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KMID : 1036820170220030615
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Communication Sciences & Disorders
2017 Volume.22 No. 3 p.615 ~ p.628
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Analysis of Korean Viseme System in Korean Standard Monosyllabic Word Lists
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Choi Jae-Hee
Yoon Keon-Seok
Ryu Hye-Soo
Jang Hyun-Sook
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Abstract
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Objectives: The purpose of this study was to investigate the speechreading abilities of the Korean population and verify the Korean viseme system by utilizing the Korean Standard Monosyllabic Word List for Adults (KS-MWL-A), a list of words selected in consideration of phonemic balance and frequency of everyday use.
Methods: KS-MWL-A words spoken by both male and female speakers were filmed. The speechreading test with no auditory cues was performed on 32 subjects and the percent correct scores of words and phonemes were identified and analyzed using ANOVA. Three positions of phonemes, initial, medial and final, were classified according to a confusion matrix to determine the Korean viseme groups based on a criterion of a 60% correct response.
Results: The results showed that the percent correct score of words was 13.00%. The percent correct scores of phonemes of initial, medial, and final positions were 19.04%, 48.26%, and 44.77%, respectively. The Korean visemes were classified as initial phonemes [/k, kh, k', h, [ ]/, /n, d, t', th, (s), [ ]/, /m, p, ph, p'/, /s, s', ?, ? h/], medial phonemes [/i, ?, ? i/, /wi/, /o, jo/, /a, ja/, /u, ju/, /?, j?/, /wa, Ø, (wε)/, /jε, æ, e/] and final phonemes [/[ ], k, ŋ/, /n, d/, /l/, /m, b/].
Conclusion: It was revealed that vowels affect both the initial and final position of consonants in the Korean viseme system. Furthermore, the sensitivity to the presence of the final consonant seemed to have the ca-pability to affect the final consonant of the viseme system.
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KEYWORD
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Speechreading, Lipreading, Viseme, Korean, Korean Standard Monosyllabic Word Lists for Adults (KS-MWL-A)
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