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85 Commits

Author SHA1 Message Date
Fangjun Kuang
109354b6b8
Add CTC HLG decoding for zipformer (#1287) 2023-10-02 14:00:06 +08:00
Fangjun Kuang
f14b673408
Add HLG decoding with OpenFst on CPU for aishell conformer_ctc (#1279) 2023-10-01 13:46:16 +08:00
Fangjun Kuang
772ee3955b
Support HLG decoding using OpenFst with kaldi decoders (#1275) 2023-09-27 14:49:27 +08:00
Fangjun Kuang
2318c3fbd0
Support CTC decoding on CPU using OpenFst and kaldi decoders. (#1244) 2023-09-26 16:36:19 +08:00
zr_jin
ef5da4824d
formatted the entire LibriSpeech recipe (#1270) 
* formatted the entire librispeech recipe

* minor updates
 2023-09-24 17:31:01 +08:00
zr_jin
a81396b482
Use tokens.txt to replace bpe.model (#1162) 2023-08-12 16:53:59 +08:00
Daniil
b293db4baf
Tedlium3 conformer ctc2 (#696) 
* modify preparation

* small refacor

* add tedlium3 conformer_ctc2

* modify decode

* filter unk in decode

* add scaling converter

* address comments

* fix lambda function lhotse

* add implicit manifest shuffle

* refactor ctc_greedy_search

* import model arguments from train.py

* style fix

* fix ci test and last style issues

* update RESULTS

* fix RESULTS numbers

* fix label smoothing loss

* update model parameters number in RESULTS
 2022-12-13 16:13:26 +08:00
huangruizhe
6693d907d3
shuffle full Librispeech data (#574) 
* shuffled full/partial librispeech data

* fixed the code style issue

* Shuffled full librispeech data off-line

* Fixed style, addressed comments, and removed redandunt codes

* Used the suggested version of black

* Propagated the changes to other folders for librispeech (except
conformer_mmi and streaming_conformer_ctc)
 2022-11-27 11:26:09 +08:00
Desh Raj
d31db01037 manual correction of black formatting 2022-11-17 14:18:05 -05:00
Desh Raj
107df3b115 apply black on all files 2022-11-17 09:42:17 -05:00
Fangjun Kuang
60317120ca
Revert "Apply new Black style changes" 2022-11-17 20:19:32 +08:00
Desh Raj
d110b04ad3 apply new black formatting to all files 2022-11-16 13:06:43 -05:00
Fangjun Kuang
d1f16a04bd
fix type hints for decode.py (#623) 2022-10-18 06:56:12 +08:00
LIyong.Guo
923b60a7c6
padding zeros (#591) 2022-09-28 21:20:33 +08:00
Fangjun Kuang
145c44f710
Use modified ctc topo when vocab size is > 500 (#568) 2022-09-13 10:59:27 +08:00
Wei Kang
5c17255eec
Sort results to make it more convenient to compare decoding results (#522) 
* Sort result to make it more convenient to compare decoding results

* Add cut_id to recognition results

* add cut_id to results for all recipes

* Fix torch.jit.script

* Fix comments

* Minor fixes

* Fix torch.jit.tracing for Pytorch version before v1.9.0
 2022-08-12 07:12:50 +08:00
Zengwei Yao
a4dd273776
fix about tensorboard (#516) 
* fix metricstracker

* fix style
 2022-08-04 19:57:12 +08:00
Jun Wang
d792bdc9bc
fix typo (#445) 2022-06-25 11:00:53 +08:00
ezerhouni
0475d75d15
[Ready to be merged] Add RNN-LM to Conformer-CTC decoding (#439) 2022-06-23 19:37:03 +08:00
Fangjun Kuang
f1abce72f8
Use jsonl for CutSet in the LibriSpeech recipe. (#397) 
* Use jsonl for cutsets in the librispeech recipe.

* Use lazy cutset for all recipes.

* More fixes to use lazy CutSet.

* Remove force=True from logging to support Python < 3.8

* Minor fixes.

* Fix style issues.
 2022-06-06 10:19:16 +08:00
Fangjun Kuang
78b8792d1d
Fix potential bugs in PyTorch that exist in label_smoothing. (#300) 2022-04-08 13:41:33 +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
Wang, Guanbo
70a3c56a18
Fix librispeech train.py (#211) 
* fix librispeech train.py

* remove note
 2022-02-09 16:42:28 +08:00
Piotr Żelasko
1731cc37bb Black 2022-01-24 10:20:22 -05:00
Piotr Żelasko
f92c24a73a
Merge branch 'master' into feature/libri-conformer-phone-ctc 2022-01-24 10:18:56 -05:00
Piotr Żelasko
565c1d8413 Address code review 2022-01-24 10:17:47 -05:00
Piotr Żelasko
1d5fe8afa4 flake8 2022-01-21 17:27:02 -05:00
Piotr Żelasko
f0f35e6671 black 2022-01-21 17:22:41 -05:00
Piotr Żelasko
f28951f2b6 Add an assertion 2022-01-21 17:16:49 -05:00
Piotr Żelasko
3d109b121d Remove train_phones.py and modify train.py instead 2022-01-21 17:08:53 -05:00
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
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
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
Piotr Żelasko
8eb94fa4a0 CTC-only phone conformer recipe for LibriSpeech 2021-11-23 15:34:46 -05:00
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
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
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
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
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
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
3cc99d2af2 make flake8 happy 2021-10-19 11:24:54 -04:00
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