Tags: dexxdean/htdemucs-coreml
Tags
Initial release: HTDemucs to Core ML converter Convert Meta's Hybrid Transformer Demucs (HTDemucs) to a Core ML mlpackage with a real-valued STFT/ISTFT wrapper, manual MultiheadAttention decomposition, and pre-computed overlap-add indices. - convert.py: 600+ LoC standalone converter with FP16/FP32 and segment-length flags - CONVERSION_NOTES.md: technical deep-dive on the three coremltools workarounds - examples/swift/StemSeparator.swift: full Swift reference with chunking + OLA - README, LICENSE (MIT), ATTRIBUTION (Demucs MIT, Meta) Validated end-to-end: max numerical drift 3e-4 (FP32), 6e-3 (FP16) vs PyTorch reference. Pre-built mlpackages attached to releases.