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39 Commits

Author SHA1 Message Date
Daniel Povey
d187ad8b73 Change max_frames from 0.2 to 0.15 2022-02-11 16:24:17 +08:00
Daniel Povey
4cd2c02fff Fix num_time_masks code; revert 0.8 to 0.9 2022-02-10 15:53:11 +08:00
Daniel Povey
c170c53006 Change p=0.9 to p=0.8 in SpecAug 2022-02-10 14:59:14 +08:00
Daniel Povey
8aa50df4f0 Change p=0.5->0.9, mask_fraction 0.3->0.2 2022-02-09 22:52:53 +08:00
Daniel Povey
dd19a6a2b1 Fix to num_feature_masks bug I introduced; reduce max_frames_mask_fraction 0.4->0.3 2022-02-09 12:02:19 +08:00
Daniel Povey
bd36216e8c Use much more aggressive SpecAug setup 2022-02-08 21:55:20 +08:00
Mingshuang Luo
3323cabf46 Experiments based on SpecAugment change 2022-02-08 14:25:31 +08:00
Fangjun Kuang
ec591698b0
Associate a cut with token alignment (without repeats) (#125) 
* WIP: Associate a cut with token alignment (without repeats)

* Save framewise alignments with/without repeats.

* Minor fixes.
 2021-11-29 18:50:54 +08:00
Wei Kang
4151cca147
Add torch script support for Aishell and update documents (#124) 
* Add aishell recipe

* Remove unnecessary code and update docs

* adapt to k2 v1.7, add docs and results

* Update conformer ctc model

* Update docs, pretrained.py & results

* Fix code style

* Fix code style

* Fix code style

* Minor fix

* Minor fix

* Fix pretrained.py

* Update pretrained model & corresponding docs

* Export torch script model for Aishell

* Add C++ deployment docs

* Minor fixes

* Fix unit test

* Update Readme
 2021-11-19 16:37:05 +08:00
Fangjun Kuang
68506609ad
Set fsa.properties to None after changing its labels in-place. (#121) 2021-11-16 23:11:30 +08:00
Fangjun Kuang
8cb7f712e4
Use GPU for averaging checkpoints if possible. (#84) 2021-10-26 17:10:04 +08:00
Fangjun Kuang
4890e27b45
Extract framewise alignment information using CTC decoding (#39) 
* Use new APIs with k2.RaggedTensor

* Fix style issues.

* Update the installation doc, saying it requires at least k2 v1.7

* Extract framewise alignment information using CTC decoding.

* Print environment information.

Print information about k2, lhotse, PyTorch, and icefall.

* Fix CI.

* Fix CI.

* Compute framewise alignment information of the LibriSpeech dataset.

* Update comments for the time to compute alignments of train-960.

* Preserve cut id in mix cut transformer.

* Minor fixes.

* Add doc about how to extract framewise alignments.
 2021-10-18 14:24:33 +08:00
Mingshuang Luo
391432b356
Update train.py ("10"--->"params.log_interval") (#76) 
* Update train.py

* Update train.py

* Update train.py
 2021-10-12 21:30:31 +08:00
Mingshuang Luo
597c5efdb1
Use LossRecord to record and print the loss for the training process (#62) 
* Update index.rst (AS->ASR)

* Update conformer_ctc.rst (pretraind->pretrained)

* Fix some spelling errors.

* Fix some spelling errors.

* Use LossRecord to record and print loss in the training process

* Change the name "LossRecord" to "MetricsTracker"
 2021-10-12 15:58:03 +08:00
Piotr Żelasko
069ebaf9ba Reformatting 2021-10-09 14:45:46 +00:00
Piotr Żelasko
b682467e4d Use BucketingSampler for dev and test data 2021-10-08 22:32:13 -04:00
Fangjun Kuang
707d7017a7
Support pure ctc decoding requiring neither a lexicon nor an n-gram LM (#58) 
* Rename lattice_score_scale to nbest_scale.

* Support pure CTC decoding requiring neither a lexicion nor an n-gram LM.

* Fix style issues.

* Fix a typo.

* Minor fixes.
 2021-09-26 14:21:49 +08:00
Fangjun Kuang
a80e58e15d
Refactor decode.py to make it more readable and more modular. (#44) 
* Refactor decode.py to make it more readable and more modular.

* Fix an error.

Nbest.fsa should always have token IDs as labels and
word IDs as aux_labels.

* Add nbest decoding.

* Compute edit distance with k2.

* Refactor nbest-oracle.

* Add rescore with nbest lists.

* Add whole-lattice rescoring.

* Add rescoring with attention decoder.

* Refactoring.

* Fixes after refactoring.

* Fix a typo.

