Keyword : ADPCM


Information Hiding for G.711 Speech Based on Substitution of Least Significant Bits and Estimation of Tolerable Distortion
Akinori ITO Shun'ichiro ABE Yoiti SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/07/01
Vol. E93-A  No. 7 ; pp. 1279-1286
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech codingdata hidingG.711ADPCMLSB substitution
 Summary | Full Text:PDF(580.8KB)

Bit-Stream-Arranged Weighted Modulation Scheme for Low Delay Spread Frequency Selective Fading Channels
Kiyoshi KOBAYASHI Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7 ; pp. 1452-1458
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
weighted modulationfrequency selective fadingmicro-cell systemADPCMPCM
 Summary | Full Text:PDF(589.1KB)

Bit Significance Selective Frequency Diversity Transmission
Tomoaki KUMAGAI Kiyoshi KOBAYASHI Katsuhiko KAWAZOE Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/03/25
Vol. E81-B  No. 3 ; pp. 545-552
Type of Manuscript:  PAPER
Category: Communication Theory
Keyword: 
frequency diversityspectrum efficiencyfadingADPCM
 Summary | Full Text:PDF(693.6KB)

Voice Activity Detection and Transmission Error Control for Digital Cordless Telephone System
Seishi SASAKI Ichiro MATSUMOTO Osamu WATANABE Kenzo URABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/07/25
Vol. E77-B  No. 7 ; pp. 948-955
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
radio communicationADPCMvoice activity detectioncomfort noisetransmission error control
 Summary | Full Text:PDF(575KB)

Packet Speech Transmission on ATM Networks Using a Variable Rate Embedded ADPCM Coding Scheme
Kazuhiro KONDO Masashi OHNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/04/25
Vol. E76-B  No. 4 ; pp. 420-430
Type of Manuscript:  PAPER
Category: Communication Systems and Transmission Equipment
Keyword: 
source encodingcommunication terminal and equipmentATMspeech packetsADPCM
 Summary | Full Text:PDF(878KB)