_holder] --> font-size: 1.5rem;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-details {<!-- [et_pb_line_break_holder] --> flex: 1;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-name {<!-- [et_pb_line_break_holder] --> font-weight: 500;<!-- [et_pb_line_break_holder] --> margin-bottom: 4px;<!-- [et_pb_line_break_holder] --> color: #e0e0e0;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-meta {<!-- [et_pb_line_break_holder] --> font-size: 0.8125rem;<!-- [et_pb_line_break_holder] --> color: #6b7280;<!-- [et_pb_line_break_holder] --> margin-top: 2px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-size {<!-- [et_pb_line_break_holder] --> font-size: 0.875rem;<!-- [et_pb_line_break_holder] --> color: #9ca3af;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-status {<!-- [et_pb_line_break_holder] --> display: flex;<!-- [et_pb_line_break_holder] --> align-items: center;<!-- [et_pb_line_break_holder] --> gap: 8px;<!-- [et_pb_line_break_holder] --> padding: 6px 12px;<!-- [et_pb_line_break_holder] --> border-radius: 6px;<!-- [et_pb_line_break_holder] --> font-size: 0.875rem;<!-- [et_pb_line_break_holder] --> font-weight: 500;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .status-pending {<!-- [et_pb_line_break_holder] --> background: #1f2937;<!-- [et_pb_line_break_holder] --> color: #9ca3af;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .status-converting {<!-- [et_pb_line_break_holder] --> background: #1e3a5f;<!-- [et_pb_line_break_holder] --> color: #60a5fa;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .status-success {<!-- [et_pb_line_break_holder] --> background: #064e3b;<!-- [et_pb_line_break_holder] --> color: #10b981;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .status-error {<!-- [et_pb_line_break_holder] --> background: #7f1d1d;<!-- [et_pb_line_break_holder] --> color: #ef4444;<!-- [et_pb_line_break_holder] --> cursor: help;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .spinner {<!-- [et_pb_line_break_holder] --> border: 2px solid #1f2937;<!-- [et_pb_line_break_holder] --> border-top: 2px solid #60a5fa;<!-- [et_pb_line_break_holder] --> border-radius: 50%;<!-- [et_pb_line_break_holder] --> width: 16px;<!-- [et_pb_line_break_holder] --> height: 16px;<!-- [et_pb_line_break_holder] --> animation: spin 1s linear infinite;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> @keyframes spin {<!-- [et_pb_line_break_holder] --> 0% { transform: rotate(0deg); }<!-- [et_pb_line_break_holder] --> 100% { transform: rotate(360deg); }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-progress {<!-- [et_pb_line_break_holder] --> position: absolute;<!-- [et_pb_line_break_holder] --> bottom: 0;<!-- [et_pb_line_break_holder] --> left: 0;<!-- [et_pb_line_break_holder] --> height: 3px;<!-- [et_pb_line_break_holder] --> background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);<!-- [et_pb_line_break_holder] --> width: 0%;<!-- [et_pb_line_break_holder] --> transition: width 0.3s ease;<!-- [et_pb_line_break_holder] --> border-radius: 0 0 8px 8px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .progress-container {<!-- [et_pb_line_break_holder] --> background: #1a1a1a;<!-- [et_pb_line_break_holder] --> border-radius: 12px;<!-- [et_pb_line_break_holder] --> padding: 24px;<!-- [et_pb_line_break_holder] --> margin-bottom: 30px;<!-- [et_pb_line_break_holder] --> display: none;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .progress-container.active {<!-- [et_pb_line_break_holder] --> display: block;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .progress-header {<!-- [et_pb_line_break_holder] --> display: flex;<!-- [et_pb_line_break_holder] --> justify-content: space-between;<!-- [et_pb_line_break_holder] --> align-items: center;<!-- [et_pb_line_break_holder] --> margin-bottom: 12px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .progress-text {<!-- [et_pb_line_break_holder] --> font-weight: 500;<!-- [et_pb_line_break_holder] --> color: #e0e0e0;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .progress-percentage {<!-- [et_pb_line_break_holder] --> color: #667eea;<!-- [et_pb_line_break_holder] --> font-weight: 600;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .progress-bar-container {<!-- [et_pb_line_break_holder] --> background: #0a0a0a;<!-- [et_pb_line_break_holder] --> border-radius: 8px;<!-- [et_pb_line_break_holder] --> height: 8px;<!-- [et_pb_line_break_holder] --> overflow: hidden;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .progress-bar {<!-- [et_pb_line_break_holder] --> height: 100%;<!-- [et_pb_line_break_holder] --> background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);<!-- [et_pb_line_break_holder] --> border-radius: 8px;<!-- [et_pb_line_break_holder] --> transition: width 0.3s ease;<!-- [et_pb_line_break_holder] --> width: 0%;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .success-message {<!-- [et_pb_line_break_holder] --> background: #064e3b;<!-- [et_pb_line_break_holder] --> border: 2px solid #10b981;<!-- [et_pb_line_break_holder] --> border-radius: 12px;<!-- [et_pb_line_break_holder] --> padding: 24px;<!-- [et_pb_line_break_holder] --> text-align: center;<!-- [et_pb_line_break_holder] --> display: none;<!-- [et_pb_line_break_holder] --> margin-bottom: 30px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .success-message.active {<!-- [et_pb_line_break_holder] --> display: block;<!-- [et_pb_line_break_holder] --> animation: slideIn 0.5s ease;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> @keyframes slideIn {<!-- [et_pb_line_break_holder] --> from {<!-- [et_pb_line_break_holder] --> opacity: 0;<!-- [et_pb_line_break_holder] --> transform: translateY(-20px);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> to {<!-- [et_pb_line_break_holder] --> opacity: 1;<!-- [et_pb_line_break_holder] --> transform: translateY(0);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .success-icon {<!-- [et_pb_line_break_holder] --> font-size: 3rem;<!-- [et_pb_line_break_holder] --> margin-bottom: 12px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .success-text {<!-- [et_pb_line_break_holder] --> font-size: 1.25rem;<!-- [et_pb_line_break_holder] --> font-weight: 600;<!-- [et_pb_line_break_holder] --> color: #10b981;<!-- [et_pb_line_break_holder] --> margin-bottom: 8px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .success-subtext {<!-- [et_pb_line_break_holder] --> color: #9ca3af;<!-- [et_pb_line_break_holder] --> margin-bottom: 20px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .info-box {<!-- [et_pb_line_break_holder] --> background: #1a1a1a;<!-- [et_pb_line_break_holder] --> border-left: 4px solid #f3be29;<!-- [et_pb_line_break_holder] --> border-radius: 8px;<!-- [et_pb_line_break_holder] --> padding: 16px 20px;<!-- [et_pb_line_break_holder] --> margin-top: 30px;<!-- [et_pb_line_break_holder] --> font-size: 0.875rem;<!-- [et_pb_line_break_holder] --> color: #9ca3af;<!-- [et_pb_line_break_holder] --> line-height: 1.6;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .info-box strong {<!-- [et_pb_line_break_holder] --> color: #e0e0e0;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .info-box ul {<!-- [et_pb_line_break_holder] --> margin: 8px 0 0 20px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .info-box li {<!-- [et_pb_line_break_holder] --> margin: 4px 0;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> input[type=\"file\"] {<!-- [et_pb_line_break_holder] --> display: none;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> @media (max-width: 640px) {<!-- [et_pb_line_break_holder] --> h1 {<!-- [et_pb_line_break_holder] --> font-size: 2rem;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .subtitle {<!-- [et_pb_line_break_holder] --> font-size: 1.1rem;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .controls {<!-- [et_pb_line_break_holder] --> flex-direction: column;<!-- [et_pb_line_break_holder] --> width: 100%;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> select,<!-- [et_pb_line_break_holder] --> .btn {<!-- [et_pb_line_break_holder] --> width: 100%;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> .file-item {<!-- [et_pb_line_break_holder] --> flex-direction: column;<!-- [et_pb_line_break_holder] --> align-items: flex-start;<!-- [et_pb_line_break_holder] --> gap: 12px;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <\/style>\n<p><!-- [et_pb_line_break_holder] --><\/head><!-- [et_pb_line_break_holder] --><body><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"container\"><!-- [et_pb_line_break_holder] --> <\/p>\n<h1>Audio Format Converter<\/h1>\n<p><!-- [et_pb_line_break_holder] --> <pee class=\"subtitle\">Professional-grade audio conversion in your browser<\/pee><!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"features\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"feature-item\">100% Local Processing<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"feature-item\">Completely Free<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"feature-item\">No Account Required<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"feature-item\">No Ads<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"warning-box\" id=\"warningBox\"><!-- [et_pb_line_break_holder] --> \u26a0\ufe0f <strong>Large files detected:<\/strong> Converting very large audio files (500MB+) may take longer and use significant memory. Performance depends on your device’s capabilities. For reference: a typical 5-minute song at CD quality is ~50MB.<!