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15 lines
1.1 KiB
# [Aidatatang_200zh](http://www.openslr.org/62/)
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Aidatatang_200zh is a free Chinese Mandarin speech corpus provided by Beijing DataTang Technology Co., Ltd under Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License.
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The contents and the corresponding descriptions of the corpus include:
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* The corpus contains 200 hours of acoustic data, which is mostly mobile recorded data.
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* 600 speakers from different accent areas in China are invited to participate in the recording.
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* The transcription accuracy for each sentence is larger than 98%.
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* Recordings are conducted in a quiet indoor environment.
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* The database is divided into training set, validation set, and testing set in a ratio of 7: 1: 2.
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* Detail information such as speech data coding and speaker information is preserved in the metadata file.
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* Segmented transcripts are also provided.
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The corpus aims to support researchers in speech recognition, machine translation, voiceprint recognition, and other speech-related fields. Therefore, the corpus is totally free for academic use.
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