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# [THCHS30](http://openslr.elda.org/18/)
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This is the *data part* of the `THCHS30 2015` acoustic data
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& scripts dataset.
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The dataset is described in more detail in the paper ``THCHS-30 : A Free
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Chinese Speech Corpus`` by Dong Wang, Xuewei Zhang.
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A paper (if it can be called a paper) 13 years ago regarding the database:
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Dong Wang, Dalei Wu, Xiaoyan Zhu, ``TCMSD: A new Chinese Continuous Speech Database``,
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International Conference on Chinese Computing (ICCC'01), 2001, Singapore.
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The layout of this data pack is the following:
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``data``
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``*.wav``
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audio data
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``*.wav.trn``
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transcriptions
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``{train,dev,test}``
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contain symlinks into the ``data`` directory for both audio and
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transcription files. Contents of these directories define the
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train/dev/test split of the data.
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``{lm_word}``
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``word.3gram.lm``
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trigram LM based on word
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``lexicon.txt``
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lexicon based on word
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``{lm_phone}``
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``phone.3gram.lm``
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trigram LM based on phone
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``lexicon.txt``
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lexicon based on phone
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``README.TXT``
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this file
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Data statistics
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===============
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Statistics for the data are as follows:
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=========== ========== ========== ===========
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**dataset** **audio** **#sents** **#words**
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=========== ========== ========== ===========
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train 25 10,000 198,252
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dev 2:14 893 17,743
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test 6:15 2,495 49,085
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=========== ========== ========== ===========
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