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J Korean Soc Laryngol Phoniatr Logop > Volume 10(2); 1999 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 1999;10(2): 119-123.
한국어 모음에서 연령증가에 따른 제2음형대의 변화양상
김찬우1, 차흥억1, 장일환1, 김선태1, 오승철1, 석윤식1, 이영숙2
1가천의과대학부속길병원 이비인후-두경부외과학교실2가천의과대학부속길병원 이비인후-음성언어치료실
$F_2$ Formant Frequency Characteristics of the Aging Male and Female Speakers
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ABSTRACT
Background and Objectives
: Conditions such as muscle atrophy, stretching of strap muscles, and continued craniofacial growth factors have been cited as contributing to the changes observed in the vocal tract structure and function in elderly speakers. The purpose of the present study is to compare F$_1$ and F$_2$ frequency levels in elderly and young adult male and female speakers producing a series of vowels ranging from high-front to low-back placement. Material and Methods : The subjects were two groups of young adults(10 males, 10 females, mean age 21 years old range 19-24 years) and two groups of elderly speakers(10 males, 10 females, mean age 67 years : range 60-84 years). Each subject participated in speech pathologist to be a speaker of unimpared standard Korean. The headphone was positioned 2 cm from the speakers lips. Each speaker sustained the five vowels for 5 s. Formant frequency measures were obtained from an analysis of linear predictive coding in CSL model 4300B(Kay co).
Results
: Repeated measure AVOVA procedures were completed on the $F_1$ and $F_2$ data for the male and female speakers. $F_2$ formant frequency levels were proven to be significantly lower fir elderly speakers.
Conclusion
s : We presume $F_2$ vocal cavity(from the point of tongue constriction to lip) lengthening in elderly speakers. The research designed to observe dynamic speech production more directly will be needed.
KEY WORDS: Vowel formant;Vocal tract;Aging;
중심 단어: 모음 음형대;성도의 신장;노화;
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