readme: ---
  tags:
  - espnet
  - audio
  - automatic-speech-recognition
  language: en
  datasets:
  - librispeech
  license: cc-by-4.0
  ---
  
  ## ESPnet2 ASR model 
  
  ### `pyf98/librispeech_branchformer_e18_linear3072`
  
  This model was trained by Yifan Peng using librispeech recipe in [espnet](https://github.com/espnet/espnet/).
  
  Branchformer (Peng et al., ICML 2022): [https://proceedings.mlr.press/v162/peng22a.html](https://proceedings.mlr.press/v162/peng22a.html)
  
  ### Demo: How to use in ESPnet2
  
  ```bash
  cd espnet
  git checkout 775021f47d1ea6834dc53005ad7954ed9f8b56c5
  pip install -e .
  cd egs2/librispeech/asr1
  ./run.sh --skip_data_prep false --skip_train true --download_model pyf98/librispeech_branchformer_e18_linear3072
  ```
  
  <!-- Generated by scripts/utils/show_asr_result.sh -->
  # RESULTS
  ## Environments
  - date: `Fri Jun  3 02:25:27 EDT 2022`
  - python version: `3.9.12 (main, Apr  5 2022, 06:56:58)  [GCC 7.5.0]`
  - espnet version: `espnet 202205`
  - pytorch version: `pytorch 1.11.0`
  - Git hash: `415e7ac5d1ca92ef0d91510086614899139b1e8f`
    - Commit date: `Mon May 30 23:48:29 2022 -0400`
  
  ## asr_train_asr_branchformer_hop_length160_e18_linear3072_raw_en_bpe5000_sp
  ### WER
  
  |dataset|Snt|Wrd|Corr|Sub|Del|Ins|Err|S.Err|
  |---|---|---|---|---|---|---|---|---|
  |till60epoch_beam60_ctc0.3/dev_clean|2703|54402|98.1|1.7|0.2|0.2|2.1|26.7|
  |till60epoch_beam60_ctc0.3/dev_other|2864|50948|95.3|4.4|0.3|0.5|5.2|43.7|
  |till60epoch_beam60_ctc0.3/test_clean|2620|52576|97.9|1.9|0.2|0.3|2.4|28.1|
  |till60epoch_beam60_ctc0.3/test_other|2939|52343|95.3|4.3|0.4|0.6|5.3|45.8|
  |till60epoch_beam60_ctc0.3_lm0.6/dev_clean|2703|54402|98.4|1.4|0.2|0.2|1.7|23.0|
  |till60epoch_beam60_ctc0.3_lm0.6/dev_other|2864|50948|96.4|3.3|0.3|0.4|4.0|36.3|
  |till60epoch_beam60_ctc0.3_lm0.6/test_clean|2620|52576|98.3|1.5|0.2|0.3|2.0|23.9|
  |till60epoch_beam60_ctc0.3_lm0.6/test_other|2939|52343|96.3|3.3|0.4|0.5|4.2|39.2|
  |till70epoch_beam60_ctc0.3/dev_clean|2703|54402|98.1|1.7|0.2|0.2|2.1|27.0|
  |till70epoch_beam60_ctc0.3/dev_other|2864|50948|95.4|4.3|0.4|0.5|5.1|43.2|
  |till70epoch_beam60_ctc0.3/test_clean|2620|52576|97.9|1.9|0.2|0.3|2.3|27.8|
  |till70epoch_beam60_ctc0.3/test_other|2939|52343|95.4|4.2|0.4|0.6|5.3|45.3|
  |till70epoch_beam60_ctc0.3_lm0.6/dev_clean|2703|54402|98.4|1.4|0.2|0.2|1.8|23.8|
  |till70epoch_beam60_ctc0.3_lm0.6/dev_other|2864|50948|96.4|3.3|0.3|0.4|4.0|36.6|
  |till70epoch_beam60_ctc0.3_lm0.6/test_clean|2620|52576|98.3|1.6|0.2|0.2|2.0|24.0|
  |till70epoch_beam60_ctc0.3_lm0.6/test_other|2939|52343|96.3|3.3|0.5|0.5|4.2|39.6|
  
