I have started my work at "center of intelligent acoustics and immersive communications" of Northwestern Polytechnical University, China. The research work of this center focuses on statistical signal processing and machine learning techniques with applicatoin to acoustics and speech. Several well-known experts have full or partial positions at this center, including Jingdong Chen, Deliang Wang, Susanto Rahardja, Israel Cohen, Jacob Benesty, etc. The center is equiped with fullly anechonic room and other acoustic measurement equipements. Now I am working as the vice dean of the center.