Contextual factor analysis of vowel distribution. - Tetsunori Kobayashi; Toshiyuki Matsuda; Kazuhiro Watanabe (EUROSPEECH, 1989)

A 5.6 kb/s speech codec using a pulse codebook and improved Viterbi decoding. - Yoshiaki Asakawa; Hidetoshi Sekine; Makoto Takashima; Nobuyoshi Ishikawa; Toshiyuki Matsuda; Tom Okamoto; Ryujiro Muramatsu (ICASSP (1), 1994)

Peak Reduction Improvement in Iterative Clipping and Filtering with a Graded Band-Limiting Filter for OFDM Transmission. - Toshiyuki Matsuda; Shigeru Tomisato; Masaharu Hata; Hiromasa Fujii; Junichiro Hagiwara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)