Yes, we support audio stream files but those files should be in any of the following formats:
- MP3
- MP4
- Opus
- FLAC
- AC3
- WAV
- AAC
And make sure the subtitles need to be either an SRT or WebVTT file.
For more visit: Audio/Subtitle Streams
To add captions and subtitles please visit this link: AI generated subtitles
Additionally, you can read the comparison blogs listed here for extra details while you select the audio formats: