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KMID : 0917520060130010029
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Journal of Speech Sciences
2006 Volume.13 No. 1 p.29 ~ p.41
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The Role of Prosodic Boundary Cues in Word Segmentation in Korean
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Kim Sa-Hyang
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Abstract
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This study investigates the degree to which various prosodic cues at the boundaries of prosodic phrases in Korean contribute to word segmentation. Since most phonological words in Korean are produced as one Accentual Phrase (AP), it was hypothesized that the detection of acoustic cues at AP boundaries would facilitate word segmentation. The prosodic characteristics of Korean APs include initial strengthening at the beginning of the phrase and pitch rise and final lengthening at the end. A perception experiment utilizing an artificial language learning paradigm revealed that cues conforming to the aforementioned prosodic characteristics of Korean facilitated listeners’ word segmentation. Results also indicated that duration and amplitude cues were more helpful in segmentation than pitch. Nevertheless, results did show that a pitch cue that did not conform to the Korean AP interfered with segmentation.
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KEYWORD
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word segmentation, prosody, Korean
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