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KMID : 1022420110030010015
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Phonetics and Speech Sciences
2011 Volume.3 No. 1 p.15 ~ p.22
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A Study on the Correlation between English Word-final Stop and Vowel Duration Produced by Speakers of Korean
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Kim Ji-Eun
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Abstract
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The purposes of this study are (1) to investigate the correlation between English word-final stop and the duration of vowels before word-final stop and (2) to suggest a way to detect pronunciation errors and teach the pronunciation of English word-final stops. For these purposes, 18 Korean speakers’ production was recorded and analysed using Speech Analyzer and their production was compared with that of native English speakers. In addition, two native English speakers evaluated the subjects’ pronunciation. The major findings are the voicing dependent effect of the English vowels produced by native Korean speakers is lower than that of native English speakers; Korean speakers release English word-final stops less than native English speakers; and the pronunciation of English word-final stops and the duration of adjacent vowels are closely related in that the pronunciation score of final stops and the ratio of vowels between the vowels before voiced stops and voiceless stops are correlated. In addition, this study concludes with pedagogical suggestions that may be useful for English pronunciation teaching.
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KEYWORD
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vowel duration, voiced stop, voiceless stop, place of articulation, voicing dependent effect, stop release
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