Stem separation

melband-roformer

The stems list picks two-stem or four-stem.

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

  • This model has no overlap field.
  • vocals and instrumental uses the two-stem weights.
  • drums, bass, or other uses the four-stem weights.

Parameters

FieldTypeDescription
params.stems
Default vocals, instrumental
arrayTrack names to return. Omit this field to return the native set.
params.output_format
Default flac
stringwav, flac, mp3, or model.
params.output_sample_rate
Default source
string or integersource, model, or one of 8000, 16000, 22050, 24000, 32000, 44100, 48000.
params.output_channels
Default source
stringsource, 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=melband-roformer \
  -F params='{"stems":["vocals","instrumental"]}' \
  -F file=@song.mp3

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