增加PaddleBoBo虚拟人应用案例、

修复顿号和英文冒号停顿和分句的问题

修复顿号和英文冒号停顿和分句的问题

[doc]add g2p topic

[tts]fix config, test=tts

* batchsampler or distributebatchsampler

* format

* update timit result, test=doc_fix

* result update

* fix bug

* add triplet loader

* empty preprocess file

* sync to u2, updating

* sync to u2 config

* fix bugs

* code refine

* update config

* customize decoding batch size

* update optimizer and lr scheduler

* minor

* minor

* minor

* fix bugs of refs

* minor

* distributed sampler

* minor

* refine the loader

* add style melgan pretraied model

* add style melgan pretraied model, test=tts
Co-authored-by: NHui Zhang <zhtclz@foxmail.com>

* remve useless conf

* format code

* update conf

* update conf

* update conf

[text]Refactor punc

[CLI][S2T]Remove logging file in cli api.

[tts][demos]fix demos, test=tts

Fix a bug when sentence inputed contain English words

Update Acknowledgement