  ### CER
  
  |dataset|Snt|Wrd|Corr|Sub|Del|Ins|Err|S.Err|
  |---|---|---|---|---|---|---|---|---|
  |till60epoch_beam60_ctc0.3/dev_clean|2703|288456|99.5|0.3|0.2|0.2|0.7|26.7|
  |till60epoch_beam60_ctc0.3/dev_other|2864|265951|98.3|1.0|0.6|0.6|2.3|43.7|
  |till60epoch_beam60_ctc0.3/test_clean|2620|281530|99.5|0.3|0.2|0.2|0.8|28.1|
  |till60epoch_beam60_ctc0.3/test_other|2939|272758|98.5|0.9|0.6|0.6|2.2|45.8|
  |till60epoch_beam60_ctc0.3_lm0.6/dev_clean|2703|288456|99.6|0.2|0.2|0.2|0.6|23.0|
  |till60epoch_beam60_ctc0.3_lm0.6/dev_other|2864|265951|98.6|0.9|0.6|0.5|1.9|36.3|
  |till60epoch_beam60_ctc0.3_lm0.6/test_clean|2620|281530|99.5|0.2|0.2|0.2|0.7|23.9|
  |till60epoch_beam60_ctc0.3_lm0.6/test_other|2939|272758|98.7|0.7|0.6|0.5|1.8|39.2|
  |till70epoch_beam60_ctc0.3/dev_clean|2703|288456|99.5|0.3|0.2|0.2|0.7|27.0|
  |till70epoch_beam60_ctc0.3/dev_other|2864|265951|98.3|1.0|0.6|0.6|2.2|43.2|
  |till70epoch_beam60_ctc0.3/test_clean|2620|281530|99.5|0.3|0.2|0.2|0.8|27.8|
  |till70epoch_beam60_ctc0.3/test_other|2939|272758|98.5|0.9|0.6|0.7|2.1|45.3|
  |till70epoch_beam60_ctc0.3_lm0.6/dev_clean|2703|288456|99.5|0.2|0.2|0.2|0.6|23.8|
  |till70epoch_beam60_ctc0.3_lm0.6/dev_other|2864|265951|98.6|0.8|0.6|0.5|1.9|36.6|
  |till70epoch_beam60_ctc0.3_lm0.6/test_clean|2620|281530|99.5|0.2|0.2|0.2|0.7|24.0|
  |till70epoch_beam60_ctc0.3_lm0.6/test_other|2939|272758|98.6|0.7|0.6|0.5|1.9|39.6|
  
  ### TER
  
  |dataset|Snt|Wrd|Corr|Sub|Del|Ins|Err|S.Err|
  |---|---|---|---|---|---|---|---|---|
  |till60epoch_beam60_ctc0.3/dev_clean|2703|68010|97.7|1.7|0.6|0.3|2.7|26.7|
  |till60epoch_beam60_ctc0.3/dev_other|2864|63110|94.2|4.4|1.4|0.9|6.7|43.7|
  |till60epoch_beam60_ctc0.3/test_clean|2620|65818|97.4|1.8|0.8|0.3|3.0|28.1|
  |till60epoch_beam60_ctc0.3/test_other|2939|65101|94.2|4.1|1.7|0.7|6.5|45.8|
  |till60epoch_beam60_ctc0.3_lm0.6/dev_clean|2703|68010|98.0|1.4|0.6|0.3|2.3|23.0|
  |till60epoch_beam60_ctc0.3_lm0.6/dev_other|2864|63110|95.2|3.5|1.3|0.6|5.4|36.3|
  |till60epoch_beam60_ctc0.3_lm0.6/test_clean|2620|65818|97.7|1.5|0.8|0.3|2.5|23.9|
  |till60epoch_beam60_ctc0.3_lm0.6/test_other|2939|65101|95.2|3.1|1.7|0.6|5.3|39.2|
  |till70epoch_beam60_ctc0.3/dev_clean|2703|68010|97.7|1.7|0.6|0.4|2.7|27.0|
  |till70epoch_beam60_ctc0.3/dev_other|2864|63110|94.2|4.4|1.4|0.8|6.6|43.2|
  |till70epoch_beam60_ctc0.3/test_clean|2620|65818|97.4|1.8|0.8|0.4|2.9|27.8|
  |till70epoch_beam60_ctc0.3/test_other|2939|65101|94.3|4.0|1.6|0.8|6.4|45.3|
  |till70epoch_beam60_ctc0.3_lm0.6/dev_clean|2703|68010|98.0|1.4|0.6|0.3|2.3|23.8|
  |till70epoch_beam60_ctc0.3_lm0