Workshop on Wideband Speech Quality in Terminals and Networks:

Assessment and Prediction

8th and 9th June 2004 - Mainz, Germany

Workshop Programme and Presentations

Opening speech
J. Horrocks - ETSI STQ Chairman

Speech Coders and Quality
 
Comparison of Narrowband and Wideband Speech Codecs in Noisy Environment  [774 KB - .ppt]
Laetitia Gros, Jean-Yves Monfort, Catherine Quinquis - France Telecom, R&D Division

Quality Modelling (contd. on day 2)
 
Perspectives on Multimedia Quality Prediction Methodologies for Advanced Mobile and IP-based Telephony [183 KB - .ppt]
Nobuhiko Kitawaki - University of Tsukuba, Japan
Detailed paper    [224 KB - .pdf]

Wideband Services and Terminals (contd. on day 2)
 
Practical Limitations of Wideband Terminals  [369 KB - .pps]
Carsten Sydow - Siemens AG
Detailed paper    [377 KB - .pdf]
 

Speech Quality Assessment - Subjective and Objective Methods

Subjective Sound Quality Assessment of Mobile Phones for Production Support [412 KB - .ppt]
Thorsten Drascher - Siemens
Detailed paper  [115 KB - .pdf]]

Subjective Wideband Speech Quality and Modelling Issues  [465 KB - .pdf]
A. Rix - Psytechnics

Radiation Directivity of Human and Artificial Speech [1119 KB - .ppt]
Teemu Halkosaari - Helsinki University of Technology
Markus Vaalgamaa - Nokia Technology
Detailed paper  [334 KB - .pdf]

 Speech Quality Assessment for Wideband Communication Scenarios  [327 KB - .pdf]
H.W. Gierlich, S. Völl, P. Jax, F. Kettler - Head Acoustics, RWTH Aachen

A Path Towards Common Quality Assessment of Narrowband and Wideband Voice [250 KB - .ppt]
Trond Ulseth - Telenor R&D

Discussion on Unified Methodologies for the Comparison of Voice Quality of Narrowband and Wideband Scenarios [223 KB - .ppt]
Vincent Barriac, Jean-Yves Le Saout, Catherine Lockwood - France Télécom, R&D Division
Detailed paper [67 KB - .doc]
 

Quality Prediction and Future Perspectives

Quality Modelling (contd.)

Perceptual Wideband Speech and Audio Quality Measurement  [506 KB - .pdf]
A. Rix - Psytechnics

Wideband Services and Terminals (contd.)

Wide Band Speech Introduction into VOIP Solutions [744 KB - .ppt]
Y. Mahieux, G. Derval, D. Deléam - France Telecom, R&D Division

E-Model and Impairment Factors

How Much Better Can Wideband Telephony Be? Estimating the Necessary R-scale Extension [3250KB - .ppt]
Alexander Raake - IKA, Ruhr-University Bochum, Germany

Deriving Equipment Impairment Factors for Wideband Speech Codec  [3752 KB - .pdf]
Sebastian Möller, Alexander Raake - IKA, Ruhr-University Bochum, Germany
Vincent Barriac, Catherine Quinquis - France Télécom R&D, Lannion, France

Discussion
 

Round Table on Future Perspectives and Work Plans

Future work on objective speech quality measurements in ITU-T [128 KB - .ppt]
Jens Berger - Swissqual, Switzerland