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KMID : 1022420100020020109
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Phonetics and Speech Sciences
2010 Volume.2 No. 2 p.109 ~ p.115
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Perturbation and Perceptual Analysis of Pathological Sustained Vowels according to Signal Typing
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Lee Ji-Yeoun
Choi Seong-Hee
Jiang Jack J.
Hahn Min-Soo
Choi Hong-Shik
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Abstract
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In this paper, we investigate a signal typing on the basis of visual impression of distinctive spectrogram. Pathological voices are classified into signal type 1, 2, 3, or 4 to estimate perturbation parameters and to mark perceptual rating based on Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V). The results suggest that perturbation analysis can be applied to only type 1 and 2 signals and the perceptual ratings of overall grade increase with each signal type, overall. A good inter-rater reliability is showed among three raters. We recommend that pathological voices should be marked the signal typing and CAPE-V, together, to definitely describe the characteristics of pathological voices.
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KEYWORD
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Signal typing, perturbation analysis, CAPE-V, perceptual rating
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