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논문 기본 정보

자료유형
학술저널
저자정보
Ko Do-Heung (한림대학교)
저널정보
한국음성학회 말소리와 음성과학 말소리와 음성과학 제3권 제1호
발행연도
2011.3
수록면
97 - 102 (6page)

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초록· 키워드

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Electroglottography (EGG) is a common method for providing non-invasive measurements of glottal activity. EGG has been used in vocal pathology as a clinical or research tool to measure vocal fold contact. This paper presents the results of pitch, jitter, and closed quotient (CQ) measurements in electroglottographic signals of young (mean = 22.7 years) and elderly (mean = 74.3 years) male and female subjects. The sustained corner vowels /i/, /a/, and /u/ were measured at around 70 ㏈ SPL since the most notable among EGG variables is the phonation intensity, which showed positive correlation with closed phase. The aim of this paper was to measure EGG data according to age and gender.
In CQ, there was a significant difference between young and elderly female subjects while there was no significant difference between young and elderly male subjects. The mean value for young males was higher than that for elderly males while the mean value for young females was lower than that for elderly females. Thus, it can be said that in mean values, increased CQ was related to decreased age for females, while CQ decreased for males as the speaker's age decreased. Although the laryngeal degeneration due to increased age seems to occur to a lesser extent in females, the significant increase of CQ in elderly female voices could not be explained in terms of age-related physiological changes. In standard deviation of pitch and jitter, the mean values for young and elderly males were higher than that for young and elderly females. That is, male subjects showed higher in mean values of voice variables than female subjects. This result could be considered as a sign of vocal instability in males.
It was suggested that these results may provide powerful insights into the control and regulation of normal phonation and into the detection and characterization of pathology.

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ABSTRACT
1. Introduction
2. Method
3. Results
4. Summary and Discussion
5. Concluding Remarks
References

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UCI(KEPA) : I410-ECN-0101-2012-701-004179436