KMID : 0917520050120040167
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Journal of Speech Sciences 2005 Volume.12 No. 4 p.167 ~ p.180
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Phonetic Realization of the Unstressed Weak Vowel ¡¯Schwa¡¯ in English
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Kim Soo-Jung
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Abstract
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The present study examines the phonetic realizations of the unstressed weak vowel /e/ in English words produced by native and Korean ESL speakers. Traditionally, the stressed elements in utterance are considered to be prominent. In this sense, the unstressed weak vowel /e/ is predicted to be shorter in length, lower in pitch and intensity than the stressed vowels. The experiment shows that native English speakers correlate the unstressed weak vowel /e/ with both shorter duration and lower pitch; Korean ESL speakers correlate it with lower pitch only. We cannot find any significant statistical difference in intensity between /e/ and the stressed vowels in both cases. This study suggests it is important to acquire and produce the correct prosodic correlates of the unstressed weak vowel /e/ for Korean ESL speakers to command more natural English intonation, since /e/ is the most common vowel in English speech and consists of the English foot rhythm along with stressed vowels.
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KEYWORD
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Unstressed weak vowel, schwa /e/, stressed vowels, pitch, duration, intensity
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