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39 lines
2.1 KiB
Markdown
39 lines
2.1 KiB
Markdown
## Results
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### Multi Chinese datasets char-based training results (Non-streaming) on zipformer model
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This is the [pull request #1238](https://github.com/k2-fsa/icefall/pull/1238) in icefall.
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#### Non-streaming
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Best results (num of params : ~69M):
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The training command:
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```
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./zipformer/train.py \
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--world-size 4 \
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--num-epochs 20 \
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--use-fp16 1 \
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--max-duration 600 \
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--num-workers 8
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```
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The decoding command:
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```
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./zipformer/decode.py \
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--epoch 20 \
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--avg 1
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```
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Character Error Rates (CERs) listed below are produced by the checkpoint of the 20th epoch using greedy search and BPE model ( # tokens is 2000, byte fallback enabled).
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| Datasets | aidatatang _200zh | aidatatang _200zh | alimeeting | alimeeting | aishell-1 | aishell-1 | aishell-2 | aishell-2 | aishell-4 | magicdata | magicdata | kespeech-asr | kespeech-asr | kespeech-asr | WenetSpeech | WenetSpeech | WenetSpeech |
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|--------------------------------|------------------------------|-------------|-------------------|--------------|----------------|-------------|------------------|-------------|------------------|------------------|-------------|-----------------------|-----------------------|-------------|--------------------|-------------------------|---------------------|
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| Zipformer CER (%) | dev | test | eval | test | dev | test | dev | test | test | dev | test | dev phase1 | dev phase2 | test | dev | test meeting | test net |
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| | 3.2 | 3.67 | 23.15 | 24.78 | 2.91 | 3.04 | 3.59 | 4.03 | 15.68 | 3.68 | 3.12 | 6.69 | 3.19 | 8.01 | 9.32 | 7.05 | 8.78 |
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The pre-trained model is available here : https://huggingface.co/zrjin/icefall-asr-multi-zh-hans-zipformer-2023-9-2
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