WAV is the standard format for audio editing in professional DAWs — Audacity, Pro Tools, Logic Pro, Adobe Audition, Ableton Live. Extracting audio as WAV gives you an uncompressed file ready for editing without any additional compression artifacts.
When pulling audio from video for use in another project, WAV preserves maximum quality. Standard practice: extract as WAV, edit, then export to your final format.
MP4 video typically contains AAC audio at 128-256kbps. Extracting to WAV decodes this to uncompressed PCM — no further quality loss from re-encoding. The WAV file contains the full decoded audio from the video.
Set exact output specifications — 44.1kHz/16-bit for CD-standard music workflows, 48kHz/24-bit for video post-production — ensuring compatibility with your editing software.
| Use Case | Sample Rate | Bit Depth | Notes |
|---|---|---|---|
| Music editing | 44.1kHz | 16-bit | CD standard, most DAWs |
| Video post-production | 48kHz | 16-bit or 24-bit | Industry standard for video |
| Podcast editing | 44.1kHz | 16-bit | Standard for spoken word |
| Broadcast | 48kHz | 24-bit | Professional broadcast standard |
No. The audio quality is limited by the original MP4's audio track (usually AAC at 128-256kbps). Converting to WAV decodes the compressed audio to uncompressed PCM — it preserves what's there but can't add quality that wasn't in the source.
48kHz for video production workflows (industry standard). 44.1kHz for music and general audio editing. Going higher than the source MP4's sample rate provides no quality benefit.
WAV is uncompressed. A 3-minute audio track is about 30MB as WAV vs 3-5MB as the AAC track inside the MP4. The tradeoff is universal editor compatibility and no further compression artifacts.
Yes. Upload multiple MP4 files and extract audio from all of them as WAV with the same settings.
Yes. Completely free with no watermarks, no sign-up required, and no file count limits.
Yes. Works in any modern browser on all devices — no app installation required.