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"drop-zone\" id=\"dropZone\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"drop-zone-icon\">\ud83c\udfb5<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"drop-zone-text\">Drag & drop audio files here<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"drop-zone-subtext\">or click to browse<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"drop-zone-subtext\" style=\"margin-top: 8px;\">Supports: WAV, MP3, MP4, M4A, OGG, FLAC, AAC, WEBM<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <input type=\"file\" id=\"fileInput\" accept=\"audio\/*\" multiple><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-list\" id=\"fileList\"><\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"controls\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"select-wrapper\"><!-- [et_pb_line_break_holder] --> <select id=\"formatSelect\"><!-- [et_pb_line_break_holder] --><option value=\"wav\">WAV (Lossless)<\/option><!-- [et_pb_line_break_holder] --><option value=\"mp3\" selected>MP3 (Compressed)<\/option><!-- [et_pb_line_break_holder] --> <!--option value=\"flac\">FLAC (Lossless)<\/option--><!-- [et_pb_line_break_holder] --> <\/select><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"select-wrapper\" id=\"bitDepthWrapper\" style=\"display:none;\"><!-- [et_pb_line_break_holder] --> <select id=\"bitDepthSelect\"><!-- [et_pb_line_break_holder] --><option value=\"24\">24-bit (Studio)<\/option><!-- [et_pb_line_break_holder] --><option value=\"16\" selected>16-bit + TPDF Dither<\/option><!-- [et_pb_line_break_holder] --> <\/select><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"select-wrapper quality-wrapper\"><!-- [et_pb_line_break_holder] --> <select id=\"qualitySelect\" class=\"quality-select\"><!-- [et_pb_line_break_holder] --><option value=\"128\">128 kbps (Good)<\/option><!-- [et_pb_line_break_holder] --><option value=\"192\" selected>192 kbps (High)<\/option><!-- [et_pb_line_break_holder] --><option value=\"256\">256 kbps (Very High)<\/option><!-- [et_pb_line_break_holder] --><option value=\"320\">320 kbps (Maximum)<\/option><!-- [et_pb_line_break_holder] --> <\/select><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <button class=\"btn btn-primary\" id=\"convertBtn\" disabled><!-- [et_pb_line_break_holder] --> <span>\ud83d\udd04<\/span><!-- [et_pb_line_break_holder] --> <span>Start Conversion<\/span><!-- [et_pb_line_break_holder] --> <\/button><!-- [et_pb_line_break_holder] --> <button class=\"btn btn-secondary\" id=\"clearBtn\" style=\"display: none;\">Clear All<\/button><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"progress-container\" id=\"progressContainer\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"progress-header\"><!-- [et_pb_line_break_holder] --> <span class=\"progress-text\">Converting files…<\/span><!-- [et_pb_line_break_holder] --> <span class=\"progress-percentage\" id=\"progressPercentage\">0%<\/span><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"progress-bar-container\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"progress-bar\" id=\"progressBar\"><\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"success-message\" id=\"successMessage\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"success-icon\">\u2713<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"success-text\">Conversion Complete!<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"success-subtext\">Your files are ready to download<\/div>\n<p><!-- [et_pb_line_break_holder] --> <button class=\"btn btn-primary\" id=\"downloadAllBtn\">Download All Files<\/button><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"info-box\"><!-- [et_pb_line_break_holder] --> <strong>Privacy & Quality Guaranteed:<\/strong><!-- [et_pb_line_break_holder] --> <\/p>\n<ul><!-- [et_pb_line_break_holder] --> <\/p>\n<li>All processing happens 100% locally in your browser \u2014 your audio files never leave your device<\/li>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<li>WAV 24-bit: lossless direct passthrough from the internal 32-bit float pipeline (~144dB dynamic range)<\/li>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<li>WAV 16-bit: TPDF dithering + 1st-order high-frequency noise shaping \u2014 professional delivery standard (CD, streaming masters)<\/li>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<li>MP3: TPDF dithering applied before Int16 quantization; encoded via LAME (same engine as Audacity, FFmpeg)<\/li>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<li>Input bit depth is detected directly from WAV\/FLAC container headers, not estimated<\/li>\n<p><!-- [et_pb_line_break_holder] --> <\/ul>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <!-- JSZip for creating ZIP archives --><!-- [et_pb_line_break_holder] --> <script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/jszip\/3.10.1\/jszip.min.js\"><\/script><!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> <!-- LameJS for professional MP3 encoding --><!-- [et_pb_line_break_holder] --> <script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/lamejs\/1.2.0\/lame.min.js\"><\/script><!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> <!-- libflac.js for professional FLAC encoding <!-- [et_pb_line_break_holder] --> <script src=\"https:\/\/smartdsp.pro\/libflacjs\/libflac.min.wasm.js\" data-no-optimize=\"1\"><\/script>–><!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> <script><!-- [et_pb_line_break_holder] --> const dropZone = document.getElementById('dropZone');<!-- [et_pb_line_break_holder] --> const fileInput = document.getElementById('fileInput');<!-- [et_pb_line_break_holder] --> const fileList = document.getElementById('fileList');<!-- [et_pb_line_break_holder] --> const formatSelect = document.getElementById('formatSelect');<!-- [et_pb_line_break_holder] --> const qualitySelect = document.getElementById('qualitySelect');<!-- [et_pb_line_break_holder] --> const bitDepthWrapper = document.getElementById('bitDepthWrapper');<!-- [et_pb_line_break_holder] --> const bitDepthSelect = document.getElementById('bitDepthSelect');<!-- [et_pb_line_break_holder] --> const convertBtn = document.getElementById('convertBtn');<!-- [et_pb_line_break_holder] --> const clearBtn = document.getElementById('clearBtn');<!-- [et_pb_line_break_holder] --> const progressContainer = document.getElementById('progressContainer');<!-- [et_pb_line_break_holder] --> const progressBar = document.getElementById('progressBar');<!-- [et_pb_line_break_holder] --> const progressPercentage = document.getElementById('progressPercentage');<!-- [et_pb_line_break_holder] --> const successMessage = document.getElementById('successMessage');<!-- [et_pb_line_break_holder] --> const downloadAllBtn = document.getElementById('downloadAllBtn');<!-- [et_pb_line_break_holder] --> const warningBox = document.getElementById('warningBox');<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> let selectedFiles = [];<!-- [et_pb_line_break_holder] --> let convertedFiles = [];<!-- [et_pb_line_break_holder] --> let fileMetadata = new Map(); \/\/ Store audio metadata for each file<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Show\/hide quality selector based on format<!-- [et_pb_line_break_holder] --> formatSelect.addEventListener('change', () => {<!-- [et_pb_line_break_holder] --> const format = formatSelect.value;<!-- [et_pb_line_break_holder] --> \/\/ Quality selector only relevant for MP3<!-- [et_pb_line_break_holder] --> if (format === 'mp3') {<!-- [et_pb_line_break_holder] --> qualitySelect.parentElement.style.display = 'block';<!-- [et_pb_line_break_holder] --> bitDepthWrapper.style.display = 'none';<!-- [et_pb_line_break_holder] --> } else {<!-- [et_pb_line_break_holder] --> qualitySelect.parentElement.style.display = 'none';<!-- [et_pb_line_break_holder] --> bitDepthWrapper.style.display = 'block';<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Drag and drop handlers<!-- [et_pb_line_break_holder] --> dropZone.addEventListener('click', () => fileInput.click());<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> dropZone.addEventListener('dragover', (e) => {<!-- [et_pb_line_break_holder] --> e.preventDefault();<!-- [et_pb_line_break_holder] --> dropZone.classList.add('drag-over');<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> dropZone.addEventListener('dragleave', () => {<!-- [et_pb_line_break_holder] --> dropZone.classList.remove('drag-over');<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> dropZone.addEventListener('drop', (e) => {<!-- [et_pb_line_break_holder] --> e.preventDefault();<!-- [et_pb_line_break_holder] --> dropZone.classList.remove('drag-over');<!-- [et_pb_line_break_holder] --> const files = Array.from(e.dataTransfer.files).filter(f => f.type.startsWith('audio\/'));<!-- [et_pb_line_break_holder] --> handleFiles(files);<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> fileInput.addEventListener('change', (e) => {<!-- [et_pb_line_break_holder] --> const files = Array.from(e.target.files);<!-- [et_pb_line_break_holder] --> handleFiles(files);<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> async function handleFiles(files) {<!-- [et_pb_line_break_holder] --> selectedFiles = [...selectedFiles, ...files];<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Check for large files<!-- [et_pb_line_break_holder] --> const hasLargeFiles = files.some(f => f.size > 500 * 1024 * 1024);<!-- [et_pb_line_break_holder] --> if (hasLargeFiles) {<!-- [et_pb_line_break_holder] --> warningBox.classList.add('active');<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Extract metadata for each file<!-- [et_pb_line_break_holder] --> for (const file of files) {<!-- [et_pb_line_break_holder] --> try {<!-- [et_pb_line_break_holder] --> const metadata = await extractAudioMetadata(file);<!-- [et_pb_line_break_holder] --> fileMetadata.set(file.name, metadata);<!-- [et_pb_line_break_holder] --> } catch (error) {<!-- [et_pb_line_break_holder] --> console.warn('Could not extract metadata for', file.name);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> renderFileList();<!