Convert an audio file or URL into a cover song using a different voice.
URL of an audio file to process. Either audio_url or audio_file must be provided.
"https://example.com/audio.wav"
The ID of the voice model to use for voice transformation.
"demo-voice-id"
Audio file to upload and process. Either audio_file or audio_url must be provided.
Pitch adjustment for the voice. Range from -12 to 12. Default: 0
-12 <= x <= 12A URL where the result will be sent once processing is completed.
"https://example.com/callback"