E2E/Streaming Transformer/Conformer ASR (#578)
* add cmvn and label smoothing loss layer
* add layer for transformer
* add glu and conformer conv
* add torch compatiable hack, mask funcs
* not hack size since it exists
* add test; attention
* add attention, common utils, hack paddle
* add audio utils
* conformer batch padding mask bug fix #223
* fix typo, python infer fix rnn mem opt name error and batchnorm1d, will be available at 2.0.2
* fix ci
* fix ci
* add encoder
* refactor egs
* add decoder
* refactor ctc, add ctc align, refactor ckpt, add warmup lr scheduler, cmvn utils
* refactor docs
* add fix
* fix readme
* fix bugs, refactor collator, add pad_sequence, fix ckpt bugs
* fix docstring
* refactor data feed order
* add u2 model
* refactor cmvn, test
* add utils
* add u2 config
* fix bugs
* fix bugs
* fix autograd maybe has problem when using inplace operation
* refactor data, build vocab; add format data
* fix text featurizer
* refactor build vocab
* add fbank, refactor feature of speech
* refactor audio feat
* refactor data preprare
* refactor data
* model init from config
* add u2 bins
* flake8
* can train
* fix bugs, add coverage, add scripts
* test can run
* fix data
* speed perturb with sox
* add spec aug
* fix for train
* fix train logitc
* fix logger
* log valid loss, time dataset process
* using np for speed perturb, remove some debug log of grad clip
* fix logger
* fix build vocab
* fix logger name
* using module logger as default
* fix
* fix install
* reorder imports
* fix board logger
* fix logger
* kaldi fbank and mfcc
* fix cmvn and print prarams
* fix add_eos_sos and cmvn
* fix cmvn compute
* fix logger and cmvn
* fix subsampling, label smoothing loss, remove useless
* add notebook test
* fix log
* fix tb logger
* multi gpu valid
* fix log
* fix log
* fix config
* fix compute cmvn, need paddle 2.1
* add cmvn notebook
* fix layer tools
* fix compute cmvn
* add rtf
* fix decoding
* fix layer tools
* fix log, add avg script
* more avg and test info
* fix dataset pickle problem; using 2.1 paddle; num_workers can > 0; ckpt save in exp dir;fix setup.sh;
* add vimrc
* refactor tiny script, add transformer and stream conf
* spm demo; librisppech scripts and confs
* fix log
* add librispeech scripts
* refactor data pipe; fix conf; fix u2 default params
* fix bugs
* refactor aishell scripts
* fix test
* fix cmvn
* fix s0 scripts
* fix ds2 scripts and bugs
* fix dev & test dataset filter
* fix dataset filter
* filter dev
* fix ckpt path
* filter test, since librispeech will cause OOM, but all test wer will be worse, since mismatch train with test
* add comment
* add syllable doc
* fix ds2 configs
* add doc
* add pypinyin tools
* fix decoder using blank_id=0
* mmseg with pybind11
* format code
4 years ago
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FAQ
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-----
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.. _no_phrases:
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如何禁用内置的“词组拼音库”
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++++++++++++++++++++++++++++++++
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设置环境变量 ``PYPINYIN_NO_PHRASES=true`` 即可
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.. _no_dict_copy:
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如何禁用默认的“拼音库”copy 操作
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+++++++++++++++++++++++++++++++++++++++++++
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设置环境变量 ``PYPINYIN_NO_DICT_COPY=true`` 即可.
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副作用: 用户的自定义拼音库出现问题时, 无法回退到自带的拼音库.
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.. _limit_memory:
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如何减少内存占用
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+++++++++++++++++++++
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如果对拼音正确性不在意的话，可以按照上面所说的设置环境变量 ``PYPINYIN_NO_PHRASES``
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和 ``PYPINYIN_NO_DICT_COPY`` 详见 `#13`_
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.. _initials_problem:
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``INITIALS`` 声母风格下，以 ``y``, ``w``, ``yu`` 开头的汉字返回空字符串
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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比如：
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.. code:: python
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pinyin('火影忍者', style=Style.INITIALS)
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[['h'], [''], ['r'], ['zh']]
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因为 ``y``, ``w``, ``yu`` 都不是声母。参考:
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`hotoo/pinyin#57 <https://github.com/hotoo/pinyin/issues/57>`__,
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`#22 <https://github.com/mozillazg/python-pinyin/pull/22>`__,
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`#27 <https://github.com/mozillazg/python-pinyin/issues/27>`__,
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`#44 <https://github.com/mozillazg/python-pinyin/issues/44>`__
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声母风格（INITIALS）下，“雨”、“我”、“圆”等汉字返回空字符串，因为根据
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`《汉语拼音方案》 <http://www.moe.edu.cn/s78/A19/yxs_left/moe_810/s230/195802/t19580201_186000.html>`__ ，
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y，w，ü (yu) 都不是声母，在某些特定韵母无声母时，才加上 y 或 w，而 ü 也有其特定规则。
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如果你觉得这个给你带来了麻烦，那么也请小心一些无声母的汉字（如“啊”、“饿”、“按”、“昂”等）。
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这时候你也许需要的是首字母风格（FIRST_LETTER）。 —— @hotoo
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如果觉得这个行为不是你想要的，就是想把 y 当成声母的话，可以指定 ``strict=False`` ， 这个可能会符合你的预期。详见 `strict 参数的影响`_
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.. _#13: https://github.com/mozillazg/python-pinyin/issues/113
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.. _strict 参数的影响: https://pypinyin.readthedocs.io/zh_CN/master/usage.html#strict
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