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Dario Loi
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StemSep

A web app that splits an audio file into stems (vocals, drums, bass, guitar, and the rest) with Demucs.

2025Open source, Apache 2.0

StemSep. The StemSep web interface: an input panel above waveform players, one for each separated stem.

StemSep separates an uploaded audio file into vocals, drums, bass, guitar, and other stems with Demucs's htdemucs_6s model, behind a Gradio interface. Each stem comes back as its own track.

It runs from a Docker image with one command, with or without GPU acceleration, or locally from the repository with pip.

  • Python
  • Audio
  • Gradio