지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2003.6
- 수록면
- 157 - 171 (15page)
이용수
초록· 키워드
오류제보하기
This study was performed to investigate the effects of occlusal appliance on speech pattern, especially, related to the articulation of vowels and consonants. For this study, twenty dental students, 10 male and 10 female, served as subjects. Subjects were asked to read seven vowels in isolation form and 18 C1V1C2V2 type syllables in a carrier sentence in the four different speech environments speaking without splint(normal), with upper CR splint(up), with lower CR splint(down), and with anterior jig(jig). The recorded speech data were analyzed by CSLⓡ (Computerized Speech Lab, Model 4300B, USA) and Wavesurfer, The statistical analysis was performed using SPSS windowsⓡ(ver. 10.0) program.
The results of this study were as follows:
F1 values of vowels of the male subjects were not changed by occlusal splints, but those of the female subjects were changed: F1 frequency of /i/, which is a front and high vowel, increased whereas that of /a/, which is a back and low vowel, decreased. F2 values of vowels both of the male and the female subjects decreased by splints. However, the shape and the area of the vowel chart(vowel space) did not show any significant change by splints.
Closure duration of plosives /ph, th, kh / allowed differentiation between male and female subjects. As a result, closure duration of the male subjects increased, but that of the female subjects decreased. VOT of both subjects were not changed by splints.
Frication noise duration both of an affricate /t호/ and a fricative /s/ did not change by splints, but the pattern of pure frication noise duration and of aspiration duration between an affricate and a fricative were reverse. The frequency of energy distribution types of the frication noise of an affricate was not changed by splints whereas the frequency of those of a fricative was changed, thus the frequency of the scattered type was increased.
Peak energy frequency both of an affricate and a fricative were not changed in the male subjects by splints, but those of the female subjects were decreased.
The results of this study were as follows:
F1 values of vowels of the male subjects were not changed by occlusal splints, but those of the female subjects were changed: F1 frequency of /i/, which is a front and high vowel, increased whereas that of /a/, which is a back and low vowel, decreased. F2 values of vowels both of the male and the female subjects decreased by splints. However, the shape and the area of the vowel chart(vowel space) did not show any significant change by splints.
Closure duration of plosives /ph, th, kh / allowed differentiation between male and female subjects. As a result, closure duration of the male subjects increased, but that of the female subjects decreased. VOT of both subjects were not changed by splints.
Frication noise duration both of an affricate /t호/ and a fricative /s/ did not change by splints, but the pattern of pure frication noise duration and of aspiration duration between an affricate and a fricative were reverse. The frequency of energy distribution types of the frication noise of an affricate was not changed by splints whereas the frequency of those of a fricative was changed, thus the frequency of the scattered type was increased.
Peak energy frequency both of an affricate and a fricative were not changed in the male subjects by splints, but those of the female subjects were decreased.
목차
1. 서론
2. 연구대상 및 방법
3. 연구결과
4. 총괄 및 고찰
5. 결론
참고문헌
ABSTRACT
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UCI(KEPA) : I410-ECN-0101-2009-515-013693751