-- [et_pb_line_break_holder] --> convertBtn.disabled = false;<!-- [et_pb_line_break_holder] --> clearBtn.style.display = 'inline-flex';<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> async function extractAudioMetadata(file) {<!-- [et_pb_line_break_holder] --> try {<!-- [et_pb_line_break_holder] --> const audioContext = new (window.AudioContext || window.webkitAudioContext)();<!-- [et_pb_line_break_holder] --> const arrayBuffer = await file.arrayBuffer();<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Detect real bit depth from container header before decoding<!-- [et_pb_line_break_holder] --> let detectedBitDepth = 16; \/\/ safe default for lossy formats<!-- [et_pb_line_break_holder] --> const ext = file.name.split('.').pop().toLowerCase();<!-- [et_pb_line_break_holder] --> if (ext === 'wav' || ext === 'wave') {<!-- [et_pb_line_break_holder] --> detectedBitDepth = getWavBitDepth(arrayBuffer) || 16;<!-- [et_pb_line_break_holder] --> } else if (ext === 'flac') {<!-- [et_pb_line_break_holder] --> detectedBitDepth = getFlacBitDepth(arrayBuffer) || 16;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> \/\/ MP3\/AAC\/OGG are lossy \u2014 16-bit is the correct representation<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> const audioBuffer = await audioContext.decodeAudioData(arrayBuffer.slice(0));<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> return {<!-- [et_pb_line_break_holder] --> sampleRate: audioBuffer.sampleRate,<!-- [et_pb_line_break_holder] --> channels: audioBuffer.numberOfChannels,<!-- [et_pb_line_break_holder] --> duration: audioBuffer.duration,<!-- [et_pb_line_break_holder] --> bitDepth: detectedBitDepth<!-- [et_pb_line_break_holder] --> };<!-- [et_pb_line_break_holder] --> } catch (error) {<!-- [et_pb_line_break_holder] --> return null;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Read bitsPerSample from WAV\/RIFF header by walking fmt chunk<!-- [et_pb_line_break_holder] --> function getWavBitDepth(arrayBuffer) {<!-- [et_pb_line_break_holder] --> try {<!-- [et_pb_line_break_holder] --> const view = new DataView(arrayBuffer);<!-- [et_pb_line_break_holder] --> const riff = String.fromCharCode(view.getUint8(0), view.getUint8(1), view.getUint8(2), view.getUint8(3));<!-- [et_pb_line_break_holder] --> const wave = String.fromCharCode(view.getUint8(8), view.getUint8(9), view.getUint8(10), view.getUint8(11));<!-- [et_pb_line_break_holder] --> if (riff !== 'RIFF' || wave !== 'WAVE') return null;<!-- [et_pb_line_break_holder] --> let offset = 12;<!-- [et_pb_line_break_holder] --> while (offset + 8 <= arrayBuffer.byteLength) {<!-- [et_pb_line_break_holder] --> const chunkId = String.fromCharCode(view.getUint8(offset), view.getUint8(offset+1), view.getUint8(offset+2), view.getUint8(offset+3));<!-- [et_pb_line_break_holder] --> const chunkSize = view.getUint32(offset + 4, true);<!-- [et_pb_line_break_holder] --> if (chunkId === 'fmt ' && chunkSize >= 16) {<!-- [et_pb_line_break_holder] --> return view.getUint16(offset + 22, true); \/\/ bitsPerSample field<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> offset += 8 + chunkSize + (chunkSize % 2); \/\/ word-align<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> return null;<!-- [et_pb_line_break_holder] --> } catch(e) { return null; }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Read bit depth from FLAC STREAMINFO metadata block<!-- [et_pb_line_break_holder] --> function getFlacBitDepth(arrayBuffer) {<!-- [et_pb_line_break_holder] --> try {<!-- [et_pb_line_break_holder] --> const view = new DataView(arrayBuffer);<!-- [et_pb_line_break_holder] --> \/\/ fLaC magic number<!-- [et_pb_line_break_holder] --> if (view.getUint32(0, false) !== 0x664C6143) return null;<!-- [et_pb_line_break_holder] --> const blockType = view.getUint8(4) & 0x7F;<!-- [et_pb_line_break_holder] --> if (blockType !== 0) return null; \/\/ must be STREAMINFO<!-- [et_pb_line_break_holder] --> \/\/ STREAMINFO data starts at byte 8 (4 magic + 4 block header)<!-- [et_pb_line_break_holder] --> \/\/ Layout: minBlockSize(16) maxBlockSize(16) minFrameSize(24) maxFrameSize(24)<!-- [et_pb_line_break_holder] --> \/\/ sampleRate(20) channels-1(3) bitsPerSample-1(5) totalSamples(36) md5(128)<!-- [et_pb_line_break_holder] --> \/\/ bitsPerSample-1 occupies bits 23-27 from the sampleRate group<!-- [et_pb_line_break_holder] --> \/\/ base+8 covers first 64 bits: minBS+maxBS+minFS+maxFS = 80 bits, then sr\/ch\/bps<!-- [et_pb_line_break_holder] --> \/\/ Bytes at base+10, base+11, base+12 contain: sampleRate[19:4] | sr[3:0]ch[2:0] | bps[4:0]sr_cont<!-- [et_pb_line_break_holder] --> const base = 8;<!-- [et_pb_line_break_holder] --> const byte3 = view.getUint8(base + 10 + 3); \/\/ careful byte counting<!-- [et_pb_line_break_holder] --> const byte4 = view.getUint8(base + 10 + 4);<!-- [et_pb_line_break_holder] --> \/\/ Actually: offsets relative to STREAMINFO data start (base=8):<!-- [et_pb_line_break_holder] --> \/\/ bytes 0-1: minBlockSize, 2-3: maxBlockSize, 4-6: minFrameSize, 7-9: maxFrameSize<!-- [et_pb_line_break_holder] --> \/\/ bytes 10-13: sampleRate(20b)+channels(3b)+bitsPerSample(5b)+totalSamples upper 4b<!-- [et_pb_line_break_holder] --> const b10 = view.getUint8(base + 10);<!-- [et_pb_line_break_holder] --> const b11 = view.getUint8(base + 11);<!-- [et_pb_line_break_holder] --> const b12 = view.getUint8(base + 12);<!-- [et_pb_line_break_holder] --> \/\/ b10: sr[19:12], b11: sr[11:4], b12: sr[3:0]+ch[2:0]+bps[4]<!-- [et_pb_line_break_holder] --> \/\/ b13: bps[3:0]+totalSamples[35:32]<!-- [et_pb_line_break_holder] --> const b13 = view.getUint8(base + 13);<!-- [et_pb_line_break_holder] --> const bps = (((b12 & 0x01) << 4) | ((b13 & 0xF0) >> 4)) + 1;<!-- [et_pb_line_break_holder] --> return (bps >= 8 && bps <= 32) ? bps : null;<!-- [et_pb_line_break_holder] --> } catch(e) { return null; }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> function formatFileSize(bytes) {<!-- [et_pb_line_break_holder] --> if (bytes === 0) return '0 Bytes';<!-- [et_pb_line_break_holder] --> const k = 1024;<!-- [et_pb_line_break_holder] --> const sizes = ['Bytes', 'KB', 'MB', 'GB'];<!-- [et_pb_line_break_holder] --> const i = Math.floor(Math.log(bytes) \/ Math.log(k));<!-- [et_pb_line_break_holder] --> return Math.round(bytes \/ Math.pow(k, i) * 100) \/ 100 + ' ' + sizes[i];<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> function formatMetadata(metadata) {<!-- [et_pb_line_break_holder] --> if (!metadata) return '';<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> const channelText = metadata.channels === 1 ? 'Mono' : metadata.channels === 2 ? 'Stereo' : `${metadata.channels}ch`;<!-- [et_pb_line_break_holder] --> const sampleRateKHz = (metadata.sampleRate \/ 1000).toFixed(1);<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> return `${sampleRateKHz}kHz \u2022 ${metadata.bitDepth}-bit \u2022 ${channelText}`;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> function renderFileList() {<!-- [et_pb_line_break_holder] --> if (selectedFiles.length === 0) {<!-- [et_pb_line_break_holder] --> fileList.classList.remove('active');<!-- [et_pb_line_break_holder] --> return;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> fileList.classList.add('active');<!-- [et_pb_line_break_holder] --> fileList.innerHTML = selectedFiles.map((file, index) => {<!-- [et_pb_line_break_holder] --> const metadata = fileMetadata.get(file.name);<!-- [et_pb_line_break_holder] --> const metaHTML = metadata ? `<\/p>\n<div class=\"file-meta\">${formatMetadata(metadata)}<\/div>\n<p>` : '';<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> return `<!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-item\" data-index=\"${index}\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-info\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-icon\">\ud83c\udfb5<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-details\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-name\">${file.name}<\/div>\n<p><!-- [et_pb_line_break_holder] --> ${metaHTML}<!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-size\">${formatFileSize(file.size)}<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-status status-pending\"><!-- [et_pb_line_break_holder] --> <span>Pending<\/span><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"file-progress\"><\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> `;<!-- [et_pb_line_break_holder] --> }).join('');<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> clearBtn.addEventListener('click', () => {<!-- [et_pb_line_break_holder] --> selectedFiles = [];<!-- [et_pb_line_break_holder] --> convertedFiles = [];<!-- [et_pb_line_break_holder] --> fileMetadata.clear();<!-- [et_pb_line_break_holder] --> renderFileList();<!-- [et_pb_line_break_holder] --> convertBtn.disabled = true;<!-- [et_pb_line_break_holder] --> clearBtn.style.display = 'none';<!-- [et_pb_line_break_holder] --> successMessage.classList.remove('active');<!-- [et_pb_line_break_holder] --> progressContainer.classList.remove('active');<!-- [et_pb_line_break_holder] --> warningBox.classList.remove('active');<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> convertBtn.addEventListener('click', async () => {<!-- [et_pb_line_break_holder] --> const targetFormat = formatSelect.value;<!-- [et_pb_line_break_holder] --> const quality = parseInt(qualitySelect.value);<!-- [et_pb_line_break_holder] --> const targetBitDepth = parseInt(bitDepthSelect.value); \/\/ 16 or 24<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> convertBtn.disabled = true;<!-- [et_pb_line_break_holder] --> progressContainer.classList.add('active');<!-- [et_pb_line_break_holder] --> successMessage.classList.remove('active');<!-- [et_pb_line_break_holder] --> convertedFiles = [];<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Set all files to converting state<!