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KMID : 0917520020090010193
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Journal of Speech Sciences
2002 Volume.9 No. 1 p.193 ~ p.206
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An Acoustic Study on the Pronunciation of English [kw] Sequences by Korean EFL Students
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Kim Jung-Eun
Cho Mi-Hui
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Abstract
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The aim of this study is to find out how the labiovelar onglide /w/ in English kwV sequences that have minimal pairs with kV sequences is pronounced differently among Korean EFL learners based on acoustic evidence. Th is study tries to identify /w/ sound in English kwV wequences through spectrograms and to examine the duration ratios of each segment in kwV words to compare the patterns of an English native speaker with those of Korean speakers of English. In spectrographic analyses, the complete deletion of /w/ and partical pronunciation of /w/ dubbed [k^w] were identified as well as the target-appropriate production of /w/. Tfhe general production patterns with respect to the duration ratios in English [kw] sequence words showed that the subjects who produced /w/ had similar ratio patterns that the native speaker had in that the vowel duration ratio in kwV sequences was shorter than that in kV sequences. By contrast, the subjects who deleted [w] had a long ratio of the onset [k^h] while the speaker with a partial pronunciation of /w/ had a long ratio of the following vowel.
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