Vocal Separator

Split a track into vocals and instrumental, or export all four Demucs stems as a ZIP for remixing and post-production.

Deploy & run Source

RTX 3090 scale to zero Audio stems or ZIPDemucsvocalsmusic

Canonical example

Input and output, side by side

Two synchronized audio outputs

01 · input

Audio output

audio

full-mix.wav

stems

two

format

wav

model

htdemucs

02 · Audio stems or ZIP

Vocals

Instrumental

Run the same recipe everywhere

curl -sX POST https://app.nz/api/cogs/run \
  -H "Authorization: Bearer $APP_NZ_KEY" \
  -H "Content-Type: application/json" \
  -d '{"template":"vocal-separator","input":{"audio":"full-mix.wav","stems":"two","format":"wav","model":"htdemucs"}}'