Language spoken in the audio sample. One of "en", "fr", "de", "es", "pt". Also what Voice Localization uses as the source language, so it must match the recording.
start_s
float
No
Start time in seconds to begin sampling from the audio file (default 0.0)
timeout_s
float
No
Maximum seconds to wait for embedding extraction (default 10.0)
input_format
string
No
Audio format. If omitted, inferred from the file extension