Source Separation

AI-powered stem extraction with ONNX Runtime

Demucs

Spleeter

4-Stem

ONNX Runtime

Model Source Configuration

Choose where to load ONNX models from

Model Source

Auto Mode

R2 Not Configured

Auto Mode: Tries R2 bucket first for faster loading, falls back to direct CDN if unavailable.
R2 Bucket: Fast, reliable model loading from Cloudflare R2 storage (requires configuration).
Direct CDN: Loads models directly from external CDN providers.

R2 bucket is not configured. Models will load from direct CDN instead. To enable R2, configure public access for the jewelmusic-onnx-models bucket.

Drop your audio file here

or click to browse

Supported formats: MP3, WAV, FLAC, OGG, M4A

Maximum file size: 200 MiB (210 MB)

Model Settings

Separation Model

Model configuration loading...

No Audio Loaded

Upload an audio file to separate it into individual stems

Vocals

Drums

Bass

Other