Statistical properties of fluctuation of pitch intervals and its modeling for natural synthetic speech. - Tetsunori Kobayashi; Hidetoshi Sekine (ICASSP, 1990)

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)

8 kb/s low-delay speech coding with 4 ms frame size. - Preeti Rao; Yoshiaki Asakawa; Hidetoshi Sekine (ICSLP, 1994)

A system-level power-estimation methodology based on IP-level modeling, power-level adjustment, and power accumulation. - Masafumi Onouchi; Tetsuya Yamada; Kimihiro Morikawa; Isamu Mochizuki; Hidetoshi Sekine (ASP-DAC, 2006)