Joint time delay and pitch estimation for speaker localization. - Lai Yin Ngan; Yuntao Wu; Hing-Cheung So; Pak-Chung Ching; Siu Wa Lee (ISCAS (3), 2003)

Reduced-rank blind adaptive frequency-shift filtering for signal extraction. - Lai Yin Ngan; Shan Ouyang 001; P. C. Ching (ICASSP (2), 2004)