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PaddleSpeech/examples/librispeech/s1/README.md

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# LibriSpeech
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## Data
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| Data Subset | Duration in Seconds |
| --- | --- |
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| data/manifest.train | 0.83s ~ 29.735s |
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| data/manifest.dev | 1.065 ~ 35.155s |
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| data/manifest.test-clean | 1.285s ~ 34.955s |
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## Conformer
| Model | Params | Config | Augmentation| Test set | Decode method | Loss | WER |
| --- | --- | --- | --- | --- | --- | --- | --- |
| conformer | 47.63 M | conf/conformer.yaml | spec_aug + shift | test-clean | attention | 6.35 | 0.030162 |
| conformer | 47.63 M | conf/conformer.yaml | spec_aug + shift | test-clean | ctc_greedy_search | 6.35 | 0.037910 |
| conformer | 47.63 M | conf/conformer.yaml | spec_aug + shift | test-clean | ctc_prefix_beam_search | 6.35 | 0.037761 |
| conformer | 47.63 M | conf/conformer.yaml | spec_aug + shift | test-clean | attention_rescoring | 6.35 | 0.032115 |
### Test w/o length filter
| Model | Params | Config | Augmentation| Test set | Decode method | Loss | WER |
| --- | --- | --- | --- | --- | --- | --- | --- |
| conformer | 47.63 M | conf/conformer.yaml | spec_aug + shift | test-clean-all | attention | 6.35 | 0.057117 |
## Chunk Conformer
| Model | Params | Config | Augmentation| Test set | Decode method | Chunk Size & Left Chunks | Loss | WER |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| conformer | 47.63 M | conf/chunk_conformer.yaml | spec_aug + shift | test-clean | attention | 16, -1 | 7.11 | 0.063193 |
| conformer | 47.63 M | conf/chunk_conformer.yaml | spec_aug + shift | test-clean | ctc_greedy_search | 16, -1 | 7.11 | 0.082394 |
| conformer | 47.63 M | conf/chunk_conformer.yaml | spec_aug + shift | test-clean | ctc_prefix_beam_search | 16, -1 | 7.11 | 0.082156 |
| conformer | 47.63 M | conf/chunk_conformer.yaml | spec_aug + shift | test-clean | attention_rescoring | 16, -1 | 7.11 | 0.071000 |
## Transformer
| Model | Params | Config | Augmentation| Test set | Decode method | Loss | WER |
| --- | --- | --- | --- | --- | --- | --- | --- |
| transformer | 32.52 M | conf/transformer.yaml | spec_aug + shift | test-clean | attention | 6.98 | 0.036 |
### Test w/o length filter
| Model | Params | Config | Augmentation| Test set | Decode method | Loss | WER |
| --- | --- | --- | --- | --- | --- | --- | --- |
| transformer | 32.52 M | conf/transformer.yaml | spec_aug + shift | test-clean-all | attention | 7.63 | 0.056832 |
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| transformer | 32.52 M | conf/transformer.yaml | spec_aug + shift | test-clean-all | ctc_greedy_search | 7.63 | 0.059742 |
| transformer | 32.52 M | conf/transformer.yaml | spec_aug + shift | test-clean-all | ctc_prefix_beam_search | 7.63 | 0.059057 |
| transformer | 32.52 M | conf/transformer.yaml | spec_aug + shift | test-clean-all | attention_rescoring | 7.63 | 0.047417 |