-- [et_pb_line_break_holder] --> selectedFiles.forEach((file, index) => {<!-- [et_pb_line_break_holder] --> const fileItem = document.querySelector(`[data-index=\"${index}\"] .file-status`);<!-- [et_pb_line_break_holder] --> fileItem.className = 'file-status status-converting';<!-- [et_pb_line_break_holder] --> fileItem.innerHTML = '<\/p>\n<div class=\"spinner\"><\/div>\n<p><span>Converting...<\/span>';<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> let completedCount = 0;<!-- [et_pb_line_break_holder] --> const totalFiles = selectedFiles.length;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Process all files in parallel<!-- [et_pb_line_break_holder] --> const conversionPromises = selectedFiles.map(async (file, index) => {<!-- [et_pb_line_break_holder] --> const fileItem = document.querySelector(`[data-index=\"${index}\"] .file-status`);<!-- [et_pb_line_break_holder] --> const fileProgressBar = document.querySelector(`[data-index=\"${index}\"] .file-progress`);<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> try {<!-- [et_pb_line_break_holder] --> \/\/ Simulate progress for visual feedback<!-- [et_pb_line_break_holder] --> fileProgressBar.style.width = '10%';<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> const convertedBlob = await convertAudioFile(file, targetFormat, quality, targetBitDepth);<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> fileProgressBar.style.width = '100%';<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> const originalName = file.name.replace(\/\\.[^\/.]+$\/, '');<!-- [et_pb_line_break_holder] --> const newFileName = `${originalName}_converted.${targetFormat}`;<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> fileItem.className = 'file-status status-success';<!-- [et_pb_line_break_holder] --> fileItem.innerHTML = '<span>\u2713 Complete<\/span>';<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> completedCount++;<!-- [et_pb_line_break_holder] --> updateOverallProgress(completedCount, totalFiles);<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> return {<!-- [et_pb_line_break_holder] --> blob: convertedBlob,<!-- [et_pb_line_break_holder] --> name: newFileName,<!-- [et_pb_line_break_holder] --> success: true<!-- [et_pb_line_break_holder] --> };<!-- [et_pb_line_break_holder] --> } catch (error) {<!-- [et_pb_line_break_holder] --> console.error('Conversion error:', error);<!-- [et_pb_line_break_holder] --> fileProgressBar.style.width = '100%';<!-- [et_pb_line_break_holder] --> fileProgressBar.style.background = '#ef4444';<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Determine error message<!-- [et_pb_line_break_holder] --> let errorMsg = 'Failed';<!-- [et_pb_line_break_holder] --> if (error.message.includes('memory')) {<!-- [et_pb_line_break_holder] --> errorMsg = 'Out of memory';<!-- [et_pb_line_break_holder] --> } else if (error.message.includes('decode')) {<!-- [et_pb_line_break_holder] --> errorMsg = 'Invalid file';<!-- [et_pb_line_break_holder] --> } else if (error.message.includes('format')) {<!-- [et_pb_line_break_holder] --> errorMsg = 'Unsupported format';<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> fileItem.className = 'file-status status-error';<!-- [et_pb_line_break_holder] --> fileItem.innerHTML = `<span>\u2717 ${errorMsg}<\/span>`;<!-- [et_pb_line_break_holder] --> fileItem.title = error.message;<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> completedCount++;<!-- [et_pb_line_break_holder] --> updateOverallProgress(completedCount, totalFiles);<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> return { success: false };<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Wait for all conversions to complete<!-- [et_pb_line_break_holder] --> const results = await Promise.all(conversionPromises);<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Collect successful conversions<!-- [et_pb_line_break_holder] --> convertedFiles = results.filter(r => r.success);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> setTimeout(() => {<!-- [et_pb_line_break_holder] --> progressContainer.classList.remove('active');<!-- [et_pb_line_break_holder] --> if (convertedFiles.length > 0) {<!-- [et_pb_line_break_holder] --> successMessage.classList.add('active');<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> convertBtn.disabled = false;<!-- [et_pb_line_break_holder] --> }, 500);<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> function updateOverallProgress(completed, total) {<!-- [et_pb_line_break_holder] --> const percentage = Math.round((completed \/ total) * 100);<!-- [et_pb_line_break_holder] --> progressBar.style.width = percentage + '%';<!-- [et_pb_line_break_holder] --> progressPercentage.textContent = percentage + '%';<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> async function convertAudioFile(file, targetFormat, quality, targetBitDepth) {<!-- [et_pb_line_break_holder] --> const audioContext = new (window.AudioContext || window.webkitAudioContext)();<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Read file as array buffer<!-- [et_pb_line_break_holder] --> const arrayBuffer = await file.arrayBuffer();<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Decode audio data<!-- [et_pb_line_break_holder] --> let audioBuffer;<!-- [et_pb_line_break_holder] --> try {<!-- [et_pb_line_break_holder] --> audioBuffer = await audioContext.decodeAudioData(arrayBuffer);<!-- [et_pb_line_break_holder] --> } catch (error) {<!-- [et_pb_line_break_holder] --> throw new Error('Could not decode audio file. File may be corrupted or in an unsupported format.');<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Convert based on format<!-- [et_pb_line_break_holder] --> try {<!-- [et_pb_line_break_holder] --> switch (targetFormat) {<!-- [et_pb_line_break_holder] --> case 'wav':<!-- [et_pb_line_break_holder] --> return audioBufferToWav(audioBuffer, targetBitDepth || 24);<!-- [et_pb_line_break_holder] --> case 'mp3':<!-- [et_pb_line_break_holder] --> return await audioBufferToMp3(audioBuffer, quality);<!-- [et_pb_line_break_holder] --> case 'flac':<!-- [et_pb_line_break_holder] --> return await audioBufferToFlac(audioBuffer);<!-- [et_pb_line_break_holder] --> default:<!-- [et_pb_line_break_holder] --> throw new Error('Unsupported output format');<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> } catch (error) {<!-- [et_pb_line_break_holder] --> if (error.message.includes('memory')) {<!-- [et_pb_line_break_holder] --> throw error;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> throw new Error(`Conversion failed: ${error.message}`);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ WAV Encoder \u2014 supports 16-bit (TPDF dither + noise shaping) and 24-bit (lossless passthrough)<!-- [et_pb_line_break_holder] --> function audioBufferToWav(audioBuffer, bitDepth) {<!-- [et_pb_line_break_holder] --> bitDepth = bitDepth === 24 ? 24 : 16;<!-- [et_pb_line_break_holder] --> const numberOfChannels = audioBuffer.numberOfChannels;<!-- [et_pb_line_break_holder] --> const sampleRate = audioBuffer.sampleRate;<!-- [et_pb_line_break_holder] --> const numSamples = audioBuffer.length;<!-- [et_pb_line_break_holder] --> const bytesPerSample = bitDepth \/ 8;<!-- [et_pb_line_break_holder] --> const dataLength = numSamples * numberOfChannels * bytesPerSample;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> const buffer = new ArrayBuffer(44 + dataLength);<!-- [et_pb_line_break_holder] --> const view = new DataView(buffer);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ WAV header<!-- [et_pb_line_break_holder] --> writeString(view, 0, 'RIFF');<!-- [et_pb_line_break_holder] --> view.setUint32(4, 36 + dataLength, true);<!-- [et_pb_line_break_holder] --> writeString(view, 8, 'WAVE');<!-- [et_pb_line_break_holder] --> writeString(view, 12, 'fmt ');<!-- [et_pb_line_break_holder] --> view.setUint32(16, 16, true);<!-- [et_pb_line_break_holder] --> view.setUint16(20, 1, true); \/\/ PCM<!-- [et_pb_line_break_holder] --> view.setUint16(22, numberOfChannels, true);<!-- [et_pb_line_break_holder] --> view.setUint32(24, sampleRate, true);<!-- [et_pb_line_break_holder] --> view.setUint32(28, sampleRate * numberOfChannels * bytesPerSample, true);<!-- [et_pb_line_break_holder] --> view.setUint16(32, numberOfChannels * bytesPerSample, true);<!-- [et_pb_line_break_holder] --> view.setUint16(34, bitDepth, true);<!-- [et_pb_line_break_holder] --> writeString(view, 36, 'data');<!-- [et_pb_line_break_holder] --> view.setUint32(40, dataLength, true);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> const channels = [];<!-- [et_pb_line_break_holder] --> for (let i = 0; i < numberOfChannels; i++) {<!-- [et_pb_line_break_holder] --> channels.push(audioBuffer.getChannelData(i));<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> let offset = 44;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> if (bitDepth === 24) {<!-- [et_pb_line_break_holder] --> \/\/ 24-bit: direct conversion from float32, no dithering needed<!-- [et_pb_line_break_holder] --> \/\/ Full 144dB+ dynamic range, lossless for all practical audio sources<!-- [et_pb_line_break_holder] --> for (let i = 0; i < numSamples; i++) {<!-- [et_pb_line_break_holder] --> for (let ch = 0; ch < numberOfChannels; ch++) {<!-- [et_pb_line_break_holder] --> let s = Math.max(-1.0, Math.min(0.9999999404, channels[ch][i]));<!-- [et_pb_line_break_holder] --> \/\/ Scale to 24-bit signed integer range<!-- [et_pb_line_break_holder] --> const intSample = Math.round(s * 8388607); \/\/ 2^23 - 1<!-- [et_pb_line_break_holder] --> \/\/ Write as 3 bytes, little-endian, two's complement<!-- [et_pb_line_break_holder] --> \/\/ Use unsigned 24-bit representation (handles negatives correctly via bitwise AND)<!