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KMID : 0917520010080040171
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Journal of Speech Sciences
2001 Volume.8 No. 4 p.171 ~ p.184
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An Acoustic Study of Relative Articulatory Positions of English Vowels and Korean Vowels
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Ahn Soo-Woong
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Abstract
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American English vowels and Korean vowels were compared by the plotformant method. For American English vowels, six General American English speakers pronounced English words in the b_t environment. For Korean vowels eight Kyongsang dialect speakers and eight Seoul dialect speakers pronounced Korean words in the environments of k_t, p_t and t_t. The formant plots were obtained by plotting F1/F2 tokens of 13 American English vowels on the F1×F2 plane. In spite of personal variations the 13 vowel spaces of all six American English speakers maintained their relative positions with some overlaps. Clear distinctions were made between i-Ⅰ, e-ε, u-σ, and o-??. The domain of ?? and a overlapped for three American English speakers, but it did not for three other speakers. The 8 Korean vowel spaces of Kyongsang dialect speakers and Seoul dialect speakers were very similar and maintained their relative positions. No distinction was made between e and ε. In contrast with American English ?? which is a neutral vowel, Korean ?? was a back vowel. The comparison of 13 American English vowel positions and 8 Korean Vowel positions is expected to shed some light on the errors of English vowel pronunciation of Korean learners.
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