Perceptual analysis in different voice samples: agreement and reliability

The objective of this study was to estimate the agreement and reliability of voice evaluation by a group of expert listeners using the central portion of a sustained vowel and a fragment of connected speech as voice samples. Ratings were made using Wilson's Buffalo III Voice Screening Profile....

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Bibliographic Details
Published in:Perceptual and motor skills 2002-06, Vol.94 (3 Pt 2), p.1187-1195
Main Authors: Muñoz, J, Mendoza, E, Fresneda, M D, Carballo, G, Ramirez, I
Format: Article
Language:English
Subjects:
Adult
Analysis
Attitude of Health Personnel
Cross-Cultural Comparison
Female
Grenada
Humans
Language
Male
Middle Aged
Observer Variation
Perceptions
Reliability
Speech
Speech Perception
Voice Disorders - diagnosis
Voice Disorders - psychology
Voice Disorders - rehabilitation
Voice Quality
Voice Training
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Summary:The objective of this study was to estimate the agreement and reliability of voice evaluation by a group of expert listeners using the central portion of a sustained vowel and a fragment of connected speech as voice samples. Ratings were made using Wilson's Buffalo III Voice Screening Profile. Analysis showed that intraindividual listeners' agreement presented variability in the evaluation of both voice samples. In the evaluation of the central portion of the sustained vowel, interindividual listener agreement was moderate for breathiness, hyponasal resonance, and overall voice rating; in connected speech, agreement was moderate for most voice qualities (breathy, rough, high/low pitch, and hyponasal resonance). Finally, Wilson's Buffalo III Voice Screening Profile presented good reliability values for both voice samples, with overall voice rating achieving higher values (.90) than any other voice-quality variable.
ISSN:0031-5125
1558-688X
DOI:10.2466/PMS.94.2.1187-1195