Information retrieval based on speech recognition results. - Masatoshi Watanabe; Masahide Sugiyama (INTERSPEECH, 2002)

Noise Reduction System Based on LPEF and System Identification with Variable Step Size. - Naoto Sasaoka; Masatoshi Watanabe; Yoshio Itoh; Kensaku Fujii (ISCAS, 2007)

A Variable Step Size Algorithm for Speech Noise Reduction Method Based on Noise Reconstruction System. - Naoto Sasaoka; Masatoshi Watanabe; Yoshio Itoh; Kensaku Fujii (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)