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KMID : 1022420210130030039
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Phonetics and Speech Sciences
2021 Volume.13 No. 3 p.39 ~ p.51
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Production and perception of Korean word-initial stops from a sound change perspective
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Kim Jin-Woo
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Abstract
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Based on spontaneous speech data collected in 2020, this study examined the production and perception of Korean lenis, aspirated, and fortis stops. Unlike the controlled experiments of previous studies, lenis and aspirated stops of males in their 30s were not distinguished by voice onset time (VOT) in spontaneous speech. Perceptual experiments were conducted on young females, the leaders of language change. F0 was found to serve as the primary cue for the perception of lenis stops, and then VOT distinguished the aspirated and fortis stops. The fact that the sounds were always perceived as lenis stops when F0 was low, irrespective of whether VOT was short or long, showed that F0 plays an absolute role in the perception of lenis stops.
However, in some cases the aspirated and lenis stops were distinguished only by VOT, which does not happen in production. In terms of sound change, disagreement between production and perception systems occurs when sound change is in progress. In particular, when production change precedes perception change, it indicates that the sound change is in its latter stages. Young females still maintain the previous system in perception because the distinction of lenis and aspirated stops by VOT was valid in their parents’ generation. In other words, VOT is still used for perception to communicate with other groups.
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KEYWORD
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sound production and perception, Korean stops, sound change, VOT (voice onset time) merger
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