This free Chinese Mandarin speech corpus set is released by Shanghai Primewords Information Technology Co., Ltd.

<p>
The corpus is recorded by smart mobile phones from 296 native Chinese speakers. The transcription accuracy is larger than 98%, at the confidence level of 95%. It is free for academic use.
</p>

<p>
  The mapping between the transcript and utterance is given in JSON format.
</p>

<p>
  You can cite the data using the following BibTeX entry:
  <pre>
    @misc{primewords_201801,
    title={Primewords Chinese Corpus Set 1},
    author={Primewords Information Technology Co., Ltd.},
    year={2018},
    note={\url{https://www.primewords.cn}}
    }
  </pre>
</p>

<p>
CONTACTOR

Yinghui Liu, <a href="mailto:yinghui_liu@primewords.cn">yinghui_liu@primewords.cn</a>
</p>

<p>
External URLs: <a href="https://www.primewords.cn">https://www.primewords.cn</a>
</p>