Adaptive DPCM for broadcast-quality TV transmission of composite NTSC signal. - Toru Shibuya; Norio Suzuki; Noboru Kawayachi; Toshio Koga (VCIP, 1993)

Differences in the effect of time-expanded and time-contracted speech on intelligibility by phonetic feature. - Toru Shibuya; Yosuke Kobayashi; Hitomi Watanabe; Kazuhiro Kondo (ICASSP, 2012)