A 2.4 kbps variable bit rate ADP-CELP speech coder. - Masahiro Oshikiri; Masami Akamine (ICASSP, 1998)

Efficient spectrum coding for super-wideband speech and its application to 7/10/15 kHz bandwidth scalable coders. - Masahiro Oshikiri; Hiroyuki Ehara; Koji Yoshida (ICASSP (1), 2004)

Predictive VQ for Bandwidth Scalable LSP Quantization. - Hiroyuki Ehara; Toshiyuki Morii; Masahiro Oshikiri; Koji Yoshida (ICASSP (1), 2005)

Design of bandwidth scalable LSF quantization using interframe and intraframe prediction. - Hiroyuki Ehara; Toshiyuki Morii; Masahiro Oshikiri; Koji Yoshida; Kouichi Honma (INTERSPEECH, 2005)

An 8-32 kbit/s scalable wideband coder extended with MDCT-based bandwidth extension on top of a 6.8 kbit/s narrowband CELP coder. - Masahiro Oshikiri; Hiroyuki Ehara; Toshiyuki Morii; Tomofumi Yamanashi; Kaoru Satoh; Koji Yoshida (INTERSPEECH, 2007)

ITU-T EV-VBR: A robust 8-32 kbit/s scalable coder for error prone telecommunications channels. - Tommy Vaillancourt; Milan Jelinek; Ali Erdem Ertan; Jacek Stachurski; Anssi Rämö; Lasse Laaksonen; Jon Gibbs; Udar Mittal; Stefan Bruhn; Volodya Grancharov; Masahiro Oshikiri; Hiroyuki Ehara; et al. (EUSIPCO, 2008)

Superwideband extension of g.718 and g.729.1 speech codecs. - Lasse Laaksonen; Mikko Tammi; Vladimir Malenovsky; Tommy Vaillancourt; Mi Suk Lee; Tomofumi Yamanashi; Masahiro Oshikiri; Claude Lamblin; Balázs Kövesi; Lei Miao 004; Deming Zhang; Jon Gibbs; et al. (INTERSPEECH, 2010)

Low Bit-Rate High-Quality Audio Encoding and Low Complexity Bandwidth Extension Technologies for ITU-T G.718/G.718-SWB. - Tomofumi Yamanashi; Masahiro Oshikiri; Hiroyuki Ehara (ICC, 2011)