1216 Commits

Author SHA1 Message Date
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
Wei Kang
76a51bf037
Fix aishell tdnn_lstm_ctc decoding (#149) 2021-12-14 14:42:58 +08:00
Wei Kang
a183d5bfd7
Remove batchnorm (#147)
* Remove batch normalization

* Minor fixes

* Fix typo

* Fix comments

* Add assertion for use_feat_batchnorm
2021-12-14 08:20:03 +08:00
Fangjun Kuang
95af039733
RNN-T training for yesno. (#141)
* RNN-T training for yesno.

* Rename Jointer to Joiner.
2021-12-07 21:44:37 +08:00
Fangjun Kuang
1aff64b708
Apply layer normalization to the output of each gate in LSTM/GRU. (#139)
* Apply layer normalization to the output of each gate in LSTM.

* Apply layer normalization to the output of each gate in GRU.

* Add projection support to LayerNormLSTMCell.

* Add GPU tests.

* Use typeguard.check_argument_types() to validate type annotations.

* Add typeguard as a requirement.

* Minor fixes.

* Fix CI.

* Fix CI.

* Fix test failures for torch 1.8.0

* Fix errors.
2021-12-07 18:38:03 +08:00
pingfengluo
d1adc25338
Update AIShell recipe result (#140)
* add MMI to AIShell

* fix MMI decode graph

* export model

* typo

* fix code style

* typo

* fix data prepare to just use train text by uid

* use a faster way to get the intersection of train and aishell_transcript_v0.8.txt

* update AIShell result

* update

* typo
2021-12-04 14:43:04 +08:00
pingfengluo
89b84208aa
add phone based LF-MMI training to AIShell recipe (#137)
* add MMI to AIShell

* fix MMI decode graph

* export model

* typo

* fix code style

* typo
2021-12-02 12:32:23 +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
Fangjun Kuang
243fb9723c
Fix an error introduced while supporting torchscript. (#134)
Should be `G.dummy = 1`, not `G["dummy"] = 1`.
2021-11-27 09:07:04 +08:00
Fangjun Kuang
0e541f5b5d
Print hostname and IP address to the log. (#131)
We are using multiple machines to do various experiments. It makes
life easier to know which experiment is running on which machine
if we also log the IP and hostname of the machine.
2021-11-26 11:25:59 +08:00
LIyong.Guo
00e2f0ade8
Draft streaming decoding (#89)
* reusable parts from conformer_ctc

* streaming conformer code

* a trained model
2021-11-24 19:35:18 +08:00
Piotr Żelasko
8eb94fa4a0 CTC-only phone conformer recipe for LibriSpeech 2021-11-23 15:34:46 -05:00
Lucky Wong
769a9791ec
Fix no attribute 'data' error. (#129) 2021-11-22 18:31:04 +08:00
Wei Kang
e2c9c728d9
Update aishell tensorboard log for new LabelSmoothing loss (#128)
* Update aishell tensorboard log for new LabelSmoothing loss

* Minor fixes
2021-11-22 12:26:44 +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
Wei Kang
30c43b7f69
Add aishell recipe (#30)
* 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
2021-11-18 10:00:47 +08:00
Fangjun Kuang
0660d12e4e
Fix computing WERs for empty hypotheses (#118)
* Fix computing WERs when empty lattices are generated.

* Minor fixes.
2021-11-17 19:25:47 +08:00
Fangjun Kuang
336283f872
New label smoothing (#109)
* Modify label smoothing to match the one implemented in PyTorch.

* Enable CI for torch 1.10

* Fix CI errors.

* Fix CI installation errors.

* Fix CI installation errors.

* Minor fixes.

* Minor fixes.

* Minor fixes.

* Minor fixes.

* Minor fixes.

* Fix CI errors.
2021-11-17 19:24:07 +08:00
Mingshuang Luo
10e46f3e1d
A little changes for timit recipe (#122)
* Update train.py

* Update train.py

* Update train.py

* Update tdnn_ligru_ctc.rst
2021-11-17 16:13:51 +08:00
Mingshuang Luo
2e0f255ada
Add timit recipe (including the code scripts and the docs) for icefall (#114)
* add timit recipe for icefall

* add shared file

* update the docs for timit recipe

* Delete shared

* update the timit recipe and check style

* Update model.py

* Do some changes

* Update model.py

* Update model.py

* Add README.md and RESULTS.md

* Update RESULTS.md

* Update README.md

* update the docs for timit recipe
2021-11-17 11:23:45 +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
Daniel Povey
b9452235d5
Merge pull request #117 from csukuangfj/fix-empty-lattice
Handle empty lattices in attention decoder rescoring.
2021-11-11 16:26:02 +08:00
Fangjun Kuang
5b10310bd1 Handle empty lattices in attention decoder rescoring. 2021-11-11 15:42:30 +08:00
Fangjun Kuang
8d679c3e74
Fix typos. (#115) 2021-11-10 14:45:30 +08:00
Fangjun Kuang
21096e99d8
Update result for the librispeech recipe using vocab size 500 and att rate 0.8 (#113)
* Update RESULTS using vocab size 500, att rate 0.8

* Update README.