* Minor fixes.

* Replace [] with () for shapes.

* Use k2 v1.9

* Use Levenshtein graphs/alignment from k2 v1.9

* [doc] Require k2 >= v1.9

* Minor fixes.
 2021-09-20 15:44:54 +08:00
Wei Kang
24656e9749
Update docs and remove unnecessary arguments (#42) 
* Fix typo in docs

* Update docs and remove unnecessary arguments

* Fix code style
 2021-09-13 18:28:57 +08:00
Fangjun Kuang
f792b466bf
Change default value of lattice-score-scale from 1.0 to 0.5 (#41) 
* Change the default value of lattice-score-scale from 1.0 to 0.5

* Fix CI.
 2021-09-13 10:49:18 +08:00
Fangjun Kuang
7f8e3a673a
Add commands for reproducing. (#40) 
* Add commands for reproducing.

* Use --bucketing-sampler by default.
 2021-09-09 13:50:31 +08:00
Fangjun Kuang
abadc71415
Use new APIs with k2.RaggedTensor (#38) 
* Use new APIs with k2.RaggedTensor

* Fix style issues.

* Update the installation doc, saying it requires at least k2 v1.7

* Use k2 v1.7
 2021-09-08 14:55:30 +08:00
Fangjun Kuang
184dbb3ea5
Add documentation about code style and creating new recipes. (#27) 2021-08-25 14:48:41 +08:00
pkufool
f4223ee110
Add TDNN-LSTM-CTC Results (#25) 
* Add tdnn-lstm pretrained model and results

* Add docs for TDNN-LSTM-CTC

* Minor fix

* Fix typo

* Fix style checking
 2021-08-24 21:09:27 +08:00
Fangjun Kuang
1bd5dcc8ac
WIP: Add doc for the LibriSpeech recipe. (#24) 
* WIP: Add doc for the LibriSpeech recipe.

* Add more doc for LibriSpeech recipe.

* Add more doc for the LibriSpeech recipe.

* More doc.
 2021-08-24 20:28:32 +08:00
Fangjun Kuang
6c2c9b9d74
Add recipe for the yes_no dataset. (#16) 
* Add recipe for the yes_no dataset.

* Refactoring: Remove unused code.

* Add Colab notebook for the yesno dataset.

* Add GitHub actions to run yesno.

* Fix a typo.

* Minor fixes.

* Train more epochs for GitHub actions.

* Minor fixes.

* Minor fixes.

* Fix style issues.
 2021-08-23 11:36:29 +08:00
pkufool
19c4214958
Fix code style and add copyright. (#18) 
* Fix style and add copyright

* Minor fix

* Remove duplicate lines

* Reformat conformer.py by black

* Reformat code style with black.

* Fix github workflows

* Fix lhotse installation

* Install icefall requirements

* Update k2 version, remove lhotse from test workflow
 2021-08-23 10:43:59 +08:00
Fangjun Kuang
8469f9ae0a
Refactor asr_datamodule. (#15) 
* WIP: Refactor asr_datamodule.

* Fixes after review.

* Minor fixes.
 2021-08-21 09:53:46 +08:00
Fangjun Kuang
caa0b9e942
Fix an error in displaying decoding process. (#12) 2021-08-19 14:54:01 +08:00
Fangjun Kuang
12a2fd023e
Add doc about installation and usage (#7) 
* Add readme.

* Add TOC.

* fix typos

* Minor fixes after review.
 2021-08-12 12:44:04 +08:00
Fangjun Kuang
5a0b9bcb23
Refactoring (#4) 
* Fix an error in TDNN-LSTM training.

* WIP: Refactoring

* Refactor transformer.py

* Remove unused code.

* Minor fixes.
 2021-08-04 14:53:02 +08:00
Fangjun Kuang
acc63a9172 WIP: Add BPE training code. 2021-07-29 20:23:52 +08:00
Fangjun Kuang
f65854cca5 Add BPE decoding results. 2021-07-27 17:38:47 +08:00
Fangjun Kuang
d3101fb005 Fix loading checkpoint in DDP training. 2021-07-26 08:08:14 +08:00
Fangjun Kuang
78bb65ed78 Fix an error in DDP training. 2021-07-25 22:33:09 +08:00
Fangjun Kuang
8055bf31a0 Support DDP training. 2021-07-25 21:40:09 +08:00
Fangjun Kuang
4a66712406 Add LM rescoring. 2021-07-25 18:21:26 +08:00
Fangjun Kuang
6f9fe5b906 Refactor decoding code. 2021-07-24 22:23:50 +08:00
Fangjun Kuang
f3542c7793 Add CTC training. 2021-07-24 17:13:20 +08:00