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ORCIDHiroyuki Ehara
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2010 – 2019
- 2015
[c14]Srikanth Nagisetty, Takuya Kawashima, Hiroyuki Ehara, Lasse Laaksonen, Hosang Sung, Kihyun Choo:
Super-wideband fine spectrum quantization for low-rate high-quality MDCT coding mode of the 3GPP EVS codec. GlobalSIP 2015: 647-651- [c13]Martin Dietz, Markus Multrus, Vaclav Eksler, Vladimir Malenovsky, Erik Norvell, Harald Pobloth, Lei Miao, Zhe Wang, Lasse Laaksonen, Adriana Vasilache, Yutaka Kamamoto, Kei Kikuiri, Stéphane Ragot, Julien Faure, Hiroyuki Ehara, Vivek Rajendran, Venkatraman Atti, Hosang Sung, Eunmi Oh, Hao Yuan, Changbao Zhu:
Overview of the EVS codec architecture. ICASSP 2015: 5698-5702 - [c12]Srikanth Nagisetty, Zongxian Liu, Takuya Kawashima, Hiroyuki Ehara, Xuan Zhou, Bin Wang, Zexin Liu, Lei Miao, Jon Gibbs, Lasse Laaksonen, Venkatraman Atti, Vivek Rajendran, Venkatesh Krishnan, Hosang Sung, Kihyun Choo:
Low bit rate high-quality MDCT audio coding of the 3GPP EVS standard. ICASSP 2015: 5883-5887 - 2013
- [c11]Ritsuko Watanabe, Hiroyuki Ehara, Eiji Aoki:
Study and Practice on Information Technology in an Educational Field Using a Cloud Service and SNS. CISIS 2013: 760-765 - 2011
- [c10]Tomofumi Yamanashi, Masahiro Oshikiri, Hiroyuki Ehara:
Low Bit-Rate High-Quality Audio Encoding and Low Complexity Bandwidth Extension Technologies for ITU-T G.718/G.718-SWB. ICC 2011: 1-5
2000 – 2009
- 2008
- [j5]Hiroyuki Ehara, Koji Yoshida:
Decoder Initializing Technique for Improving Frame-Erasure Resilience of a CELP Speech Codec. IEEE Trans. Multim. 10(3): 549-553 (2008) - [c9]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, Dejun Zhang, Fuwei Ma, David Virette, Stéphane Ragot:
ITU-T EV-VBR: A robust 8-32 kbit/s scalable coder for error prone telecommunications channels. EUSIPCO 2008: 1-5 - 2007
- [j4]Hiroyuki Ehara, Toshiyuki Morii, Koji Yoshida:
Predictive vector quantization of wideband LSF using narrowband LSF for bandwidth scalable coders. Speech Commun. 49(6): 490-500 (2007) - [c8]Stéphane Ragot, Balázs Kövesi, Romain Trilling, David Virette, Nicolas Duc, Dominique Massaloux, Stéphane Proust, Bernd Geiser, Martin Gartner, Stefan Schandl, Hervé Taddei, Yang Gao, Eyal Shlomot, Hiroyuki Ehara, Koji Yoshida, Tommy Vaillancourt, Redwan Salami, Mi Suk Lee, Do-Young Kim:
ITU-T G.729.1: AN 8-32 Kbit/S Scalable Coder Interoperable with G.729 for Wideband Telephony and Voice Over IP. ICASSP (4) 2007: 529-532 - [c7]Dominique Massaloux, Romain Trilling, Claude Lamblin, Stéphane Ragot, Hiroyuki Ehara, Mi Suk Lee, Do-Young Kim, Bruno Bessette:
An 8-12 Kbit/S Embedded CELP Coder Interoperable with ITU-T G.729 CIDER: First Stage of the New G.729.1 Standard. ICASSP (4) 2007: 1105-1108 - [c6]Masahiro Oshikiri, Hiroyuki Ehara, Toshiyuki Morii, Tomofumi Yamanashi, Kaoru Satoh, Koji Yoshida:
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. INTERSPEECH 2007: 1701-1704 - 2005
- [j3]Hiroyuki Ehara, Koji Yoshida:
An energy extrapolation-based concealment algorithm for an erased excitation signal. IEEE Signal Process. Lett. 12(5): 411-414 (2005) - [c5]Hiroyuki Ehara, Toshiyuki Morii, Masahiro Oshikiri, Koji Yoshida:
Predictive VQ for Bandwidth Scalable LSP Quantization. ICASSP (1) 2005: 137-140 - [c4]Hiroyuki Ehara, Toshiyuki Morii, Masahiro Oshikiri, Koji Yoshida, Kouichi Honma:
Design of bandwidth scalable LSF quantization using interframe and intraframe prediction. INTERSPEECH 2005: 1493-1496 - 2004
- [j2]Yusuke Hiwasaki, Kazunori Mano, Kazutoshi Yasunaga, Toshiyuki Morii, Hiroyuki Ehara, Takao Kaneko:
Design of a Robust LSP Quantizer for a High-Quality 4-kbit/s CELP Speech Coder. IEICE Trans. Inf. Syst. 87-D(6): 1496-1506 (2004) - [j1]Hiroyuki Ehara, Kazutoshi Yasunaga, Koji Yoshida, Yusuke Hiwasaki, Kazunori Mano, Takao Kaneko:
Noise Post-Processing for Low Bit-Rate CELP Coders. IEICE Trans. Inf. Syst. 87-D(6): 1507-1516 (2004) - [c3]Masahiro Oshikiri, Hiroyuki Ehara, Koji Yoshida:
Efficient spectrum coding for super-wideband speech and its application to 7/10/15 kHz bandwidth scalable coders. ICASSP (1) 2004: 481-484 - 2001
- [c2]Jes Thyssen, Yang Gao, Adil Benyassine, Eyal Shlomot, Carlo Murgia, Huan-yu Su, Kazunori Mano, Yusuke Hiwasaki, Hiroyuki Ehara, Kazutoshi Yasunaga, Claude Lamblin, Balázs Kövesi, Joachim Stegmann, Hong-Goo Kang:
A candidate for the ITU-T 4 kbit/s speech coding standard. ICASSP 2001: 681-684 - 2000
- [c1]Kazutoshi Yasunaga, Hiroyuki Ehara, Koji Yoshida, Toshiyuki Morii:
Dispersed-pulse codebook and its application to a 4 kb/s speech coder. ICASSP 2000: 1503-1506
Coauthor Index
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