A display-mounted high-quality stereo microphone array for high-definition videophone system. - Yusuke Hioka; Manabu Okamoto; Kazunori Kobayashi; Yoichi Haneda; Akitoshi Kataoka (IEEE Trans. Consumer Electron., 2008)

Improving the safety and practicality of authorization technology using LOAF. - Takumi Akahoshi; Manabu Okamoto; Michio Shimomura; Naohisa Komatsu (Digital Identity Management, 2009)

Diffused sensing for sharp directivity microphone array. - Kenta Niwa; Sumitaka Sakauchi; Ken'ichi Furuya; Manabu Okamoto; Yoichi Haneda (ICASSP, 2012)

Superdirective beamforming using microphone array and single reflector. - Kenta Niwa; Sumitaka Sakauchi; Ken'ichi Furuya; Manabu Okamoto; Yoichi Haneda (ICCE, 2012)

Development of wideband handset for high quality IP telephone service trial. - Manabu Okamoto; Ken-ichi Noguchi; Yusuke Hiwasaki; Yoichi Haneda (GCCE, 2014)

Agreement and disagreement utterance detection in conversational speech by extracting and integrating local features. - Atsushi Ando; Taichi Asami; Manabu Okamoto; Hirokazu Masataki; Sumitaka Sakauchi (INTERSPEECH, 2015)

Training data selection for acoustic modeling via submodular optimization of joint kullback-leibler divergence. - Taichi Asami; Ryo Masumura; Hirokazu Masataki; Manabu Okamoto; Sumitaka Sakauchi (INTERSPEECH, 2015)

Trend and Factor Analysis of Office Related Research in LOIS Technical Committee. - Toshihiko Wakahara; Toshitaka Maki; Noriyasu Yamamoto; Akihisa Kodate; Manabu Okamoto; Hiroyuki Nishi (IEICE Trans. Inf. Syst., 2017)

Efficient Building Strategy with Knowledge Distillation for Small-Footprint Acoustic Models. - Takafumi Moriya; Hiroki Kanagawa; Kiyoaki Matsui; Takaaki Fukutomi; Yusuke Shinohara; Yoshikazu Yamaguchi; Manabu Okamoto; Yushi Aono (SLT, 2018)

Self-Adjustable Speech Enhancement and Recognition System. - Tomoko Kawase; Manabu Okamoto; Takaaki Fukutomi; Yamato Takahashi; Ryota Masuda; Takayuki Ootake (ICCE, 2019)

Identifying Link Layer Home Network Topologies Using HTIP. - Yoshiyuki Mihara; Shuichi Miyazaki; Yasuo Okabe; Tetsuya Yamaguchi; Manabu Okamoto (IEICE Trans. Inf. Syst., 2020)

Speech Enhancement Parameter Adjustment to Maximize Accuracy of Automatic Speech Recognition. - Tomoko Kawase; Manabu Okamoto; Takaaki Fukutomi; Yamato Takahashi (IEEE Trans. Consumer Electron., 2020)

Study on Virtual Agents that Encourage You via Networks. - Manabu Okamoto; Haruka Miura; Shin-Nosuke Yamada (HAI, 2023)

Study of directional loudspeaker system using a small linear array consisting of a horn loudspeaker and small loudspeakers. - Manabu Okamoto; Mio Shibata (GCCE, 2024)