正常成人의 發聲持續時間測定法에 關한 臨床硏究
Clinical Study on Measurements of Phonation time in Normal Adults
문영일,
소속 상세정보
문영일 ( )
Ajou University School of Medicine Department of Otolaryngology
KMID : 0361019750180020055
Abstract
The quantitative measurement of phonation time is the needful procedure in the diagnosis of any vocal disorders.
Each subject was told to take a deep breath and make a vowel sound with constant pitch and intensity as long as he could.
It is the purpose of this study to acknowledge how much the expiratory movement during the phonation is converted into a single vowel souud efficiently with 40 subjects.
The author has made a brief literature review and has obtained the following results;
1) The average normal phonation time in male was 30.2 second and 21. 6 seconds in female. It would be proper to consider pathological if the phonation time is shorter than 15 seconds in :male and shorter than 10 seconds in female.
2) There was no significant differences in phonation time between standing and sitting position.
3) The phonation time was shortened in loud voice.
4) There would be no significance in the phonation time if its differences were within 10 seconds of normal limit in the same person.
5) It is best to choose the, maximal value among 3 consecutive measurements.
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