VCV Segmentation and phoneme recognition in continuous speech. - Nobuo Hataoka; Akio Amano; Shun'ichi Yajima; Hirohide En'doh (ICASSP, 1986)

Speech coding method using fuzzy vector quantization. - Yoshiaki Asakawa; Akira Ichikawa; Shun'ichi Yajima; Katsuya Yamasaki (ICASSP, 1989)

New spectrum interpolation method for improving quality of synthesized speech. - Takashi Endo; Shun'ichi Yajima (ICSLP, 1994)