Yusuke HIWASAKI


Real-Time Sound Field Transmission System by Using Wave Field Reconstruction Filter and Its Evaluation
Shoichi KOYAMA Ken'ichi FURUYA Hisashi UEMATSU Yusuke HIWASAKI Yoichi HANEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/09/01
Vol. E97-A  No. 9  pp. 1840-1848
Type of Manuscript:  Special Section PAPER (Special Section on Spatial Acoustic Signal Processing and Applications)
Category: 
Keyword: 
sound field reproductionsound field transmissionwave field reconstruction filterwave field synthesisspatio-temporal frequency
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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 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/05/01
Vol. E97-D  No. 5  pp. 1264-1272
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech and audio codingstandardizationITU-T G.711.1 Annex DITU-T G.722 Annex Bsuper-wideband (SWB) extensionalgebraic vector quantization (AVQ)
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A G.711 Embedded Wideband Speech Coding for VoIP Conferences
Yusuke HIWASAKI Hitoshi OHMURO Takeshi MORI Sachiko KURIHARA Akitoshi KATAOKA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/09/01
Vol. E89-D  No. 9  pp. 2542-2552
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
wideband speechVoIPG.711scalable codingMCUpartial mixingtranscoding
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Measuring the Perceived Importance of Speech Segments for Transmission over IP Networks
Yusuke HIWASAKI Toru MORINAGA Jotaro IKEDO Akitoshi KATAOKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2  pp. 326-333
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia QoS Evaluation and Management Technologies)
Category: 
Keyword: 
scalable speech codingmultiple description codingpacket networksVADQoSVoIPestimated MOSlinear regression model
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Design of a Robust LSP Quantizer for a High-Quality 4-kbit/s CELP Speech Coder
Yusuke HIWASAKI Kazunori MANO Kazutoshi YASUNAGA Toshiyuki MORII Hiroyuki EHARA Takao KANEKO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/06/01
Vol. E87-D  No. 6  pp. 1496-1506
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech codingspectral quantizationline spectrum pairsline spectral frequenciessplit vector quantization
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Noise Post-Processing for Low Bit-Rate CELP Coders
Hiroyuki EHARA Kazutoshi YASUNAGA Koji YOSHIDA Yusuke HIWASAKI Kazunori MANO Takao KANEKO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/06/01
Vol. E87-D  No. 6  pp. 1507-1516
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
CELPbackground noisepost-processingframe erasureITU-T
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