-- [et_pb_line_break_holder] --> const uSample = intSample < 0 ? (intSample + 0x1000000) : intSample;<!-- [et_pb_line_break_holder] --> view.setUint8(offset, uSample & 0xFF);<!-- [et_pb_line_break_holder] --> view.setUint8(offset + 1, (uSample >> 8) & 0xFF);<!-- [et_pb_line_break_holder] --> view.setUint8(offset + 2, (uSample >> 16) & 0xFF);<!-- [et_pb_line_break_holder] --> offset += 3;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> } else {<!-- [et_pb_line_break_holder] --> \/\/ 16-bit: TPDF dithering + simple high-frequency noise shaping<!-- [et_pb_line_break_holder] --> \/\/ TPDF (Triangular Probability Density Function): two uniform random values<!-- [et_pb_line_break_holder] --> \/\/ subtracted gives a triangular PDF centered at 0, range [-1, +1] LSB.<!-- [et_pb_line_break_holder] --> \/\/ This eliminates quantization distortion at the cost of a white noise floor at -96dBFS.<!-- [et_pb_line_break_holder] --> \/\/ Noise shaping: error feedback with a 1st-order high-shelf filter pushes<!-- [et_pb_line_break_holder] --> \/\/ residual quantization noise above ~10kHz where it is less audible.<!-- [et_pb_line_break_holder] --> \/\/ This is F-weighted lite \u2014 sufficient for professional delivery without<!-- [et_pb_line_break_holder] --> \/\/ the complexity of MBIT+ multi-tap FIR shaping.<!-- [et_pb_line_break_holder] --> const ditherErrors = new Float64Array(numberOfChannels).fill(0);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> for (let i = 0; i < numSamples; i++) {<!-- [et_pb_line_break_holder] --> for (let ch = 0; ch < numberOfChannels; ch++) {<!-- [et_pb_line_break_holder] --> const floatSample = channels[ch][i];<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ TPDF dither: sum of two uniform random variables in [-0.5, 0.5]<!-- [et_pb_line_break_holder] --> \/\/ Result has triangular distribution in [-1, +1] LSBs (at 16-bit scale)<!-- [et_pb_line_break_holder] --> const r1 = Math.random() - 0.5;<!-- [et_pb_line_break_holder] --> const r2 = Math.random() - 0.5;<!-- [et_pb_line_break_holder] --> const tpdf = (r1 + r2) \/ 32768.0; \/\/ scale to float domain (1 LSB peak)<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ 1st-order noise shaping: feed back previous quantization error<!-- [et_pb_line_break_holder] --> \/\/ Shaping coefficient 0.5 tilts residual noise toward high frequencies<!-- [et_pb_line_break_holder] --> const shaped = floatSample + tpdf - ditherErrors[ch] * 0.5;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Clamp and quantize to 16-bit<!-- [et_pb_line_break_holder] --> const clamped = Math.max(-1.0, Math.min(1.0 - 1.0\/32768.0, shaped));<!-- [et_pb_line_break_holder] --> const intSample = Math.round(clamped * 32767);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ Compute and store quantization error for next sample's noise shaping<!-- [et_pb_line_break_holder] --> ditherErrors[ch] = (intSample \/ 32767.0) - clamped;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> view.setInt16(offset, intSample, true);<!-- [et_pb_line_break_holder] --> offset += 2;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> return new Blob([buffer], { type: 'audio\/wav' });<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> function writeString(view, offset, string) {<!-- [et_pb_line_break_holder] --> for (let i = 0; i < string.length; i++) {<!-- [et_pb_line_break_holder] --> view.setUint8(offset + i, string.charCodeAt(i));<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ MP3 Encoder using LameJS \u2014 Professional quality<!-- [et_pb_line_break_holder] --> \/\/ TPDF dithering is applied before float\u2192Int16 truncation.<!-- [et_pb_line_break_holder] --> \/\/ While the MP3 codec's own quantization dwarfs this noise floor,<!-- [et_pb_line_break_holder] --> \/\/ dithering ensures the input to the encoder is mathematically correct.<!-- [et_pb_line_break_holder] --> async function audioBufferToMp3(audioBuffer, bitrate) {<!-- [et_pb_line_break_holder] --> const numberOfChannels = audioBuffer.numberOfChannels;<!-- [et_pb_line_break_holder] --> const sampleRate = audioBuffer.sampleRate;<!-- [et_pb_line_break_holder] --> const samples = audioBuffer.length;<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Initialize LAME encoder<!-- [et_pb_line_break_holder] --> const mp3encoder = new lamejs.Mp3Encoder(numberOfChannels, sampleRate, bitrate);<!-- [et_pb_line_break_holder] --> const mp3Data = [];<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> const leftChannel = audioBuffer.getChannelData(0);<!-- [et_pb_line_break_holder] --> const rightChannel = numberOfChannels > 1 ? audioBuffer.getChannelData(1) : leftChannel;<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> const left = new Int16Array(samples);<!-- [et_pb_line_break_holder] --> const right = new Int16Array(samples);<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ TPDF dither before quantizing to 16-bit for the encoder input<!-- [et_pb_line_break_holder] --> for (let i = 0; i < samples; i++) {<!-- [et_pb_line_break_holder] --> const r1L = Math.random() - 0.5, r2L = Math.random() - 0.5;<!-- [et_pb_line_break_holder] --> const r1R = Math.random() - 0.5, r2R = Math.random() - 0.5;<!-- [et_pb_line_break_holder] --> const dL = (r1L + r2L) \/ 32768.0;<!-- [et_pb_line_break_holder] --> const dR = (r1R + r2R) \/ 32768.0;<!-- [et_pb_line_break_holder] --> left[i] = Math.round(Math.max(-1.0, Math.min(1.0 - 1.0\/32768.0, leftChannel[i] + dL)) * 32767);<!-- [et_pb_line_break_holder] --> right[i] = Math.round(Math.max(-1.0, Math.min(1.0 - 1.0\/32768.0, rightChannel[i] + dR)) * 32767);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Encode in chunks \u2014 standard MP3 frame size<!-- [et_pb_line_break_holder] --> const chunkSize = 1152;<!-- [et_pb_line_break_holder] --> for (let i = 0; i < samples; i += chunkSize) {<!-- [et_pb_line_break_holder] --> const leftChunk = left.subarray(i, i + chunkSize);<!-- [et_pb_line_break_holder] --> const rightChunk = right.subarray(i, i + chunkSize);<!-- [et_pb_line_break_holder] --> const mp3buf = mp3encoder.encodeBuffer(leftChunk, rightChunk);<!-- [et_pb_line_break_holder] --> if (mp3buf.length > 0) {<!-- [et_pb_line_break_holder] --> mp3Data.push(mp3buf);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ Flush remaining data<!-- [et_pb_line_break_holder] --> const mp3buf = mp3encoder.flush();<!-- [et_pb_line_break_holder] --> if (mp3buf.length > 0) {<!-- [et_pb_line_break_holder] --> mp3Data.push(mp3buf);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> return new Blob(mp3Data, { type: 'audio\/mp3' });<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ FLAC Encoder using libflac.js - Lossless compression -Removed for now<!-- [et_pb_line_break_holder] --> \/* <!-- [et_pb_line_break_holder] --> async function audioBufferToFlac(audioBuffer) {<!-- [et_pb_line_break_holder] --> return new Promise((resolve, reject) => {<!-- [et_pb_line_break_holder] --> if (typeof Flac === 'undefined') return reject(new Error('FLAC library missing'));<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> const encode = () => {<!-- [et_pb_line_break_holder] --> try {<!-- [et_pb_line_break_holder] --> const numChannels = audioBuffer.numberOfChannels;<!-- [et_pb_line_break_holder] --> const sampleRate = audioBuffer.sampleRate;<!-- [et_pb_line_break_holder] --> const length = audioBuffer.length;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ 1. Create Encoder - standard constructor<!-- [et_pb_line_break_holder] --> const encoder = Flac.create_libflac_encoder(numChannels, 16, sampleRate, 5, length);<!-- [et_pb_line_break_holder] --> if (encoder === 0) return reject(new Error('Encoder creation failed'));<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ 2. Set Parameters - Using the correct shortened function names<!-- [et_pb_line_break_holder] --> Flac.set_channels(encoder, numChannels);<!-- [et_pb_line_break_holder] --> Flac.set_bits_per_sample(encoder, 16);<!-- [et_pb_line_break_holder] --> Flac.set_sample_rate(encoder, sampleRate);<!-- [et_pb_line_break_holder] --> Flac.set_total_samples_estimate(encoder, length);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> let flacChunks = [];<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ 3. Initialize Stream<!-- [et_pb_line_break_holder] --> const status = Flac.init_encoder_stream(encoder, function(uint8Data) {<!-- [et_pb_line_break_holder] --> flacChunks.push(uint8Data);<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> if (status !== 0) {<!-- [et_pb_line_break_holder] --> Flac.FLAC__stream_encoder_delete(encoder);<!-- [et_pb_line_break_holder] --> return reject(new Error('Init Failed: ' + status));<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ 4. Prepare PCM Data<!-- [et_pb_line_break_holder] --> const pcmData = new Int32Array(length * numChannels);<!-- [et_pb_line_break_holder] --> for (let i = 0; i < length; i++) {<!-- [et_pb_line_break_holder] --> for (let ch = 0; ch < numChannels; ch++) {<!-- [et_pb_line_break_holder] --> let s = audioBuffer.getChannelData(ch)[i];<!-- [et_pb_line_break_holder] --> s = Math.max(-1, Math.min(1, s));<!-- [et_pb_line_break_holder] --> pcmData[i * numChannels + ch] = s < 0 ? s * 0x8000 : s * 0x7FFF;<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> \/\/ 5. Process<!-- [et_pb_line_break_holder] --> const processStatus = Flac.FLAC__stream_encoder_process_interleaved(encoder, pcmData, length);<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> \/\/ 6. Finish & Delete<!-- [et_pb_line_break_holder] --> Flac.FLAC__stream_encoder_finish(encoder);<!-- [et_pb_line_break_holder] --> Flac.FLAC__stream_encoder_delete(encoder);<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> if (!processStatus) return reject(new Error('Encoding failed'));<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> resolve(new Blob(flacChunks, { type: 'audio\/flac' }));<!