Demucs

Use demucs to split music into stems (default: vocals, drums, bass, other).

Quick start

• Help: demucs --help
• Basic split: demucs "input.mp3"
• Output dir: demucs "input.mp3" -o "D:\\output"
• Vocals only pair: demucs "input.mp3" --two-stems vocals

Prerequisites

• Demucs available: demucs --help or absolute path like D:\demucs-agent-tool\venv\Scripts\demucs.exe --help.
• FFmpeg available: ffmpeg -version must succeed.
• Note: ffmpeg-python is only a Python wrapper and does not install ffmpeg.exe.