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KMID : 0917520000070040093
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Journal of Speech Sciences
2000 Volume.7 No. 4 p.93 ~ p.105
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An Acoustic Study of English Non-Phoneme Schwa and the Korean Full Vowel /e/
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Ahn Soo-Woong
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Abstract
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The English schwa sound has special characteristics which are distinct from other vowels. It is non-phonemic and occurs only in an unstressed syllable. Compared with the English schwa, the Korean /??/ is a full vowel which has phonemic contrast. This paper had three aims. One was to see whether there is any relationship between English full vowels and their reduced vowel schwas. Second was to see whether there is any possible target in the English schwa sounds which are derived from different full vowels. The third was to compare the English non-phoneme vowel schwa and the Korean full vowel /??/ in terms of articulatory positions and duration. The study results showed that there is no relationship between each of the full vowels and its schwa. The schwa tended to converge into a possible target which was F1 456 and F2 1560. The Korean vowel /??/ seemed to have its distinct position speaker-individual which is different from the neutral tongue position. The evidence that the Korean /??/ is a back vowel was supported by the Seoul dialect speaker. In duration, the English schwa was much shorter than the full vowels, but there was no significant difference in length between the Korean /??/ and other Korean vowels.
Keywords : schwa, plotformant, formant chart, duration, Korean /??/
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KEYWORD
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