-- [et_pb_line_break_holder] --> } catch (e) {<!-- [et_pb_line_break_holder] --> reject(e);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> };<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> if (!Flac.isReady()) {<!-- [et_pb_line_break_holder] --> Flac.on('ready', encode);<!-- [et_pb_line_break_holder] --> } else {<!-- [et_pb_line_break_holder] --> encode();<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] -->}*\/<!-- [et_pb_line_break_holder] --> downloadAllBtn.addEventListener('click', async () => {<!-- [et_pb_line_break_holder] --> if (convertedFiles.length === 1) {<!-- [et_pb_line_break_holder] --> \/\/ Single file - direct download<!-- [et_pb_line_break_holder] --> const file = convertedFiles[0];<!-- [et_pb_line_break_holder] --> downloadFile(file.blob, file.name);<!-- [et_pb_line_break_holder] --> } else {<!-- [et_pb_line_break_holder] --> \/\/ Multiple files - create ZIP<!-- [et_pb_line_break_holder] --> const zip = new JSZip();<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> convertedFiles.forEach(file => {<!-- [et_pb_line_break_holder] --> zip.file(file.name, file.blob);<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --> <!-- [et_pb_line_break_holder] --> const zipBlob = await zip.generateAsync({ type: 'blob' });<!-- [et_pb_line_break_holder] --> downloadFile(zipBlob, 'converted_audio_files.zip');<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> function downloadFile(blob, fileName) {<!-- [et_pb_line_break_holder] --> const url = URL.createObjectURL(blob);<!-- [et_pb_line_break_holder] --> const a = document.createElement('a');<!-- [et_pb_line_break_holder] --> a.href = url;<!-- [et_pb_line_break_holder] --> a.download = fileName;<!-- [et_pb_line_break_holder] --> document.body.appendChild(a);<!-- [et_pb_line_break_holder] --> a.click();<!-- [et_pb_line_break_holder] --> document.body.removeChild(a);<!-- [et_pb_line_break_holder] --> URL.revokeObjectURL(url);<!-- [et_pb_line_break_holder] --> }<!-- [et_pb_line_break_holder] --> <\/script><!-- [et_pb_line_break_holder] --><\/body><!-- [et_pb_line_break_holder] --><\/html>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Hero Section” _builder_version=”4.27.5″ background_color=”#000000″ use_background_color_gradient=”on” background_color_gradient_stops=”#000000 0%|rgba(0,0,0,0) 20%|rgba(0,0,0,0) 80%|#000000 100%” background_color_gradient_overlays_image=”on” background_image=”https:\/\/smartdsp.pro\/wp-content\/uploads\/2022\/10\/streamer-79.png” custom_padding=”9px|||||” global_colors_info=”{}”][et_pb_row _builder_version=”4.16″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” module_alignment=”center” custom_width_px=”700px” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.16″ text_font=”||||||||” text_font_size=”18px” text_line_height=”2em” header_font=”Titillium Web||||||||” header_font_size=”66px” header_line_height=”1.5em” header_2_font=”Titillium Web||||||||” header_2_font_size=”66px” header_2_line_height=”1.5em” header_3_font=”Titillium Web||||||||” header_3_font_size=”66px” header_3_line_height=”1.5em” header_4_font=”Titillium Web||||||||” header_4_font_size=”66px” header_4_line_height=”1.5em” header_5_font=”Titillium Web||||||||” header_5_font_size=”66px” header_5_line_height=”1.5em” header_6_font=”Titillium Web||||||||” header_6_font_size=”66px” header_6_line_height=”1.5em” text_orientation=”center” background_layout=”dark” max_width=”700px” module_alignment=”center” header_font_size_tablet=”40px” header_font_size_phone=”” header_font_size_last_edited=”on|phone” global_colors_info=”{}”]<\/p>\n<h1>Frequently Asked<\/h1>\n<p>[\/et_pb_text][et_pb_code _builder_version=”4.27.5″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ custom_padding_last_edited=”on|desktop” _builder_version=”4.27.4″ _module_preset=”default” background_color=”rgba(79,79,79,0.16)” overflow-x=”visible” overflow-y=”visible” custom_padding=”80px|80px|80px|80px|true|true” custom_padding_tablet=”30px|30px|30px|30px|true|true” custom_padding_phone=”20px|20px|20px|20px|true|true” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ box_shadow_horizontal=”-1px” box_shadow_vertical=”-1px” box_shadow_blur=”0px” box_shadow_color=”rgba(255,255,255,0.21)” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.17.4″ _module_preset=”default” custom_padding_tablet=”||||false|false” custom_padding_phone=”||30px||false|false” custom_padding_last_edited=”off|phone” global_colors_info=”{}”][et_pb_blurb title=”How does this online audio converter work?” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<div class=\"faq-item\">\n<div class=\"faq-answer\">This is a browser-based audio converter that processes everything locally on your device using the Web Audio API and professional encoding libraries. When you upload a file, your browser decodes the audio, processes it in memory, and re-encodes it to your chosen format\u2014all without uploading anything to a server. It’s essentially running professional-grade audio software directly in your web browser.<\/div>\n<\/div>\n<div class=\"faq-item\"><\/div>\n<p>[\/et_pb_blurb][et_pb_blurb title=”Is this converter safe to use?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<div class=\"faq-item\">\n<div class=\"faq-answer\">Absolutely. Your audio files never leave your device\u2014there are no uploads, no servers, and no cloud processing. Everything happens 100% locally in your browser. Your files remain completely private and secure on your computer. We don’t collect, store, or have any access to your audio files whatsoever.<\/div>\n<\/div>\n<div class=\"faq-item\"><\/div>\n<p>[\/et_pb_blurb][et_pb_blurb title=”Do I need to install any software to use this converter?” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<div class=\"faq-item\">\n<div class=\"faq-answer\"><span>No installation required (and no account neither!)<br \/>This is a completely free and web-based audio converter that runs directly in your browser. <\/span><\/div>\n<div class=\"faq-answer\"><span><\/span><\/div>\n<div class=\"faq-answer\"><span><\/span><\/div>\n<div class=\"faq-answer\"><span>It works on any modern browser (Chrome, Firefox, Safari, Edge) on Windows, Mac, Linux, and even mobile devices. Just open the page and start converting\u2014no downloads, no plugins, no registration needed.<\/span><\/div>\n<\/div>\n<div class=\"faq-item\"><\/div>\n<p>[\/et_pb_blurb][et_pb_blurb title=”Why would I need to convert audio files to different formats?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<p><span>Common reasons to convert audio formats include:<\/span><br \/><span>\u2022\u00a0<\/span><strong>Device compatibility:<\/strong><span>\u00a0Some devices only play specific formats (e.g., older car stereos need MP3)<\/span><br \/><span>\u2022\u00a0<\/span><strong>Reduce file size:<\/strong><span>\u00a0Convert WAV to MP3 to save storage space or enable faster uploads<\/span><br \/><span>\u2022\u00a0<\/span><strong>Quality preservation:<\/strong><span>\u00a0Convert lossy formats to WAV before editing to prevent quality degradation<\/span><br \/><span>\u2022\u00a0<\/span><strong>Streaming optimization:<\/strong><span>\u00a0Convert to OGG for web players or podcasts<\/span><br \/><span>\u2022\u00a0<\/span><strong>Professional workflows:<\/strong><span>\u00a0Studios often require WAV or FLAC for mastering<\/span><br \/><span>\u2022\u00a0<\/span><strong>Platform requirements:<\/strong><span>\u00a0Social media, websites, and apps often have specific format requirements<\/span><\/p>\n<p>[\/et_pb_blurb][et_pb_blurb title=”What’s the difference between lossless and lossy audio formats?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<p><strong>Lossless formats<\/strong><span>\u00a0(WAV, FLAC) preserve 100% of the original audio data\u2014perfect quality with no compression artifacts, but larger file sizes. Think of it like a ZIP file for audio: you can uncompress it back to the exact original.<\/span><\/p>\n<p><strong>Lossy formats<\/strong><span>\u00a0(MP3, OGG, M4A) remove audio information that’s less audible to human ears, creating much smaller files at the cost of some quality loss. At high bitrates (256-320 kbps), this loss is imperceptible to most listeners.<\/span><\/p>\n<p><span>Use lossless for archiving, editing, or audiophile listening. Use lossy for everyday listening, streaming, and saving storage space.<\/span><\/p>\n<p>[\/et_pb_blurb][et_pb_blurb title=”What is bitrate? What’s the difference between 128 kbps, 192 kbps, and 320 kbps?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<p><span>Bitrate measures how much data is used per second of audio. Higher bitrate = better quality but larger file size:<\/span><br \/><span>\u2022\u00a0<\/span><strong>128 kbps:<\/strong><span>\u00a0Good quality, suitable for podcasts and voice. Smaller files (~1MB per minute)<\/span><br \/><span>\u2022\u00a0<\/span><strong>192 kbps:<\/strong><span>\u00a0High quality, excellent for most music. Standard for streaming services (~1.5MB per minute)<\/span><br \/><span>\u2022\u00a0<\/span><strong>256 kbps:<\/strong><span>\u00a0Very high quality, indistinguishable from CD for most listeners (~2MB per minute)<\/span><br \/><span>\u2022\u00a0<\/span><strong>320 kbps:<\/strong><span> Maximum MP3 quality, -arguably- no audible compression artifacts (~2.5MB per minute)<\/span><\/p>\n<p>[\/et_pb_blurb][et_pb_blurb title=”What is an OGG file?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<p><span>OGG (usually with Opus or Vorbis codec) is an open-source, royalty-free audio format that delivers better sound quality than MP3 at the same file size. It’s widely used for streaming, gaming, and web audio because it’s more efficient than MP3. While not as universally compatible as MP3, it’s supported by most modern devices, browsers, and media players including VLC, Chrome, Firefox, and Android devices.