Objective speech quality estimation for analog mobile channels: Problems and solutions

Objective speech quality estimation for analog mobile channels: Problems and solutions

This article describes an objective speech quality assessment method developed for the Hungarian NMT-450 cellular mobile telephone system. The method is based on a psychoacoustic front end followed by a cognitive modeling component. Special problems of the NMT system, such as handover (HOV), the eff...

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Veröffentlicht in:International journal of speech technology 2000-12, Vol.3 (3-4), p.277-287
Hauptverfasser: Fegyo, Tibor, Szarvas, Mate, Tatai, Peter, Gordos, Geza
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container_title International journal of speech technology
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creator Fegyo, Tibor
Szarvas, Mate
Tatai, Peter
Gordos, Geza
description This article describes an objective speech quality assessment method developed for the Hungarian NMT-450 cellular mobile telephone system. The method is based on a psychoacoustic front end followed by a cognitive modeling component. Special problems of the NMT system, such as handover (HOV), the effects of automatic gain control (AGC), & the intrusion of signaling noise, are addressed in the cognitive module. Correlation between the subjective & objective quality measures is maximized by finding a transformation that linearizes their relationship. A correlation of 0.95 is achieved on an independent test set between the subjective speech quality & the proposed objective quality measure. 1 Table, 9 Figures, 9 References. Adapted from the source document
doi_str_mv 10.1023/A:1026550713198
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title Objective speech quality estimation for analog mobile channels: Problems and solutions
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