Speech understanding, dialogue management and response generation in corpus-based spoken dialogue system. - Keita Hayashi; Yuki Irie; Yukiko Yamaguchi; Shigeki Matsubara; Nobuo Kawaguchi (INTERSPEECH, 2004)

Piecewise linear circuits operating on first-order multi-level and second-order binary sigma-delta modulated signals. - Keita Hayashi; Tsubasa Katao; Hisato Fujisaka; Takeshi Kamio; Kazuhisa Haeiwa (ECCTD, 2007)

Sorter-based sigma-delta domain arithmetic circuits. - Tsubasa Katao; Keita Hayashi; Hisato Fujisaka; Takeshi Kamio; Kazuhisa Haeiwa (ECCTD, 2007)