<\/span><\/p>\n<p>[\/et_pb_blurb][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.17.4″ _module_preset=”default” custom_padding_tablet=”|||0%|false|false” custom_padding_phone=”|||0%|false|false” custom_padding_last_edited=”off|desktop” global_colors_info=”{}”][et_pb_blurb title=”Is this better than Audacity, Convertio, or other converters?” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<div class=\"faq-item\">\n<div class=\"faq-answer\">For MP3 conversion, we use the same LAME encoder as Audacity, so the output quality is identical. Unlike online services like Convertio, CloudConvert, or Zamzar, your files never get uploaded to external servers\u2014everything processes locally, which is faster, more private, and has no file size limits. Compared to desktop software like Audacity or Handbrake, our converter is instant (no installation needed) and simpler for basic format conversion, though those programs offer more advanced editing features.<\/div>\n<\/div>\n<div class=\"faq-item\"><\/div>\n<p>[\/et_pb_blurb][et_pb_blurb title=”Can I convert multiple audio files at once (Batch conversion)?” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<div class=\"faq-item\">\n<div class=\"faq-answer\">Yes! This converter supports batch conversions. Simply drag and drop multiple files or select multiple files when browsing. All files will be converted to the same output format and quality settings you choose. When done, if you converted multiple files, they’ll automatically be packaged into a convenient ZIP file for easy download.<\/div>\n<\/div>\n<div class=\"faq-item\"><\/div>\n<p>[\/et_pb_blurb][et_pb_blurb title=”How long does audio conversion take?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<p><span>Conversion speed depends on the format:<\/span><br \/><span>\u2022\u00a0<\/span><strong>WAV (lossless):<\/strong><span>\u00a0Nearly instant\u2014typically under 1 second regardless of file length<\/span><br \/><span>\u2022 <\/span><strong>MP3:<\/strong><span>\u00a0Moderate\u2014approximately 3-5 seconds per minute of audio<\/span><br \/><span>A typical 3-minute song converts to MP3 in about 10-15 seconds. Actual speed varies based on your device’s processing power.<\/span><\/p>\n<p>[\/et_pb_blurb][et_pb_blurb title=”What is an audio codec?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<p><span>An audio codec (compressor-decompressor) is the technology that encodes and decodes audio data. It’s the “engine” inside audio formats that determines how sound is compressed and what quality you get. For example:<\/span><br \/><span>\u2022 MP3 format uses the MPEG-1 Audio Layer III codec<\/span><br \/><span>\u2022 M4A format uses the AAC (Advanced Audio Coding) codec<\/span><br \/><span>\u2022 OGG format uses Opus or Vorbis codecs<\/span><br \/><span>The codec determines the sound quality, file size, and compatibility. Different codecs excel at different tasks\u2014some prioritize file size, others prioritize quality, and some balance both.<\/span><\/p>\n<p>[\/et_pb_blurb][et_pb_blurb title=”What is an M4A file?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<p><span>M4A is an audio file compressed using the AAC (Advanced Audio Coding) codec, commonly used by Apple products like iTunes, iPhones, and iPads. It generally provides better sound quality than MP3 at similar file sizes and is the default format for music purchased from the iTunes Store. M4A files play on most modern devices but may have limited support on older hardware compared to MP3.<\/span><\/p>\n<p>[\/et_pb_blurb][et_pb_blurb title=”What is a WEBM file?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<div class=\"faq-item\">\n<div class=\"faq-answer\">WEBM is an open-source media container format developed by Google, designed specifically for web use. For audio, it typically uses the Opus codec, which delivers excellent quality at low bitrates\u2014making it ideal for streaming and web applications. WEBM is natively supported by all modern web browsers (Chrome, Firefox, Edge) and is commonly used for HTML5 audio\/video, though it has limited support on traditional media players and older devices.<\/div>\n<\/div>\n<div class=\"faq-item\"><\/div>\n<p>[\/et_pb_blurb][et_pb_blurb title=”What is a FLAC file?<br \/>\n” use_icon=”on” font_icon=”u||divi||400″ icon_color=”#f3be29″ icon_placement=”left” _builder_version=”4.27.5″ header_font=”–et_global_heading_font|700||on|||||” header_font_size=”14px” header_letter_spacing=”2px” header_line_height=”1.8em” body_font=”–et_global_heading_font||||||||” body_text_color=”#FFFFFF” body_font_size=”16px” body_line_height=”1.8em” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”164deg” background_color_gradient_stops=”rgba(243,190,41,0.17) 0%|rgba(205,59,167,0.17) 100%” background_layout=”dark” custom_margin=”||12%|” custom_padding=”30px|16px|30px|16px” animation_style=”fold” border_radii=”on|20px|20px|20px|20px” box_shadow_style=”preset1″ locked=”off” global_colors_info=”{}”]<\/p>\n<p><span>FLAC (Free Lossless Audio Codec) is a lossless compression format that reduces file size by about 50% compared to WAV while preserving 100% of the original audio quality. It’s the preferred format for audiophiles, music archiving, and high-fidelity audio collections. FLAC files are larger than MP3 but offer perfect, bit-for-bit accurate reproduction of the original recording. Supported by most modern media players, though less common on portable devices than MP3.<\/span><\/p>\n<p>[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.5″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.5″ _module_preset=”default” global_colors_info=”{}”][et_pb_heading title=”We’ve much more for you to explore:” _builder_version=”4.27.5″ _module_preset=”default” title_level=”h2″ title_font=”–et_global_heading_font||||||||” title_text_color=”#FFFFFF” global_colors_info=”{}”][\/et_pb_heading][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_4,1_4,1_4,1_4″ _builder_version=”4.18.0″ custom_margin=”1vw|auto||auto|false|false” animation_style=”flip” locked=”off” global_colors_info=”{}”][et_pb_column type=”1_4″ _builder_version=”4.18.0″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_button button_url=”https:\/\/smartdsp.pro\/mastering-services” button_text=”Mastering” button_alignment=”center” _builder_version=”4.27.5″ _module_preset=”3117bc07-6a8a-4679-b3bb-b6ed74b48a2f” custom_button=”on” button_text_color=”#FFFFFF” button_bg_use_color_gradient=”on” button_bg_color_gradient_direction=”229deg” button_bg_color_gradient_stops=”rgba(189,22,179,0.8) 0%|rgba(253,202,65,0.8) 100%” button_border_width=”0px” button_border_radius=”15px” button_font=”Be Vietnam Pro|600|||||||” button_use_icon=”off” box_shadow_style=”preset1″ box_shadow_blur=”35px” box_shadow_spread=”-11px” box_shadow_color=”rgba(255,255,255,0.28)” global_colors_info=”{}” button_bg_color__hover_enabled=”on|desktop” button_bg_color__hover=”rgba(0,127,31,0.7)” button_bg_enable_color__hover=”on” button_border_width__hover=”0px” button_border_width__hover_enabled=”on|desktop” button_border_radius__hover=”15px” button_border_radius__hover_enabled=”on|desktop” box_shadow_color__hover=”rgba(255,255,255,0.49)” box_shadow_color__hover_enabled=”on|hover” button_text_size__hover_enabled=”on|desktop” button_border_color__hover=”rgba(255,255,255,0.02)” button_border_color__hover_enabled=”on|hover” button_icon_color__hover=”#FFFFFF” button_icon_color__hover_enabled=”on|hover”][\/et_pb_button][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.18.0″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_button button_url=”https:\/\/smartdsp.pro\/smart-dsp-products\/” button_text=”Audio Effects” button_alignment=”center” _builder_version=”4.27.4″ _module_preset=”3117bc07-6a8a-4679-b3bb-b6ed74b48a2f” custom_button=”on” button_text_color=”#FFFFFF” button_bg_use_color_gradient=”on” button_bg_color_gradient_direction=”229deg” button_bg_color_gradient_stops=”rgba(189,22,179,0.8) 0%|rgba(253,202,65,0.8) 100%” button_border_width=”0px” button_border_radius=”15px” button_font=”Be Vietnam Pro|600|||||||” button_use_icon=”off” box_shadow_style=”preset1″ box_shadow_blur=”35px” box_shadow_spread=”-11px” box_shadow_color=”rgba(255,255,255,0.28)” global_colors_info=”{}” button_bg_color__hover_enabled=”on|desktop” button_bg_color__hover=”rgba(0,127,31,0.7)” button_bg_enable_color__hover=”on” button_border_width__hover=”0px” button_border_width__hover_enabled=”on|desktop” button_border_radius__hover=”15px” button_border_radius__hover_enabled=”on|desktop” box_shadow_color__hover=”rgba(255,255,255,0.49)” box_shadow_color__hover_enabled=”on|hover” button_text_size__hover_enabled=”on|desktop” button_border_color__hover=”rgba(255,255,255,0.02)” button_border_color__hover_enabled=”on|hover” button_icon_color__hover=”#FFFFFF” button_icon_color__hover_enabled=”on|hover”][\/et_pb_button][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.18.0″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_button button_url=”https:\/\/www.patreon.com\/posts\/how-to-get-most-96445637″ url_new_window=”on” button_text=”Learning” button_alignment=”center” _builder_version=”4.27.5″ _module_preset=”3117bc07-6a8a-4679-b3bb-b6ed74b48a2f” custom_button=”on” button_text_color=”#FFFFFF” button_bg_use_color_gradient=”on” button_bg_color_gradient_direction=”229deg” button_bg_color_gradient_stops=”rgba(189,22,179,0.8) 0%|rgba(253,202,65,0.8) 100%” button_border_width=”0px” button_border_radius=”15px” button_font=”Be Vietnam Pro|600|||||||” button_use_icon=”off” box_shadow_style=”preset1″ box_shadow_blur=”35px” box_shadow_spread=”-11px” box_shadow_color=”rgba(255,255,255,0.28)” global_colors_info=”{}” button_bg_color__hover_enabled=”on|desktop” button_bg_color__hover=”rgba(0,127,31,0.7)” button_bg_enable_color__hover=”on” button_border_width__hover=”0px” button_border_width__hover_enabled=”on|desktop” button_border_radius__hover=”15px” button_border_radius__hover_enabled=”on|desktop” box_shadow_color__hover=”rgba(255,255,255,0.49)” box_shadow_color__hover_enabled=”on|hover” button_text_size__hover_enabled=”on|desktop” button_border_color__hover=”rgba(255,255,255,0.02)” button_border_color__hover_enabled=”on|hover” button_icon_color__hover=”#FFFFFF” button_icon_color__hover_enabled=”on|hover”][\/et_pb_button][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.18.0″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_button button_url=”https:\/\/smartdsp.pro\/tools” button_text=”Online Tools” button_alignment=”center” _builder_version=”4.27.5″ _module_preset=”3117bc07-6a8a-4679-b3bb-b6ed74b48a2f” custom_button=”on” button_text_color=”#FFFFFF” button_bg_use_color_gradient=”on” button_bg_color_gradient_direction=”229deg” button_bg_color_gradient_stops=”rgba(189,22,179,0.8) 0%|rgba(253,202,65,0.8) 100%” button_border_width=”0px” button_border_radius=”15px” button_font=”Be Vietnam Pro|600|||||||” button_use_icon=”off” box_shadow_style=”preset1″ box_shadow_blur=”35px” box_shadow_spread=”-11px” box_shadow_color=”rgba(255,255,255,0.28)” global_colors_info=”{}” button_bg_color__hover_enabled=”on|desktop” button_bg_color__hover=”rgba(0,127,31,0.7)” button_bg_enable_color__hover=”on” button_border_width__hover=”0px” button_border_width__hover_enabled=”on|desktop” button_border_radius__hover=”15px” button_border_radius__hover_enabled=”on|desktop” box_shadow_color__hover=”rgba(255,255,255,0.49)” box_shadow_color__hover_enabled=”on|hover” button_text_size__hover_enabled=”on|desktop” button_border_color__hover=”rgba(255,255,255,0.02)” button_border_color__hover_enabled=”on|hover” button_icon_color__hover=”#FFFFFF” button_icon_color__hover_enabled=”on|hover”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Support” _builder_version=”4.18.0″ background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_stops=”#000000 0%|rgba(41,196,169,0) 100%” background_color_gradient_overlays_image=”on” background_image=”https:\/\/smartdsp.pro\/wp-content\/uploads\/2022\/10\/footer-background-scaled-1.jpg” custom_padding=”100px|0px|100px|0px” global_colors_info=”{}”][et_pb_row column_structure=”3_5,2_5″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_column type=”3_5″ _builder_version=”4.16″ custom_padding=”40px||40px|” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.18.0″ text_font=”PT Sans|700|||||||” text_text_color=”#00B22D” text_font_size=”22px” header_font=”||||||||” global_colors_info=”{}”]<\/p>\n<p>FEEDBACK, ANSWERS, HELP WITH TROUBLESHOOTING<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=”4.18.0″ text_font=”PT Sans|700|||||||” text_text_color=”#FFFFFF” text_font_size=”18px” text_line_height=”1.8em” header_font=”||||||||” header_2_font=”Poppins|500|||||||” header_2_text_color=”#ffffff” header_2_font_size=”38px” header_2_line_height=”1.3em” header_3_font=”||||||||” header_4_font=”||||||||” global_colors_info=”{}”]<\/p>\n<h2>Available 7\/7<\/h2>\n<p>You want some feedback on your project, you have some audio related question or even need some help troubleshooting something?<br \/>Don’t wait any longer, hit us up!<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=”2_5″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/smartdsp.pro\/wp-content\/uploads\/2020\/07\/finance-illustration-03.png” title_text=”finance-illustration-03″ align=”center” align_tablet=”center” align_phone=”” align_last_edited=”on|desktop” disabled_on=”on|on|off” _builder_version=”4.16″ width=”40%” custom_margin=”45px|||||” animation_style=”slide” animation_direction=”bottom” animation_intensity_slide=”10%” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_4,1_4,1_4,1_4″ _builder_version=”4.27.4″ global_colors_info=”{}” button_border_width__hover=”0px” button_border_width__hover_enabled=”on|desktop” button_border_radius__hover=”15px” button_border_radius__hover_enabled=”on|desktop” box_shadow_color__hover=”rgba(255,255,255,0.49)” box_shadow_color__hover_enabled=”on|hover” button_text_size__hover_enabled=”on|desktop” button_bg_color__hover=”rgba(0,127,31,0.7)” button_bg_color__hover_enabled=”on|desktop” button_border_color__hover=”rgba(255,255,255,0.02)” button_border_color__hover_enabled=”on|hover” button_icon_color__hover=”#FFFFFF” button_icon_color__hover_enabled=”on|hover”][et_pb_column type=”1_4″ _builder_version=”4.16″ custom_padding=”40px||40px|” global_colors_info=”{}” custom_padding__hover=”|||”][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_button button_url=”https:\/\/smartdsp.pro\/get-feedback” url_new_window=”on” button_text=”Get some feedback” button_alignment=”center” _builder_version=”4.27.4″ custom_button=”on” button_text_size=”18px” button_text_color=”#FFFFFF” button_bg_use_color_gradient=”on” button_bg_color_gradient_direction=”229deg” button_bg_color_gradient_stops=”rgba(189,22,179,0.8) 0%|rgba(253,202,65,0.8) 100%” button_border_width=”0px” button_border_radius=”15px” button_font=”Be Vietnam Pro|600|||||||” button_use_icon=”off” box_shadow_style=”preset1″ box_shadow_blur=”35px” box_shadow_spread=”-11px” box_shadow_color=”rgba(255,255,255,0.28)” global_colors_info=”{}” button_text_size__hover_enabled=”on|desktop” button_one_text_size__hover_enabled=”off” button_two_text_size__hover_enabled=”off” button_text_color__hover_enabled=”off” button_one_text_color__hover_enabled=”off” button_two_text_color__hover_enabled=”off” button_border_width__hover_enabled=”on|desktop” button_one_border_width__hover_enabled=”off” button_two_border_width__hover_enabled=”off” button_border_color__hover_enabled=”on|hover” button_one_border_color__hover_enabled=”off” button_two_border_color__hover_enabled=”off” button_border_radius__hover_enabled=”on|desktop” button_one_border_radius__hover_enabled=”off” button_two_border_radius__hover_enabled=”off” button_letter_spacing__hover_enabled=”off” button_one_letter_spacing__hover_enabled=”off” button_two_letter_spacing__hover_enabled=”off” button_bg_color__hover_enabled=”on|desktop” button_one_bg_color__hover_enabled=”off” button_two_bg_color__hover_enabled=”off” button_bg_color__hover=”rgba(0,127,31,0.7)” button_border_width__hover=”0px” button_border_radius__hover=”15px” box_shadow_color__hover=”rgba(255,255,255,0.49)” box_shadow_color__hover_enabled=”on|hover” button_border_color__hover=”rgba(255,255,255,0.02)” button_icon_color__hover=”#FFFFFF” button_icon_color__hover_enabled=”on|hover” button_text_size__hover=”18px”][\/et_pb_button][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_button button_url=”https:\/\/smartdsp.pro\/contact” url_new_window=”on” button_text=”I have a question” button_alignment=”center” _builder_version=”4.27.4″ custom_button=”on” button_text_size=”18px” button_text_color=”#FFFFFF” button_bg_use_color_gradient=”on” button_bg_color_gradient_direction=”229deg” button_bg_color_gradient_stops=”rgba(189,22,179,0.8) 0%|rgba(253,202,65,0.8) 100%” button_border_width=”0px” button_border_radius=”15px” button_font=”Be Vietnam Pro|600|||||||” button_use_icon=”off” box_shadow_style=”preset1″ box_shadow_blur=”35px” box_shadow_spread=”-11px” box_shadow_color=”rgba(255,255,255,0.28)” global_colors_info=”{}” button_text_size__hover_enabled=”on|desktop” button_one_text_size__hover_enabled=”off” button_two_text_size__hover_enabled=”off” button_text_color__hover_enabled=”off” button_one_text_color__hover_enabled=”off” button_two_text_color__hover_enabled=”off” button_border_width__hover_enabled=”on|desktop” button_one_border_width__hover_enabled=”off” button_two_border_width__hover_enabled=”off” button_border_color__hover_enabled=”on|hover” button_one_border_color__hover_enabled=”off” button_two_border_color__hover_enabled=”off” button_border_radius__hover_enabled=”on|desktop” button_one_border_radius__hover_enabled=”off” button_two_border_radius__hover_enabled=”off” button_letter_spacing__hover_enabled=”off” button_one_letter_spacing__hover_enabled=”off” button_two_letter_spacing__hover_enabled=”off” button_bg_color__hover_enabled=”on|desktop” button_one_bg_color__hover_enabled=”off” button_two_bg_color__hover_enabled=”off” button_bg_color__hover=”rgba(0,127,31,0.7)” button_border_width__hover=”0px” button_border_radius__hover=”15px” box_shadow_color__hover=”rgba(255,255,255,0.49)” box_shadow_color__hover_enabled=”on|hover” button_border_color__hover=”rgba(255,255,255,0.02)” button_icon_color__hover=”#FFFFFF” button_icon_color__hover_enabled=”on|hover” button_text_size__hover=”18px”][\/et_pb_button][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Professional and Ethical Audio Converter. Convert Audio Files from\/to any format. Free. No Install. No Account. No Ads. Batch conversion support.<\/p>","protected":false},"author":392,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-4532","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/smartdsp.pro\/fr\/wp-json\/wp\/v2\/pages\/4532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartdsp.pro\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/smartdsp.pro\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/smartdsp.pro\/fr\/wp-json\/wp\/v2\/users\/392"}],"replies":[{"embeddable":true,"href":"https:\/\/smartdsp.pro\/fr\/wp-json\/wp\/v2\/comments?post=4532"}],"version-history":[{"count":29,"href":"https:\/\/smartdsp.pro\/fr\/wp-json\/wp\/v2\/pages\/4532\/revisions"}],"predecessor-version":[{"id":4675,"href":"https:\/\/smartdsp.pro\/fr\/wp-json\/wp\/v2\/pages\/4532\/revisions\/4675"}],"wp:attachment":[{"href":"https:\/\/smartdsp.pro\/fr\/wp-json\/wp\/v2\/media?parent=4532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}