This corpus was recorded in a quiet office/home environment over 4 channels and collected from a total of 198 speakers, including 85 males and 113 females, all of whom have been carefully screened to ensure their standard and clear pronunciation. The audio scripts cover information such as news and daily dialogues. Speech samples are stored as a sequence of 16-bit 44.1kHz for a total of 104.3 hours of speech per channel.