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Journal of Speech and Hearing Research Vol.34 534-543 June 1991.
© American Speech-Language-Hearing Association
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Multidimensional Scaling Analysis of Dysphonia in Two Speaker Groups

Gail B. Kempster 1
Doris J. Kistler 2

James Hillenbrand 3
1 Governors State University University Park, IL
2 Waisman Center Madison, WI
3 Western Michigan University Kalamazoo

The objective of this research was to identify perceptually relevant features of 30 dysphonic female voices. The perceptual dimensions used by listeners in judging the similarity of the dysphonic voices were derived in two multidimensional scaling (MDS) procedures using ALSCAL Three dimensions were extracted in each MDS solution and accounted for approximately 60% of the total variance in the judgments. The three dimensions were related to measures of intensity, frequency, and perturbation. The results are discussed in relation to how clinicians use perceptual judgments in evaluating dysphonic voices.

KEY WORDS: multidimensional scaling (MDS), dysphonia, voice quality, perceptual analysis

Submitted on February 9, 1990
Accepted on August 31, 1990


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