aufklarer / OpenUnmix-HQ-MLX

huggingface.co
Total runs: 33
24-hour runs: 0
7-day runs: -14
30-day runs: -43
Model's Last Updated: March 26 2026
audio-to-audio

Introduction of OpenUnmix-HQ-MLX

Model Details of OpenUnmix-HQ-MLX

Open-Unmix HQ (MLX)

MLX-converted Open-Unmix HQ for music source separation on Apple Silicon.

Separates stereo music into 4 stems: vocals, drums, bass, other. 4.3x real-time on M2 Max.

Model Details
  • Architecture : BiLSTM + FC encoder/decoder with magnitude masking
  • Parameters : 8.9M per stem (4 stems = 35.6M total)
  • Hidden size : 512
  • Input : Stereo 44.1kHz audio
  • Output : 4 stereo WAV stems
  • Format : safetensors (MLX-compatible)
  • Size : ~34 MB per stem, ~136 MB total
Benchmark (MUSDB18-HQ, 50 tracks, M2 Max)
Target SDR (dB)
Vocals 6.23
Drums 6.44
Bass 4.56
Other 3.41

RTF 0.23 (4.3x real-time).

Usage

Used by speech-swift :

audio separate song.wav
let separator = try await SourceSeparator.fromPretrained()
let stems = separator.separate(audio: stereoAudio, sampleRate: 44100)
// stems[.vocals], stems[.drums], stems[.bass], stems[.other]
Files
  • vocals.safetensors — Vocals model (34 MB)
  • drums.safetensors — Drums model (34 MB)
  • bass.safetensors — Bass model (34 MB)
  • other.safetensors — Other/accompaniment model (34 MB)
  • config.json — Model configuration
Reference
  • Open-Unmix (GitHub)
  • Stöter et al., "Open-Unmix — A Reference Implementation for Music Source Separation" (JOSS, 2019)
License

MIT (same as original Open-Unmix)

Runs of aufklarer OpenUnmix-HQ-MLX on huggingface.co

33
Total runs
0
24-hour runs
-7
3-day runs
-14
7-day runs
-43
30-day runs

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OpenUnmix-HQ-MLX huggingface.co

OpenUnmix-HQ-MLX huggingface.co is an AI model on huggingface.co that provides OpenUnmix-HQ-MLX's model effect (), which can be used instantly with this aufklarer OpenUnmix-HQ-MLX model. huggingface.co supports a free trial of the OpenUnmix-HQ-MLX model, and also provides paid use of the OpenUnmix-HQ-MLX. Support call OpenUnmix-HQ-MLX model through api, including Node.js, Python, http.

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https://huggingface.co/aufklarer/OpenUnmix-HQ-MLX

aufklarer OpenUnmix-HQ-MLX online free

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aufklarer OpenUnmix-HQ-MLX online free url in huggingface.co:

https://huggingface.co/aufklarer/OpenUnmix-HQ-MLX

OpenUnmix-HQ-MLX install

OpenUnmix-HQ-MLX is an open source model from GitHub that offers a free installation service, and any user can find OpenUnmix-HQ-MLX on GitHub to install. At the same time, huggingface.co provides the effect of OpenUnmix-HQ-MLX install, users can directly use OpenUnmix-HQ-MLX installed effect in huggingface.co for debugging and trial. It also supports api for free installation.

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https://huggingface.co/aufklarer/OpenUnmix-HQ-MLX

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