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KMID : 0384019950060010022
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Journal of the Korean Society of Logopedics and Phoniatrics
1995 Volume.6 No. 1 p.22 ~ p.26
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Significance of Acoustic Parameter-RAP, PPQ, APQ-in Hoarseness
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안철민
이종혁/강현국/이용배
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Abstract
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Change of voice, espicially hoarseness show irregular vibration of vocal cord. So. Computerized acoustic analysis has presented many acoustic parameters for objective evaluation of voice. We objectively investigated the vocal vibration of normal
persons
and hoarseness patients in Korea.
The RAP(relative average perturbation). PPQ(pitch period pertubation quotient) and APQ (amplitude perturbation quotient) of normal persons were compared with that f hoarseness patients with multidimensional voice program for the possibility of
distinguishing the pathologic vocal vibration from normal.
Authors agree that RAP. PPQ and APQ showed interesting differences between the normal and the hoarseness patients by the multivariate statistical analysis.
In conculusion, relative average perturbation pitch period pertubation and amplitude perturbation quotient might be meangingful screening parameters distinguishing hoarseness patients from normal.
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KEYWORD
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