Objective Speech Intelligibility Measurement on the Basis of Natural Speech in Combination with Perceptual Modeling

Objective Speech Intelligibility Measurement on the Basis of Natural Speech in Combination with Perceptual Modeling

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 obje...

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Veröffentlicht in:Journal of the Audio Engineering Society 2009-05, Vol.57 (5), p.299-308
Hauptverfasser: Beerends, John G, Buuren, Ronald van, Vugt, Jeroen van, Verhave, Jan
Format: Artikel
Sprache:eng
Schlagworte:
Audition
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Language
Perception
Production and perception of spoken language
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
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Zusammenfassung: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.
ISSN:1549-4950