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KMID : 0917520020090030143
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Journal of Speech Sciences
2002 Volume.9 No. 3 p.143 ~ p.153
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The Vowel Length as a Function of the Articulatory Force of the Follwing Consonants in Korean
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kim Dae-Won
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Abstract
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This study was designed to determine (1) the effects of the following stop consonant on the vowel length in isolated bi-syllabic words, (2) the mechanism which renders vowels longer in duration before lax stops than tense stops, (3) where the aspiratory interval isincluded, in the vowel portion or the preceding consonantal portion and (4) the influence of the preceding consonants upon the duration of the following vowel. Measurements were made of five timing varibles on acoustic signals as three native Korean Speakers uttered isolated bi-syllabic /VCV/ words in which the vowel was identical, /a/, and the C slot was filled with bilabial stops. Findings: (1) the vowel length before the lax stops was significantly longer than before the tense stops, while the difference in the vowel duration between the tense stops was insignificatnt or negligible, (2) the vowel length varied as a function of the articulatory force of the following consonants, regardless of the phonological unit of syllable, (3) The aspirtory interval is interpreted as a portion of the preceding consonant and (4) Tfhe effects of the preceding consonants on the final vowel length were not rule-governed.
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