Keyword : speech quality

QoE Estimation Method for Interconnected VoIP Networks Employing Different Codecs
Akira TAKAHASHI Noritsugu EGI Atsuko KURASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12 ; pp. 3572-3578
Type of Manuscript:  PAPER
Category: Network
Keyword: 
VoIP, objective quality assessment, speech quality, subjective quality, QoE, E-model, 
 Summary | Full Text:PDF(787.9KB)
Speech Quality Transmitted by Circuit Multiplication Equipment Optimized for IP-Based Networks (IP-CME)
Hideaki YAMADA Norihiro FUKUMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2 ; pp. 490-499
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
IP-based network, multiplexing, VoIP, speech quality, packet loss, 
 Summary | Full Text:PDF(1.4MB)
Toward QoS Management of VoIP: Experimental Investigation of the Relations between IP Network Performances and VoIP Speech Quality
Hiroki FURUYA Shinichi NOMOTO Hideaki YAMADA Norihiro FUKUMOTO Fumiaki SUGAYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6 ; pp. 1610-1622
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
VoIP, QoS, speech quality, IP network, jitter, 
 Summary | Full Text:PDF(4.4MB)
Methods of Improving the Accuracy and Reproducibility of Objective Quality Assessment of VoIP Speech
Akira TAKAHASHI Masataka MASUDA Atsuko KURASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6 ; pp. 1660-1669
Type of Manuscript:  PAPER
Category: Multimedia Systems
Keyword: 
VoIP, objective quality assessment, speech quality, subjective quality, QoS, 
 Summary | Full Text:PDF(412.4KB)
The Performance of Subjective Speech Quality and BER in a GSM-Based System
Yeon Ho CHUNG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/10/25
Vol. E81-B  No. 10 ; pp. 1944-1945
Type of Manuscript:  LETTER
Category: Mobile Communication
Keyword: 
GSM, speech quality, mean opinion score, BER, 
 Summary | Full Text:PDF(155.5KB)