Title :
A Hybrid Signal-and-Link-Parametric Approach to Single-Ended Quality Measurement of Packetized Speech
Author :
Falk, Tiago H. ; Yuan, Hua ; Chan, Wai-Yip
Author_Institution :
Dept. of Electr. & Comput. Eng., Queen´´s Univ., Kingston, Ont.
Abstract :
A hybrid signal-and-link-parametric approach to single-ended quality measurement of packetized speech is proposed. Transmission link parameters are used to determine a base quality for the test signal. The base quality is adjusted by degradation factors calculated from perceptual features extracted from the test signal. The degradation factors are based on Kullback-Leibler distances between a parametric model trained online for the extracted features and reference models of normative speech behavior. The proposed method overcomes the limitations of pure link parametric and pure signal-based methods.
Keywords :
Internet; feature extraction; voice communication; Kullback-Leibler distances; base quality; degradation factors; hybrid signal-and-link-parametric approach; packetized speech; perceptual feature extraction; single-ended quality measurement; Codecs; Degradation; Electric variables measurement; Estimation error; Feature extraction; IP networks; Parametric statistics; Programmable control; Speech; Testing; Kullback-Leibler distance; Quality measurement; VoIP; packet loss concealment;
Conference_Titel :
Acoustics, Speech and Signal Processing, 2007. ICASSP 2007. IEEE International Conference on
Conference_Location :
Honolulu, HI
Print_ISBN :
1-4244-0727-3
Electronic_ISBN :
1520-6149
DOI :
10.1109/ICASSP.2007.367044
