Because the subjective evaluation of speech intelligibility in degraded communications systems is very time consuming, an objective measure would be a valuable tool. This paper shows that a simple extension of ITU-T Recommendation P.862 achieves at least a 0.8 correlation between subjective and objective intelligibility scores. Additional enhancements raised the correlation to around 0.9. Tests used CVC words embedded in a carrier sentence in the subjective test and a concatenated CVC string in the objective PESQ measurements.
Authors:
Beerends, John G.; Buuren, Ronald van; Vugt, Jeroen van; Verhave, Jan
Affiliations:
TNO Information and Communication Technology, Delft, The Netherlands; TNO Human Factors, Soesterberg, The Netherlands(See document for exact affiliation information.)
JAES Volume 57 Issue 5 pp. 299-308; May 2009
Publication Date:
May 28, 2009
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