File formats and limits
This reference lists supported evaluation upload formats and common limits.
Supported formats
| Format | Extensions |
|---|---|
| Audio | MP3, WAV, M4A |
| Video | MP4, MOV/QuickTime, WebM |
Confirm current supported formats on the Evaluate Speech upload screen — your deployment may show additional guidance.
File size
- Videos over 50 MB may be compressed automatically before submission.
- Allow extra processing time for long recordings.
Troubleshooting uploads
See Common issues.