400 native Japanese speakers involved, balanced for gender. The recording corpus is rich in content, and it covers a wide domain such as generic command and control category, human-machine interaction category, smart home category, in-car category. The transcription corpus has been manually proofread to ensure high accuracy. Format:16kHz, 16bit, uncompressed wav, mono channel. Environment:moderately quiet indoor environment, without echo. Recording content:generic category; human-machine interaction category; smart home command and control category; in-car command and control category; numbers. Demographics:464 Japanese, 53% of which are Female. Device:Android mobile phone, iPhone. Language:English Applications:speech recognition, voiceprint recognition.