* librispeech hubert, test=asr

* librispeech hubert, test=asr

* hubert decode

* review

* copyright, notes, example related

* hubert cli

* pre-commit format

* fix conflicts

* fix conflicts

* doc related

* doc and train config

* librispeech.py

* support hubert cli

This reverts commit 6e0044be.

*merge develop into speechx

* move s2t data preprocess into paddlespeech.dataset

* avg model, compute wer, format rsl into paddlespeech.dataset

* fix format rsl

* fix avg ckpts

Signed-off-by: Yulv-git <yulvchi@qq.com>

* iSTFTNet implementation based on hifigan, not affect the function and execution of HIFIGAN

* modify the comment in iSTFT.yaml

* add the comments in hifigan

* iSTFTNet implementation based on hifigan, not affect the function and execution of HIFIGAN

* modify the comment in iSTFT.yaml

* add the comments in hifigan

* add iSTFTNet.md

* modify the format of iSTFTNet.md

* modify iSTFT.yaml and hifigan.py

* Format code using pre-commit

* modify hifigan.py,delete the unused self.istft_layer_id , move the self.output_conv behind else, change conv_post to output_conv

* update iSTFTNet_csmsc_ckpt.zip download link

* modify iSTFTNet.md

* modify hifigan.py and iSTFT.yaml

* modify iSTFTNet.md

* add starganv2 vc trainer

* fix StarGANv2VCUpdater and losses

* fix StarGANv2VCEvaluator

* add some typehint

* add squeezeformer model

* change CodeStyle, test=asr

* change CodeStyle, test=asr

* fix subsample rate error, test=asr

* merge classes as required, test=asr

* change CodeStyle, test=asr

* fix missing code, test=asr

* split code to new file, test=asr

* remove rel_shift, test=asr

* add opencpop voc, test=tts

* soft link

* add opencpop hifigan, test=tts

* update

* mv dataio.py to s2t.io.speechbrain.dataio

mv dataio.py to paddlespeech.s2t.io.speechbrain.dataio

* remove transformers import.

* change optimizer same with released model

* add paddlenlp version in RESULT.md.

* fix run.sh

* fix data.sh step_num.

* add adadelta optimizer config.

* fix wav2vec2 test_wav.sh run error.

* add tokenizer config.

* add opencpop voc, test=tts

* soft link

* Create RESULT.md

* add wav2vec2ASR-large-aishell1 finetune model.

* update model link and add readme.

* fix released model info.

* remove pad op in static model by replace F.pad with nn.Pad1D and nn.Pad2D

* fix variable names

* add note

Co-authored-by: TianYuan <white-sky@qq.com>