[논문]Perturbation and Perceptual Analysis of Pathological Sustained Vowels according to Signal Typing

이지연; 최성희; 한민수; 최홍식

Perturbation and Perceptual Analysis of Pathological Sustained Vowels according to Signal Typing 원문보기

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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문제 정의

The objective of this paper is to introduce signal typing and CAPE-V which have recently discussed in the United States of America (USA) and to look at their relation. We will classify pathological voices into type 1, 2,

제안 방법

In this study, we classified 32 voice samples into signal type 1, 2, 3, or 4 based on distinctive spectrogram patterns. Narrow band spectrograms were created with a window length of 50 millisecond, a time step of 0.
3, and 4 in the basis of characteristic spectrogram patterns. Then, we will compare acoustic characteristics of pathological voices by using perturbation analysis (including jitter and shimmer), and signal-to-noise ratio (SNR) according to signal types. Finally, we will examine the relation between signal typing and perceptual rating using CAPE-V.

대상 데이터

The pathological voice samples utilized in this study were selected from the Disordered Voice Database, model 4337, Version 1.03, developed by the Massachusetts Eye and Ear Infirmary Voice and Speech Lab. [12].
The signal typing was conducted during voice team meetings consisting of 3 trained speech-language pathologists. Complete agreement on the signal typing for each patient was required.
[12]. We selected 32 pathological subjects including 11 males and 21 females, ranging in age between 18 and 76 years from this database. The subject information is shown in [Table 1], and more detailed information has been given in the Disordered Voice Database.

데이터처리

0. A Pearson product moment correlation (r) was used to examine inter-rater reliability on the overall severity score on the CAPE-V. There was a statistically significant (P > 0.
Inter-rater reliability analysis was conducted for the overall severity rating of voice impairment between the three certified raters who had completed CAPE-V ratings using the statistics package SPSS 12.0. A Pearson product moment correlation (r) was used to examine inter-rater reliability on the overall severity score on the CAPE-V.

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관리번호, 논문명, 저널/프로시딩명, 저자 , 발행년, 권, 호, 시작페이지, 끝페이지, 발행기관

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표제어: PCR

동의어: Packet Collision Rate

용어 설명 출처 목록 (6)

용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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Perturbation and Perceptual Analysis of Pathological Sustained Vowels according to Signal Typing 원문보기

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