An Acoustic Study on English Tense-Lax Vowel Pairs Produced by Chinese and Korean Speakers
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The purpose of this study is to compare the spectral and temporal characteristics of English tense and lax vowels produced by Chinese and Korean speakers. 10 Chinese and 10 Korean speakers served as subjects and read 3 pairs of words heed/hid/-hid/hɪd/, had/hæd/-head/hɛd/, who’d/hud/-hood/hʊd/ 3 times. The first two formants and vowel duration were measured. The results showed that Chinese speakers differentiated tense-lax vowel pairs mainly with temporal characteristics while Korean speakers mostly with spectral characteristics. With respect to spectral characteristics, Chinese speakers tended to differentiate tense from lax vowels in some pairs with the difference only in F1 while Korean speakers did with difference both in F1 and F2. Both Chinese and Korean speakers had difficulty in differentiating /u/ from /ʊ/. With respect to temporal characteristics, Chinese speakers differentiated the tense from lax vowels in all three vowel pairs while Korean speakers distinguished only in /i-ɪ/ but not in /æ-ɛ/ and /u-ʊ/ pairs. L1 negative transfer was suggested as one of the factors for the results that Chinese and Korean speakers did not use all the spectral and temporal features in tense vs. lax vowel contrast in English.
Abstract
The purpose of this study is to compare the spectral and temporal characteristics of English tense and lax vowels produced by Chinese and Korean speakers. 10 Chinese and 10 Korean speakers served as subjects and read 3 pairs of words heed/hid/-hid/hɪd/, had/hæd/-head/hɛd/, who’d/hud/-hood/hʊd/ 3 times. The first two formants and vowel duration were measured. The results showed that Chinese speakers differentiated tense-lax vowel pairs mainly with temporal characteristics while Korean speakers mostly with spectral characteristics. With respect to spectral characteristics, Chinese speakers tended to differentiate tense from lax vowels in some pairs with the difference only in F1 while Korean speakers did with difference both in F1 and F2. Both Chinese and Korean speakers had difficulty in differentiating /u/ from /ʊ/. With respect to temporal characteristics, Chinese speakers differentiated the tense from lax vowels in all three vowel pairs while Korean speakers distinguished only in /i-ɪ/ but not in /æ-ɛ/ and /u-ʊ/ pairs. L1 negative transfer was suggested as one of the factors for the results that Chinese and Korean speakers did not use all the spectral and temporal features in tense vs. lax vowel contrast in English.
참고문헌 (12)
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