To whom correspondence should be addressed. E-mail: pengtanthu@gmail. com Peng Tan, born in 1983. He received his Ph.D degree from the Electronic Engineering Department of Tsinghua University in 21309. He received his B.S. degree (with honor) form Sun Yat-sen University in 2004 and was later directly accepted to Ph. D study without entrance examinations because of excellence. His research interests include audio/speech coding and processing, error-resilient transmission of audio/speech signals, joint source channel coding and modulation.