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KMID : 0917520070140030047
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Journal of Speech Sciences
2007 Volume.14 No. 3 p.47 ~ p.57
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A Study on the Pitch and Formants of Vowels Produced by Monolingual and Bilingual Children
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Kwon Mi-Ji
Ko Young-Ok
Kim Hye-Kyung
Lee Eun-Jeong
Jeong Ok-Ran
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Abstract
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The aim of this study was to investigate the pitch and formant characteristics of vowels produced by monolingual and bilingual children. We collected sustained phonation of single vowels, /a/, /i/, /u/, from children aged 6 through 10 and compared their acoustic characteristics, fo, F1, F2. Results showed a significant difference between the groups in fo and F1 in the sustained phonation /a/, but not in F2. In the sustained phonation /i/, F2 revealed a significant difference but fo and F1 showed no significant difference. The F2 showed a significant difference in the sustained phonation /u/, but fo and F1 revealed no significant difference between the groups. It is needed to study further on the acoustic characteristics of bilingual children so that we can make a proper language intervention strategy for them.
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KEYWORD
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Korean-Philippine bilinguals, formant characteristics
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