This corpus was recorded in a quiet office/home environment over 3 channels and collected from a total of 300 speakers, including 138 males and 162 females, all of whom have been carefully screened to ensure their standard and clear pronunciation.The audio scripts cover information such as news, daily dialogues and tweets. Speech samples are stored as a sequence of 16-bit 16kHz for a total of 161.47 hours of speech per channel.