It collects 2,034 local Chinese from 26 provinces like Henan, Shanxi, Sichuan, Hunan, Fujian, etc. It is mandarin speech data with heavy accent. The recording contents are finance and economics, entertainment, policy, news, TV, and movies. Format：16kHz, 16bit, uncompressed wav, mono channel. Recording environment：1,288 people complete the recording in relatively quiet indoor environment; and 746 in the normal environment with noise that does not affect the voice recognition Recording content (read speech)：finance; entertainment; policy; news; television; film; digital; music Demographics：2,034 people; 52% are females; people aged from 21-30 account for 51%; people are from 26 provinces including Henan, Shaanxi, Sichuan, Hunan, Fujian, Heilongjiang, Guizhou. Device：Android mobile phone, iPhone. Language：mandarin with heavy local accent Application Scenario：speech recognition; voiceprint recognition Sentence Accuracy Rate：not lower than 98%.