노인성 음성장애에 대한 켑스트럼 분석에서의 무성음 분절 영향

김근효; 이연우; 배인호; 박희준; 이창윤; 권순복

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자료유형: 학술저널

저자정보: 김근효 이연우 배인호 박희준 이창윤 권순복

저널정보: 대한이비인후과학회 부산,울산,경남 지부회 임상이비인후과 임상이비인후과 제30권 제1호

발행연도: 2019.1

수록면: 68 - 76 (9page)

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Background and Objectives：The purpose of this study is to investigate the effect of unvoiced segments on cepstral analysis in patients with presbyphonia. Materials and Methods：A total of 381 participants (263 participants with presbyphonia and 118 with normal voices participated in this study. The sustained vowel /a/ 2 seconds and one sentence from ‘San-Chaek’ were edited and analyzed using the Praat script. Auditory-perceptual rating was also performed by three raters. Results：All parameters except LHRatio_V and extracted continuous speech (EXT) showed a significant difference between the normal and the dysphonia groups. The normal group showed higher cepstral peak prominence (CPP) and smoothed CPP (CPPS) than the dysphonia group. Additionally, AP ratings of the normal group were lower than that of the dysphonia group. The correlation within the measured values ranged from -0.86 to -0.66. In continuous speech (CS), there was a significant difference of area under the curve (AUC) between CPP and CPPS, but there was no significant difference in EXT. Conclusions： Through this study, we confirmed the effect of unvoiced segments on cepstral analysis. By removing the unvoiced segments, the measured values of the cepstral analysis showed an increase. Through further studies, we hope to increase the accuracy of discriminating dysphonia by extracting the unvoiced segments.

#DysphoniaㆍAcousticsㆍAgingㆍPraat.

참고문헌 (22)

참고문헌 신청

Martins RH / 2015 / Aging voice and the laryngeal muscle atrophy / Laryngoscope 125(11):2518~2521

Bradley JP / 2014 / What is the optimal treatment for presbyphonia? / Laryngoscope 124(11):2439~2440

진성민 / 2015 / 음성 검사법 / 임상이비인후과 26(1):14~22

Ravi SK / 2018 / Acoustic and aerodynamic characteristics of choral singers / J Voice S0892-1997(17):30587~30588

Dejonckere PH / 1996 / Differentiated perceptual evaluation of pathological voice quality: reliability and correlations with acoustic measurements / Rev Laryngol Otol Rhinol (Bord) 117(3):219~224

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