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KMID : 1022420140060040053
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Phonetics and Speech Sciences
2014 Volume.6 No. 4 p.53 ~ p.65
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The continuous or categorical effects for HH vs. HL and HH vs. LH in lexical pitch accent contrasts of Korean
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Kim Jung-Sun
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Abstract
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The current research examines whether pitch contour shapes in North Kyungsang pitch accent contrasts provide a phoneticdimension for phonological discreteness in a mimicry task. Two pitch accent continua resynthesized were created for HH vs. HL and HH vs. LH. To confirm a phonetic dimension for accounting for pitch accent categories in North Kyungsang Korean,the mimicries of speakers of two dialects (i.e., North Kyungsang & South Cholla) were compared. One of the findingsshowed that, for North Kyungsang speakers, the range of mean f0 peak times was a phonetic dimension undergoing acontinuous shift within a stimulus continuum for both HH vs. HL and HH vs. LH. On the other hand, for South Chollaspeakers, there were no apparent shifts around categorical boundaries for either HH vs. HL or HH vs. LH. Regardingindividual mimicries on f0 peak timing, there are many variations. For HH vs. LH, three North Kyungsang speakers showeda discrete pattern reflecting a shift in phonological categories, but for HH vs. HL, there was no such distinction showing acategorical shift, though there were statistically significant differences for two speakers. Interestingly, one of the NorthKyungsang speakers showed a continuous phonetic dimension for both HH vs. HL and HH vs. LH. Lastly, the f0 valleytiming did not exhibit a discrete or gradient phonetic dimension for speakers of either dialect. On the basis of these results,what is interesting is that the tonal target such as high tone in North Kyungsang pitch accent categories within theautosegmental-metrical (AM) theory may be realized within individual cognitive systems for representing the interaction ofperception and production.
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KEYWORD
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lexical pitch accent, pitch contour, a mimicry task, North Kyungsang speakers, South Cholla speakers
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FullTexts / Linksout information
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