1006 Japanese native speakers participated in the recording, coming from eastern, western, and Kyushu regions, while the eastern region accounting for the largest proportion. The recording content is rich and all texts have been manually transcribed with high accuracy. Format:16kHz, 16bit, uncompressed wav, mono channel Recording environment:quiet indoor environment, without echo Recording Content(read speech):common sentences Speaker:1,006 people from Japan; 56% of which are female Device:Android mobile phone: iPhone Language:Japanese Annotation Feature:text Accuracy rate:95% Application scenario:speech recognition; voiceprint recognition