Hiroyuki Ehara - researchr alias

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Viewing Publication 1 - 19 from 19

2015

Super-wideband fine spectrum quantization for low-rate high-quality MDCT coding mode of the 3GPP EVS codecSrikanth Nagisetty, Takuya Kawashima, Hiroyuki Ehara, Lasse Laaksonen, Hosang Sung, Kihyun Choo. globalsip 2015: 647-651 [doi]

Low bit rate high-quality MDCT audio coding of the 3GPP EVS standardSrikanth Nagisetty, Zongxian Liu, Takuya Kawashima, Hiroyuki Ehara, Xuan Zhou, Bin Wang, Zexin Liu, Lei Miao 0004, Jon Gibbs, Lasse Laaksonen, Venkatraman Atti, Vivek Rajendran, Venkatesh Krishnan, Hosang Sung, Kihyun Choo. icassp 2015: 5883-5887 [doi]

2013

Study and Practice on Information Technology in an Educational Field Using a Cloud Service and SNSRitsuko Watanabe, Hiroyuki Ehara, Eiji Aoki. cisis 2013: 760-765 [doi]

2011

Low Bit-Rate High-Quality Audio Encoding and Low Complexity Bandwidth Extension Technologies for ITU-T G.718/G.718-SWBTomofumi Yamanashi, Masahiro Oshikiri, Hiroyuki Ehara. icc 2011: 1-5 [doi]

2008

2007

Predictive vector quantization of wideband LSF using narrowband LSF for bandwidth scalable codersHiroyuki Ehara, Toshiyuki Morii, Koji Yoshida. speech, 49(6):490-500, 2007. [doi]

An 8-12 Kbit/S Embedded CELP Coder Interoperable with ITU-T G.729 CIDER: First Stage of the New G.729.1 StandardDominique Massaloux, Romain Trilling, Claude Lamblin, Stéphane Ragot, Hiroyuki Ehara, Mi Suk Lee, Do Young Kim, Bruno Bessette. icassp 2007: 1105-1108 [doi]

An 8-32 kbit/s scalable wideband coder extended with MDCT-based bandwidth extension on top of a 6.8 kbit/s narrowband CELP coderMasahiro Oshikiri, Hiroyuki Ehara, Toshiyuki Morii, Tomofumi Yamanashi, Kaoru Satoh, Koji Yoshida. interspeech 2007: 1701-1704 [doi]

2005

2004

2001

A candidate for the ITU-T 4 kbit/s speech coding standardJes Thyssen, Yang Gao, Adil Benyassine, Eyal Shlomot, Carlo Murgia, Huan-yu Su, Kazunori Mano, Yusuke Hiwasaki, Hiroyuki Ehara, Kazutoshi Yasunaga, Claude Lamblin, Balász Kövesi, Joachim Stegmann, Hong-Goo Kang. icassp 2001: 681-684 [doi]

2000

Dispersed-pulse codebook and its application to a 4 kb/s speech coderKazutoshi Yasunaga, Hiroyuki Ehara, Koji Yoshida, Toshiyuki Morii. icassp 2000: 1503-1506 [doi]

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