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79 lines
2.0 KiB
79 lines
2.0 KiB
# U2/U2++ Streaming ASR
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A C++ deployment example for `PaddleSpeech/examples/wenetspeech/asr1` recipe. The model is static model from `export`, how to export model please see [here](../../../../examples/wenetspeech/asr1/). If you want using exported model, `run.sh` will download it, for the model link please see `run.sh`.
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This example will demonstrate how to using the u2/u2++ model to recognize `wav` and compute `CER`. We using AISHELL-1 as test data.
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## Testing with Aishell Test Data
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## Source path.sh
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```bash
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. path.sh
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```
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SpeechX bins is under `echo $SPEECHX_BUILD`, more info please see `path.sh`.
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### Download dataset and model
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```
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./run.sh --stop_stage 0
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```
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### process `cmvn` and compute feature
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```bash
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./run.sh --stage 1 --stop_stage 1
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```
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If you only want to convert `cmvn` file format, can using this cmd:
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```bash
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./local/feat.sh --stage 1 --stop_stage 1
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```
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### Decoding using `feature` input
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```
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./run.sh --stage 2 --stop_stage 2
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```
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### Decoding using `wav` input
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```
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./run.sh --stage 3 --stop_stage 3
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```
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This stage using `u2_recognizer_main` to recognize wav file.
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The input is `scp` file which look like this:
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```text
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# head data/split1/1/aishell_test.scp
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BAC009S0764W0121 /workspace/PaddleSpeech/speechx/examples/u2pp_ol/wenetspeech/data/test/S0764/BAC009S0764W0121.wav
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BAC009S0764W0122 /workspace/PaddleSpeech/speechx/examples/u2pp_ol/wenetspeech/data/test/S0764/BAC009S0764W0122.wav
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...
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BAC009S0764W0125 /workspace/PaddleSpeech/speechx/examples/u2pp_ol/wenetspeech/data/test/S0764/BAC009S0764W0125.wav
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```
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If you want to recognize one wav, you can make `scp` file like this:
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```text
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key path/to/wav/file
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```
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Then specify `--wav_rspecifier=` param for `u2_recognizer_main` bin. For other flags meaning, please see `help`:
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```bash
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u2_recognizer_main --help
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```
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The exmaple using `u2_recgonize_main` bin please see `local/recognizer.sh`.
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### Decoding with `wav` using quant model
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`local/recognizer_quant.sh` is same to `local/recognizer.sh`, but using quanted model.
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## Results
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Please see [here](./RESULTS.md).
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