More than 1,000 recorders read the specified wake-up words, covering slow, normal, and fast three speeds. Audios are recorded in the professional recording studio using the microphone. Format:48kHz, 16bit, uncompressed wav, mono channel Recording environment:professional recording studio Recording content(read speech):wake-up words Speaker:1,027 Chinese, 52% of which are female Device:microphone Language:Mandarin, English Application scenarios:speech recognition, voiceprint recognition