1. Key Laboratory of Speech Acoustics and Content Understanding, Institute of Acoustics, Chinese Academy of Sciences, Beijing, China and University of Chinese Academy of Sciences, Beijing, China
2. School of Information Science and Engineering, Xinjiang University, Urumqi, China
3. Key Laboratory of Speech Acoustics and Content Understanding, Institute of Acoustics, Chinese Academy of Sciences, Beijing, China, University of Chinese Academy of Sciences, Beijing, China and Xinjiang Laboratory of Minority Speech and Language Information Processing, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi, China