sherpa-onnx-gtcrn-ax650
GTCRN (Grouped Temporal Convolutional Recurrent Network) speech enhancement model converted to AX650 AXMODEL for on-device denoising and dereverberation via sherpa-onnx.
Model Details
- Original Model: k2-fsa/sherpa-onnx-gtcrn-dereverb-advanced-v0
- Architecture: GTCRN (Grouped Temporal Convolutional Recurrent Network)
- Task: Speech enhancement (denoising + dereverberation)
- Sample rate: 16000 Hz
- Target Chip: AX650 (NPU3)
- Quantization: U16
Files
| File | Size | Description |
|---|---|---|
gtcrn.bin | 1.8 MB | GTCRN speech enhancement AXMODEL |
Note: The model file uses
.binextension for upload compatibility. Rename to.axmodelif needed by your sherpa-onnx build, or use as-is.
Usage with sherpa-onnx
./sherpa-onnx-offline-denoiser \
--gtcrn-model=gtcrn.bin \
--provider=axera \
noisy.wav enhanced.wav
Performance
| Metric | Value |
|---|---|
| AXMODEL size | 1.8 MB |
| RTF | TBD |
Conversion Details
- Pulsar2 Version: 5.1
- Calibration: MinMax with 10 samples
- Input Shape: [1, 256, 257]
License
Apache 2.0