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12 Commits

Author SHA1 Message Date
Fangjun Kuang
aeb8986e35
Ignore padding frames during RNN-T decoding. (#358) 
* Ignore padding frames during RNN-T decoding.

* Fix outdated decoding code.

* Minor fixes.
 2022-05-13 07:39:14 +08:00
Fangjun Kuang
ac84220de9
Modified conformer with multi datasets (#312) 
* Copy files for editing.

* Use librispeech + gigaspeech with modified conformer.

* Support specifying number of workers for on-the-fly feature extraction.

* Feature extraction code for GigaSpeech.

* Combine XL splits lazily during training.

* Fix warnings in decoding.

* Add decoding code for GigaSpeech.

* Fix decoding the gigaspeech dataset.

We have to use the decoder/joiner networks for the GigaSpeech dataset.

* Disable speed perturbe for XL subset.

* Compute the Nbest oracle WER for RNN-T decoding.

* Minor fixes.

* Minor fixes.

* Add results.

* Update results.

* Update CI.

* Update results.

* Fix style issues.

* Update results.

* Fix style issues.
 2022-04-29 15:40:30 +08:00
Wei Kang
021c79824e
Add LG decoding (#277) 
* Add LG decoding

* Add log weight pushing

* Minor fixes
 2022-04-19 17:23:46 +08:00
Mingshuang Luo
8cb727e24a
Tedlium3 pruned transducer stateless (#261) 
* update tedlium3-pruned-transducer-stateless-codes

* update README.md

* update README.md

* add fast beam search for decoding

* do a change for RESULTS.md

* do a change for RESULTS.md

* do a fix

* do some changes for pruned RNN-T
 2022-04-11 17:08:53 +08:00
Fangjun Kuang
87cf9231ea
Support specifying iteration number of checkpoints for decoding. (#289) 2022-04-03 13:02:08 +08:00
Fangjun Kuang
395a3f952b
Batch decoding for models trained with optimized_transducer (#267) 
* Add greedy search in batch mode.
* Add modified beam search in batch mode.
 2022-03-23 19:11:34 +08:00
Fangjun Kuang
8c7995d493
Support modified beam search in batch mode. (#264) 
* Support modified beam search in batch mode.
* Update k2 versions in GitHub CI.
 2022-03-22 15:14:04 +08:00
Fangjun Kuang
d5c78a2238
Implement greedy search in batch mode for transducer decoding. (#262) 2022-03-22 10:32:22 +08:00
Wei Kang
b2b4d9e0b6
Add fast beam search decoding (#250) 
* Add fast beam search decoding

* Minor fixes

* Minor fixes

* Minor fixes

* Fix comments

* Fix comments
 2022-03-21 16:22:25 +08:00
Fangjun Kuang
ae564f91e6
Periodically saving checkpoint after processing given number of batches (#259) 
* Periodically saving checkpoint after processing given number of batches.
 2022-03-20 23:51:33 +08:00
Fangjun Kuang
bb7f6ed6b7
Add modified beam search for pruned rnn-t. (#248) 
* Add modified beam search for pruned rnn-t.

* Fix style issues.

* Update RESULTS.md.

* Fix typos.

* Minor fixes.

* Test the pre-trained model using GitHub actions.

* Let the user install optimized_transducer on her own.

* Fix errors in GitHub CI.
 2022-03-12 16:16:55 +08:00
Wei Kang
b702281e90
Use k2 pruned transducer loss to train conformer-transducer model (#194) 
* Using k2 pruned version transducer loss to train model

* Fix style

* Minor fixes
 2022-02-17 13:33:54 +08:00