Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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A Comparsion study of Phonation Threshold Pressure and Nasalance according to vowels

모음에 따른 발성역치압력과 비성도 특성 비교 연구

  • Lee, Inae (Department of Language Therapy, Luter University) ;
  • Hwang, Young-Jin (Department of Language Therapy, Luter University)
  • 이인애 (루터대학교 언어치료학과) ;
  • 황영진 (루터대학교 언어치료학과)
  • Received : 2012.11.09
  • Accepted : 2013.02.06
  • Published : 2013.02.28
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Abstract

This study sought to compare the difference of Phonation Threshold Pressure and Nasalance according to vowels. We tested 28 normal females(20~30age) who be in attendance at a school from May to August 2012. We measured Phonation Threshold Pressure through PAS(Phonatory aerodynamic system, model 6600, KAY electronics, Inc) that aero-mechanical instrument called. Phonation Threshold Pressure was measured by using the consonant /p/ and the three vowels /a, i, u/ and was analyzed the three times of Phonation the five times. Also We measured Nasalance through the Nasometer${\Pi}$(model 6450, KAY electronics, Inc). The vowel's phonation was recored by using the three vowels /a, i, u/. the nasalance score was measured via Nasometer. As a Result, Phonation Threshold Pressure according to three vowels show significantly difference. Also, Nasalance according to three vowels show significantly difference. Finally, Correlation coefficient of Phonation Threshold Pressure and Nasalance according to three vowels show positive relation ship. Therefore Phonation Threshold Pressure and Nasalance according to three vowels have closely relationship.

본 연구는 모음에 따라 발성역치압력과 비성도의 차이를 비교하고자 하였다. 2012년 5월부터 8월 동안에 대학에 재학 중인 20~30대의 정상성인 여성 28명을 대상으로 실시하였다. 발성역치압력은 객관적인 공기역학적 검사도구인 PAS(Phonatory aerodynamic system, model 6600, KAY electronics, Inc)를 이용하였으며, /p/와 세가지 모음 /a, i, u/를 각 5번씩 측정하여 가운데 3개를 비교하여 분석하였다. 또한 비성도는 Nasometer${\Pi}$(model 6450, KAY electronics, Inc)를 이용하였으며, 세가지 모음 /a, i, u/를 5초 이상 연장발성하여 측정하였다. 그 결과, 모음에 따른 발성역치압력은 유의한 차이를 나타내었으며, 모음에 따른 비성도도 유의한 차이를 보였다. 발성역치압력과 비성도간의 상관관계도 매우 높은 상관성을 나타내었다. 따라서 모음간의 발성역치압력은 연인두 폐쇄정도를 예측할 수 있으며 그에 따른 비성도와 매우 연관성이 깊음을 알 수 있었다.

Keywords

References

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