`htdemucs`

Four-stem Demucs. overlap is the one extra runtime knob.

Native waveform: 44.1 kHz stereo float WAV. Live price and availability are on GET /v1/models/htdemucs.

Native stems: vocals, drums, bass, other. instrumental is also allowed.
overlap 0.05 to 0.25. Default 0.1. Demucs only.

Parameters

Field	Type	Description
`params.stems` Default vocals, drums, bass, other	array	Track names to return. Omit this field to return the native set.
`params.overlap` Default 0.1	number	0.05 to 0.25.
`params.output_format` Default flac	string	wav, flac, mp3, or model.
`params.output_sample_rate` Default source	string or integer	source, model, or one of 8000, 16000, 22050, 24000, 32000, 44100, 48000.
`params.output_channels` Default source	string	source, model, mono, or stereo.

Example

curl https://api.pascalai.co/v1/stem-separation \
  -H "Authorization: Bearer $PASCAL_API_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -F model=htdemucs \
  -F params='{"stems":["vocals","drums","bass","other"],"overlap":0.1,"output_format":"flac"}' \
  -F file=@song.mp3

curl https://api.pascalai.co/v1/stem-separation/$JOB_ID \
  -H "Authorization: Bearer $PASCAL_API_KEY"