This dataset is recorded by 452 native Singaporean speakers with a balanced gender. It is rich in content and it covers generic command and control, human-machine interaction, smart home command and control, in-car command and control categories. 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 (read speech):generic category; human-machine interaction category; smart home command and control category; in-car command and control category; numbers. Demographics:452 Singaporeans, with 40% males and 60% females. Device:Android mobile phone, iPhone. Language:English Applications:speech recognition; voiceprint recognition.