Toshiyuki NOMURA


A Low Complexity Noise Suppressor with Hybrid Filterbanks and Adaptive Time-Frequency Tiling
Osamu SHIMADA Akihiko SUGIYAMA Toshiyuki NOMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/01/01
Vol. E93-A  No. 1  pp. 254-260
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
speech enhancementnoise suppressionlow complexityhybrid filterbankadaptive time-frequency tiling
 Summary | Full Text:PDF(537.7KB)

A Silence Compression Algorithm for the Multi-Rate Dual-Bandwidth MPEG-4 CELP Standard
Masahiro SERIZAWA Hironori ITO Toshiyuki NOMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/03/01
Vol. E86-D  No. 3  pp. 412-417
Type of Manuscript:  Special Section PAPER (Special Issue on Speech Information Processing)
Category: Speech and Audio Coding
Keyword: 
speech codingCELPsilence compressionVAD
 Summary | Full Text:PDF(2.1MB)

High-Quality and Processor-Efficient Implementation of an MPEG-2 AAC Encoder
Yuichiro TAKAMIZAWA Toshiyuki NOMURA Masao IKEKAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/03/01
Vol. E86-D  No. 3  pp. 418-424
Type of Manuscript:  Special Section PAPER (Special Issue on Speech Information Processing)
Category: Speech and Audio Coding
Keyword: 
MPEG-2 AACaudioencodercompressionSIMD
 Summary | Full Text:PDF(972.2KB)

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(719.9KB)