Transcode any CoreAudio-readable container to 16 kHz PCM16 WAV. Throws with afconvert's diagnostic on failure — the serve layer surfaces it as a 400 ("prompt build failed: audio transcode failed …"). Temp files are cleaned up on every path.
Transcode any CoreAudio-readable container to 16 kHz PCM16 WAV. Throws with afconvert's diagnostic on failure — the serve layer surfaces it as a 400 ("prompt build failed: audio transcode failed …"). Temp files are cleaned up on every path.