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KMID : 0917520030100030157
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Journal of Speech Sciences
2003 Volume.10 No. 3 p.157 ~ p.174
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An Experimerntal Study on English Vowel Lengths as Produced by Korean College Students in Chungnam and Gyungnam Provinces
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Abstract
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The purpose of this experimental study is to investigate and compare the vowel length of English diphthongs and low vowels among native-English-speaking Americans with Korean college students from the Chungnam and Gyungnam provinces. Eight words and sixteen sentences were uttered five times by twenty five subjects from three groups; 1) Chungnam dialect speakers, 2) Gyungnam dialect speakers and 3) five native-English-speaking Americans. Acoustic features (duration) were measured from sound spectrograms made by the PC Quire. Results showed that the vowel length of English diphthongs and low vowels between native English speakers and Korean collegians of Chungnam and Gyungnam provinces were different. Comparing the average length of English diphthongs of Korean collegians with those of American natives, we will see that naive English speakers tend o pronounce the English diphthong shorter than Korean collegians o. However, native English speakers tend to pronounce the English low vowels longer than Korean collegians do. In his study we also tried o find out the differences of English diphthongs and low vowel length in relation to their utterance positions among American natives and Chungnam a Gyungnam dialect speakers. By the results of this experiment, we observed a lengthening effect in the three groups. However, in the pronunciation of American natives, a lengthening effect of English vowels was more clearly observed, especially in the pronunciation of English diphthongs.
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