| Name | Type | Description | Notes |
|---|---|---|---|
| encoding | str | Encoding of audio file like MP3, WAV etc. | |
| sample_rate | int | Sample rate of the audio file. | |
| language_code | str | Language spoken in the audio file. | [default to 'en-US'] |
| content | str | base64 encoding of the audio file. | |
| speakers | int | Number of speakers in the file (-1 for unknown speakers) | [default to -1] |