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KMID : 0917520020090030169
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Journal of Speech Sciences
2002 Volume.9 No. 3 p.169 ~ p.184
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A Production and Perception Experiment of Korean Alveolar Fricatives
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Yoon Kyu-Chul
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Abstract
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Korean has two types of voiceless alveolar fricatives: a non-tense fricative /s^h/ and a tense fricative /s´/. Twenty native speakers of Korean produced five pairs of isolated words containing word initial /s^hV/ and /s´V/ sequences where V was any one of five (/a, e, i, o, u/) of Korean vowels. Acoustic measures such as duration, fricative noise prominent frequency, energy change of following vowel, and fun-damental frequency atvowel onset were examined. Results showed that among the parameters, aspiration noise duration of /s´/ in mid and low vowel contexts was less than 21 ms. In a perception experiment, where only the aspiration noise interval of the /s^h/ tokens was incrementally reduced, some listeners shifted perception from /s^h/ to /s´/.
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KEYWORD
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