Initiate a file conversion task using either an audio URL or file upload with optional format parameters and webhook callback.
URL of the audio file to convert
"https://example.com/audio.mp3"
Target format for conversion
mp3, wav, flac, ogg, aac, webm "wav"
Audio file to upload and convert directly
Target sample rate in Hz (optional) - can be any of [8000, 16000, 22050, 24000, 32000, 44100, 48000, 96000, 192000]
8000, 16000, 22050, 24000, 32000, 44100, 48000, 96000, 192000 44100
Target bit depth (16, 24, or 32)
16, 24, 32 24
Callback URL for async processing results
"https://your-webhook-url.com/callback"