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 mixing,  predictive 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: 2000/04/20
Vol. E83-D  No. 4  pp. 870-875
Type of Manuscript: PAPER
Category: Speech and Hearing
Keyword: 
speech coding,  complexity,  high-order prediction,  backward 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: 1995/06/20
Vol. E78-D  No. 6  pp. 758-763
Type of Manuscript: Special Section PAPER (Special Issue on Spoken Language Processing)
Category: 
Keyword: 
speech coding,  pitch prediction,  CELP,  vector 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: 1994/09/20
Vol. E77-B  No. 9  pp. 1114-1121
Type of Manuscript: Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
speech coding,  vector quantization,  speech processing,  dsp,  cellular telephone, 
  Summary |  Full Text:PDF