Front-end improvements to reduce stationary & variable channel and noise distortions in continuous speech recognition tasks. - Xavier Menéndez-Pidal; Ruxin Chen; Duanpei Wu; Mick Tanaka (EUROSPEECH, 1999)

Speech and word detection algorithms for hands-free applications. - Duanpei Wu; Xavier Menéndez-Pidal; Lex Olorenshaw; Ruxin Chen; Mick Tanaka; Mariscela Amador (INTERSPEECH, 2000)

Compensation of channel and noise distortions combining normalization and speech enhancement techniques. - Xavier Menéndez-Pidal; Ruxin Chen; Duanpei Wu; Mick Tanaka (Speech Commun., 2001)