* clean dependencies

* update paddleaudio's version

* rm dependency in librosa and paddlenlp

* rm dependency in paddlepaddle

* rm dependency in speech_web

* Avoid using variable "attn_loss" before assignment

* Update tacotron2_updater.py

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

* add diffusion module for training diffsinger

* add wavenet denoiser final conv initializer

* rm protobuf in setup.py && rm audio's dependances in setup.py

soft link for shell in example, add skip_copy_wave in norm stage of GANVocoders to save disk

* Update README.md

* Update README_cn.md

* 添加.history

* [tts]添加中英混合语音合成时对中文SSML的支持

* add asr code-switch cli and demo.

* fix some model named problem.

* fix paddleaudio import fail

* add tal_cs asr recipe.

* add readme and result, and fix some bug.

* add commit id and date.

* replace kaldi_fbank with kaldi-native-fbank in paddleaudio

* fix mac

* updata readme, test=doc

* update yaml and readme, test=tts

* fix batch_size, test=tts

* update readme, test=doc

* chmod, test=tts

* add multi-spk tts static model infer on server, test=tts

Fix libsndfile.so not found