Supported audio formats
VoiceQC accepts uncompressed WAV audio. Other formats (MP3, M4A, FLAC, OGG, AAC, WMA) are silently filtered out — re-export to WAV before upload. Multi-file selection is supported.
Accepted formats
Section titled “Accepted formats”VoiceQC accepts WAV audio files only — files identified by your browser as audio/wav. Multi-file uploads are supported; drop or pick as many as you like at once.
| Format | Accepted? |
|---|---|
WAV (any sample rate, bit depth, channel count the browser tags as audio/wav) | Yes |
| MP3, M4A, AAC, FLAC, OGG, WMA, or anything else | No |
For best results, export your audio as 16-bit PCM WAV before uploading.
The Choose Files picker filters by WAV in the OS dialog, so non-WAV files don’t appear there to begin with. If you need to upload from a folder mixed with other audio formats, the picker is the safer path.
Filenames
Section titled “Filenames”The browser sends each file’s name as part of the upload. A handful of characters get sanitized on the way in (<, >, :, ", /, \, |, ?, *) — you’ll see the sanitized version in the Session items table and in any CSV export. If you’ve uploaded a Script, make sure the filenames in the script CSV match what ends up in VoiceQC after sanitization.
File size and length
Section titled “File size and length”Today there’s no surfaced size or length cap in the UI — VoiceQC accepts what your browser uploads. Long files take proportionally longer to transcribe, so a 30-minute file will take measurably longer than a 10-second clip. Very long files may bump up against your Plan limits for character count.
Coming later (not supported today)
Section titled “Coming later (not supported today)”These would simplify some workflows but aren’t accepted yet. Track them in your team’s wishlist:
- MP3 / M4A / AAC ingest
- Folder upload (drag a whole folder; today you select files within it)
- ZIP / batch archives
If you have a strong need for one of these, let the VoiceQC team know via the Feedback form.