Hear it first
Real separation output from VoxSplit. Listen to the original, then the extracted stems — same 30-second clip, no touch-ups.
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Why local-first?
Your music never leaves your machine. No upload queues, no per-minute fees, no expiry links — just a FastAPI service and your GPU doing the work. Batch a whole album while you make coffee.
Run it yourself
git clone https://github.com/michael-borck/voxsplit cd voxsplit uv venv && uv pip install -e . uvicorn backend.main:app --port 8399
Apple Silicon: RoFormer & Demucs models accelerate via MPS automatically.
NVIDIA Linux: use deploy/docker-compose.yml for a CUDA build.
First model use downloads weights once (~1 GB for RoFormer).
The models
On-demand weights from the UVR / python-audio-separator ecosystem: Mel-Band RoFormer (current SOTA for karaoke/vocals), UVR's MDX-Net line, and Demucs 4-stem — all selected per job from the web UI.