* Refactoring.

Since FSAs in an Nbest object are linear in structure, we can
add the scores of a path to compute the total scores.

* Update documentation.

* Change default vocab size from 5000 to 500.
2021-11-10 14:32:52 +08:00
Fangjun Kuang
04029871b6
Fix a bug in Nbest.compute_am_scores and Nbest.compute_lm_scores. (#111) 2021-11-09 13:44:51 +08:00
Fangjun Kuang
91cfecebf2
Remove duplicated token seq in rescoring. (#108)
* Remove duplicated token seq in rescoring.

* Use a larger range for ngram_lm_scale and attention_scale
2021-11-06 08:54:45 +08:00
Fangjun Kuang
810b193dcc
Clarify the doc about ctc-decoding. (#104) 2021-11-03 07:16:49 +08:00
Fangjun Kuang
42b437bea6
Use pre-sorted text to generate token ids for attention decoder. (#98)
* Use pre-sorted text to generate token ids for attention decoder.

See https://github.com/k2-fsa/icefall/issues/97
for more details.

* Fix typos.
2021-10-29 13:46:41 +08:00
Fangjun Kuang
12d647d899
Add a note about the CUDA OOM error. (#94)
* Add a note about the CUDA OOM error.

Some users consider this kind of OOM as an error during decoding,
but actually it is not. This pull request clarifies that.

* Fix style issues.
2021-10-29 12:17:56 +08:00
Fangjun Kuang
8cb7f712e4
Use GPU for averaging checkpoints if possible. (#84) 2021-10-26 17:10:04 +08:00
Fangjun Kuang
712ead8207
Fix an error when attention decoder rescoring returns None. (#90) 2021-10-22 19:52:25 +08:00
Piotr Żelasko
902e0b238d
Merge pull request #82 from pzelasko/feature/find-pessimistic-batches
Find CUDA OOM batches before starting training
2021-10-19 11:26:13 -04:00
Piotr Żelasko
3cc99d2af2 make flake8 happy 2021-10-19 11:24:54 -04:00
cdxie
d30244e28f
add a docker file for some users (#87)
* add a docker file for some users

Ubuntu18.04-pytorch1.7.1-cuda11.0-cudnn8-python3.8

* add a describing file of how to use dockerfile

give some steps to use dockerfile
2021-10-19 13:00:59 +08:00
Piotr Żelasko
86f3e0ef37 Make flake8 happy 2021-10-18 09:54:40 -04:00
Piotr Żelasko
6fbd7a287c Refactor OOM batch scanning into a local function 2021-10-18 09:53:04 -04:00
Piotr Żelasko
d509d58f30 Merge branch 'master' into feature/find-pessimistic-batches 2021-10-18 09:47:21 -04:00
Fangjun Kuang
3effcb4225
Fix typos. (#85) 2021-10-18 16:17:14 +08:00
Fangjun Kuang
53b79fafa7
Add MMI training with word pieces as modelling unit. (#6)
* Fix an error in TDNN-LSTM training.

* WIP: Refactoring

* Refactor transformer.py

* Remove unused code.

* Minor fixes.

* Fix decoder padding mask.

* Add MMI training with word pieces.

* Remove unused files.

* Minor fixes.

* Refactoring.

* Minor fixes.

* Use pre-computed alignments in LF-MMI training.

* Minor fixes.

* Update decoding script.

* Add doc about how to check and use extracted alignments.

* Fix style issues.

* Fix typos.

* Fix style issues.

* Disable macOS tests for now.
2021-10-18 15:20:32 +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
Jan "yenda" Trmal
bd7c2f7645
fix conformer typo in docs (#83) 2021-10-16 07:46:17 +08:00
Piotr Żelasko
403d1744ff Introduce backprop in finding OOM batches 2021-10-15 10:05:13 -04:00
Piotr Żelasko
060117a9ff Reformatting 2021-10-14 21:40:14 -04:00
Piotr Żelasko
1c7c79f2fc Find CUDA OOM batches before starting training 2021-10-14 21:28:11 -04:00
Fangjun Kuang
fee1f84b20
Test pre-trained model in CI (#80)
* Add CI to run pre-trained models.

* Minor fixes.

* Install kaldifeat

* Install a CPU version of PyTorch.

* Fix CI errors.

* Disable decoder layers in pretrained.py if it is not used.

* Clone pre-trained model from GitHub.

* Minor fixes.

* Minor fixes.

* Minor fixes.
2021-10-15 00:41:33 +08:00
Mingshuang Luo
5401ce199d
Update ctc-decoding on pretrained.py and conformer_ctc.rst (#78) 2021-10-14 23:29:06 +08:00
Fangjun Kuang
f2387fe523
Fix a bug introduced while supporting torch script. (#79) 2021-10-14 20:09:38 +08:00
Fangjun Kuang
5016ee3c95
Give an informative message when users provide an unsupported decoding method (#77) 2021-10-14 16:20:35 +08:00