Takehiro MORIYA


Multichannel Linear Prediction Method Compliant with the MPEG-4 ALS
Yutaka KAMAMOTO Noboru HARADA Takehiro MORIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/03/01
Vol. E91-A  No. 3  pp. 756-762
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing for Audio and Visual Systems and Its Implementations)
Category: Audio Coding
Keyword: 
linear predictive codingmultichannel signallossless compression and MPEG-4 ALS
 Summary | Full Text:PDF(399.6KB)

Lossless Scalable Audio Coding and Quality Enhancement
Takehiro MORIYA Akio JIN Takeshi MORI Kazunaga IKEDA Takao KANEKO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/03/01
Vol. E86-D  No. 3  pp. 425-429
Type of Manuscript:  Special Section PAPER (Special Issue on Speech Information Processing)
Category: Speech and Audio Coding
Keyword: 
losslessaudio codingscalableMPEG-4
 Summary | Full Text:PDF(372.9KB)

A Remote Auscultation Support System Using Network
Takao KANEKO Takehiro MORIYA Naoki IWAKAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/08/01
Vol. E84-D  No. 8  pp. 1102-1111
Type of Manuscript:  PAPER
Category: Medical Engineering
Keyword: 
network telemedicineremote auscultationbreath soundheart sound
 Summary | Full Text:PDF(1.5MB)

Comparison of Two Speech and Audio Coders at 8 kb/s from the Viewpoints of Coding Scheme and Quality
Nobuhiko KITAWAKI Takehiro MORIYA Takao KANEKO Naoki IWAKAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/11/25
Vol. E81-B  No. 11  pp. 2007-2012
Type of Manuscript:  Special Section PAPER (Special Issue on Performance and Quality of Service (QoS) of Multimedia Networks)
Category: Media Management
Keyword: 
TwinVQCS-ACELPG. 729coding qualityInternet
 Summary | Full Text:PDF(539.9KB)

Improved CELP-Based Coding in a Noisy Environment Using a Trained Sparse Conjugate Codebook
Akitoshi KATAOKA Sachiko KURIHARA Shinji HAYASHI Takehiro MORIYA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/02/25
Vol. E79-D  No. 2  pp. 123-129
Type of Manuscript:  PAPER
Category: Speech Processing and Acoustics
Keyword: 
CELP codingconjugae fixed codebooktrained sparse codebookspeech quality in a noisy environment
 Summary | Full Text:PDF(626.7KB)

Pitch Synchronous Innovation CELP (PSI-CELP)
Takehiro MORIYA Satoshi MIKI Kazunori MANO Hitoshi OHMURO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/07/25
Vol. E76-A  No. 7  pp. 1177-1180
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Spring Conference)
Category: 
Keyword: 
speech codingCELPpitch-synchronous-innovationcellular radio
 Summary | Full Text:PDF(230.7KB)

Coding of LSP Parameters Using Interframe Moving Average Prediction and Multi-Stage Vector Quantization
Hitoshi OHMURO Takehiro MORIYA Kazunori MANO Satoshi MIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/07/25
Vol. E76-A  No. 7  pp. 1181-1183
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Spring Conference)
Category: 
Keyword: 
speech codingLSPvector quantizationCELPinterframe correlationmobile telephonecellular radio
 Summary | Full Text:PDF(235.3KB)