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162 Commits 5 Branches 3 Tags
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14 Commits

Author SHA1 Message Date
Fangjun Kuang
1ff6196c44
Fix joiner (#234) 
* Add tests for Joiner

* Remove duplicate files.
 2022-03-02 16:41:14 +08:00
Fangjun Kuang
50d2281524
Add modified transducer loss for AIShell dataset (#219) 
* Add modified transducer for aishell.

* Minor fixes.

* Add extra data in transducer training.

The extra data is from http://www.openslr.org/62/

* Update export.py and pretrained.py

* Update CI to install pretrained models with aishell.

* Update results.

* Update results.

* Update README.

* Use symlinks to avoid copies.
 2022-03-02 16:02:38 +08:00
Fangjun Kuang
1c35ae1dba
Reset seed at the beginning of each epoch. (#221) 
* Reset seed at the beginning of each epoch.

* Use a different seed for each epoch.
 2022-02-21 15:16:39 +08:00
Fangjun Kuang
a8150021e0
Use modified transducer loss in training. (#179) 
* Use modified transducer loss in training.

* Minor fix.

* Add modified beam search.

* Add modified beam search.

* Minor fixes.

* Fix typo.

* Update RESULTS.

* Fix a typo.

* Minor fixes.
 2022-02-07 18:37:36 +08:00
Wei Kang
35ecd7e562
Fix torch.nn.Embedding error for torch below 1.8.0 (#198) 2022-02-06 21:59:54 +08:00
Wei Kang
5ae80dfca7
Minor fixes (#193) 2022-01-27 18:01:17 +08:00
Fangjun Kuang
d6050eb02e Fix calling optimized_transducer after new release. (#182) 2022-01-21 08:18:50 +08:00
Fangjun Kuang
f94ff19bfe
Refactor beam search and update results. (#177) 2022-01-18 16:40:19 +08:00
Fangjun Kuang
4c1b3665ee
Use optimized_transducer to compute transducer loss. (#162) 
* WIP: Use optimized_transducer to compute transducer loss.

* Minor fixes.

* Fix decoding.

* Fix decoding.

* Add RESULTS.

* Update RESULTS.

* Update CI.

* Fix sampling rate for yesno recipe.
 2022-01-10 11:54:58 +08:00
Fangjun Kuang
14c93add50
Remove batchnorm, weight decay, and SOS from transducer conformer encoder (#155) 
* Remove batchnorm, weight decay, and SOS.

* Make --context-size configurable.

* Update results.
 2021-12-27 16:01:10 +08:00
Fangjun Kuang
8187d6236c
Minor fix to maximum number of symbols per frame for RNN-T decoding. (#157) 
* Minor fix to maximum number of symbols per frame RNN-T decoding.

* Minor fixes.
 2021-12-24 21:48:40 +08:00
Fangjun Kuang
fb6a57e9e0
Increase the size of the context in the RNN-T decoder. (#153) 2021-12-23 07:55:02 +08:00
Fangjun Kuang
cb04c8a750
Limit the number of symbols per frame in RNN-T decoding. (#151) 2021-12-18 11:00:42 +08:00
Fangjun Kuang
1d44da845b
RNN-T Conformer training for LibriSpeech (#143) 
* Begin to add RNN-T training for librispeech.

* Copy files from conformer_ctc.

Will edit it.

* Use conformer/transformer model as encoder.

* Begin to add training script.

* Add training code.

* Remove long utterances to avoid OOM when a large max_duraiton is used.

* Begin to add decoding script.

* Add decoding script.

* Minor fixes.

* Add beam search.

* Use LSTM layers for the encoder.

Need more tunings.

* Use stateless decoder.

* Minor fixes to make it ready for merge.

* Fix README.

* Update RESULT.md to include RNN-T Conformer.

* Minor fixes.

* Fix tests.

* Minor fixes.

* Minor fixes.

* Fix tests.
 2021-12-18 07:42:51 +08:00