Kazunori OZAWA


Low Complexity Speech Mixing with Speech Codecs Based on Predictive Coding for Multimedia Conferences
Hironori ITO Kazunori OZAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/07/01
Vol. E92-B  No. 7  pp. 2477-2483
Type of Manuscript:  PAPER
Category: Multimedia Systems for Communications
Keyword: 
speech mixingpredictive coding and CELP
 Summary | Full Text:PDF

A Fast Method of Calculating High-Order Backward LP Coefficients for Wideband CELP Coders
Masahiro SERIZAWA Kazunori OZAWA Atsushi MURASHIMA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/04/25
Vol. E83-D  No. 4  pp. 870-875
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech codingcomplexityhigh-order predictionbackward prediction
 Summary | Full Text:PDF

4 kbps Improved Pitch Prediction CELP Speech Coding with 20 msec Frame
Masahiro SERIZAWA Kazunori OZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/06/25
Vol. E78-D  No. 6  pp. 758-763
Type of Manuscript:  Special Section PAPER (Special Issue on Spoken Language Processing)
Category: 
Keyword: 
speech codingpitch predictionCELPvector quantization
 Summary | Full Text:PDF

M-LCELP Speech Coding at 4kb/s with Multi-Mode and Multi-Codebook
Kazunori OZAWA Masahiro SERIZAWA Toshiki MIYANO Toshiyuki NOMURA Masao IKEKAWA Shin-ichi TAUMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/09/25
Vol. E77-B  No. 9  pp. 1114-1121
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
speech codingvector quantizationspeech processingdspcellular telephone
 Summary | Full Text:PDF