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J Korean Soc Laryngol Phoniatr Logop > Volume 7(1); 1996 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 1996;7(1): 11-19.
라인케부종환자의 음성분석
김상균, 최홍식, 공석철, 홍원표
연세대학교 의과대학 이비인후과학교실, 음성언어의학연구소
Acoustic Analysis of Reinke Edema
Reinke's edema is used for describing varying degrees of chronic swelling of the vocal folds. The acoustic analysis of Reinke's edema has not been reported so far in this country. The purpose of this study is to clarify acoustic and aerodynamic characteristics of the Reinke's edema. Several acoustic evaluations & aerodynamic studies were done in 20 Reinke's edema patients and the data was compared with those of 20 normal controls. Videolaryngoscopy also was done to classify the severity in grading. We used C-Speech, Doctor speech science, and Phonatory function analyser. In C-Speech, we compared jitter, shimmer, and SNR(signal to noise ratio) of normal and Rrinke's edema patient. In Doctor speech science, we compared NNE(Glottal noise energy), speech fundamental frequency, voice quality between two groups. And in phonatory function analyser for aerodynamic function test, we compared speech intensity, airflow rate, and expiratory pressure between two groups. In conclusion, Reinke's edema patients showed lower voice pitches than normal, additionally jitter, shimmer, SNR(signal to noise ratio), NNE(Glottal noise energy), airflow rate, and expiratory pressure may be meaningful parameters for diagnosis and prognosis for treatment.
KEY WORDS: Reinke's edema;Acoustic analysis;Videolaryngoscopy;
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