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KMID : 0917520020090010137
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Journal of Speech Sciences
2002 Volume.9 No. 1 p.137 ~ p.148
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Post-Affricate Phonatory Processes in Korean and English
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Ahn Hyun-Kee
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Abstract
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This study investigates phonation modes of vowels following the affricate consonants in Korean and English--tense affricagte /c´/, lenis affricate /c/, and aspirated affricate /c^h/ for Korean; voiced affricate /j´/and aspirated affricate /c´/ for English. Tfhe investigation makes significant use of the H1*-H2* measure (a normalized amplitude difference between the first and second harmonics0 to provide acoustic correlates of the phonation types. Tfhe major findings for English are that the H1*-H2* measure at the vowel onset was significantly larger in post-aspirated position than in post-voiced position. Tfhe Korean data showed the H1*-H2* measure at the vowel onset to be significantly higher in the post-aspirated class than in the post-tense class. On the other hand, the Fo values for the post-lenis vowels were significantly lower than those of the other two classes during the first half of the vowel. Based on the phonetic results, this study argues for the need to incorporate the [stiff vocal folds] and [slack vocal folds] features into the phonological treatments of Korean affricates, while maintaining the two features [constricted glottis] and [spread glottis].
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