A 16-kbit/s wideband speech codec scalable with g.729. - Akitoshi Kataoka; Sachiko Kurihara; Shigeaki Sasaki; Shinji Hayashi (EUROSPEECH, 1997)

ITU-t g.729 extension at 6.4 kbps. - Erik Ekudden; Roar Hagen; Björn Johansson; Shinji Hayashi; Akitoshi Kataoka; Sachiko Kurihara (ICSLP, 1998)

Quality assessment for extending ITU-T G.729 Annexes. - Sachiko Kurihara; Akitoshi Kataoka; Shinji Hayashi; Takao Kaneko (Syst. Comput. Jpn., 2005)

A G.711 Embedded Wideband Speech Coding for VoIP Conferences. - Yusuke Hiwasaki; Hitoshi Ohmuro; Takeshi Mori; Sachiko Kurihara; Akitoshi Kataoka (IEICE Trans. Inf. Syst., 2006)

Dual-Mode AVQ Coding Based on Spectral Masking and Sparseness Detection for ITU-T G.711.1/G.722 Super-Wideband Extensions. - Masahiro Fukui; Shigeaki Sasaki; Yusuke Hiwasaki; Sachiko Kurihara; Yoichi Haneda (INTERSPEECH, 2011)

Adaptive Spectral Masking of AVQ Coding and Sparseness Detection for ITU-T G.711.1 Annex D and G.722 Annex B Standards. - Masahiro Fukui; Shigeaki Sasaki; Yusuke Hiwasaki; Kimitaka Tsutsumi; Sachiko Kurihara; Hitoshi Ohmuro; Yoichi Haneda (IEICE Trans. Inf. Syst., 2014)

Subjective Quality Estimation Using PESQ For Hands-Free Terminals. - Sachiko Kurihara; Masahiro Fukui; Suehiro Shimauchi; Noboru Harada (ICASSP, 2020)