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KMID : 1022420140060010085
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Phonetics and Speech Sciences
2014 Volume.6 No. 1 p.85 ~ p.93
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Perceptual Characteristics of Korean Vowels Distorted by the Frequency Band Limitation
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Kim Yeon-Whoa
Choi Dae-Lim
Lee Sook-Hyang
Lee Yong-Ju
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Abstract
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This paper investigated the effects of frequency band limitation on perceptual characteristics of Korean vowels. Monosyllabic speech (144 syllables of CV type, 56 syllables of VC type, 8 syllables of V type) produced by two announcerswere low- and high-pass filtered with cutoff frequencies ranging from 300 to 5000 Hz. Six listeners with normal hearingperformed perception tests by types of filter and cutoff frequencies. We reported phoneme recognition rates and types ofperception error of band-limited Korean vowels to examine how frequency distortion in the process of speech transmissionaffect listener’s perception.
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KEYWORD
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perception test, distortion, frequency band distortion, filtering, perception errors
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