HTDemucs (ONNX Runtime) — Gridshift mirror

This is a mirror of gentij/htdemucs-ort, re-hosted under the Gridshift Studio organization so that the desktop app's model-distribution pipeline remains stable across upstream changes.

Weights, format, and license are unchanged from upstream.

Usage

Consumed by Gridshift's stem-separation feature via the Rust stem-splitter crate (reqwest + onnxruntime). The manifest.json in this repo lists the ONNX model file with its SHA-256 and size for client-side integrity verification.

Audio format: 44.1 kHz stereo, 343 980 samples per inference window
Stems: drums, bass, other, vocals
Format: ONNX Runtime .ort (converted from PyTorch HTDemucs)
File size: ~200 MB

License and attribution

Apache-2.0, inherited from the upstream Demucs project by Facebook Research. The conversion to ONNX Runtime was done by gentij; we redistribute that conversion without modification.

Please cite upstream Demucs if you use this model:

Défossez et al., "Hybrid Transformers for Music Source Separation", 2022.

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