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bitsydarel/
deepfilternet3-onnx

Name: deepfilternet3-onnx
Availability: InStock

onnx

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DeepFilterNet 3 ONNX

Mirror of the DeepFilterNet 3 ONNX models from github.com/Rikorose/DeepFilterNet, specifically DeepFilterNet3_onnx.tar.gz extracted.

License

Dual MIT / Apache-2.0 — see upstream repository.

Files

File	Role	Size
`enc.onnx`	Encoder	1.9 MB
`erb_dec.onnx`	ERB band decoder	3.3 MB
`df_dec.onnx`	Deep filtering decoder	3.3 MB
`config.ini`	Model + runtime configuration	2 KB

Total ~8.5 MB on disk.

Runtime contract

DeepFilterNet 3 is a streaming, real-time speech enhancement model:

Native sample rate: 48 kHz (the model can also handle 16 kHz via internal resampling done by the runtime)
Frame: 480 samples @ 48 kHz (10 ms)
Latency: ~40 ms algorithmic
3-stage pipeline: STFT → encoder → ERB band gains + deep filter coefficients → iSTFT

Best loaded through the upstream reference implementation (Rust or Python) which handles the STFT, framing, state management, and dual-decoder fusion. The bare ONNX files do not include those.

Why this mirror exists

iOS SDK demo pipeline needs a stable, fast download URL pinned by SHA-256. The upstream models/ folder URL changes between commits; this mirror gives us reproducibility for the SDK's SherpaOnnxSpeechEnhancerConfiguration.

bitsydarel/deepfilternet3-onnx