KMID : 1022420220140020029
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Phonetics and Speech Sciences 2022 Volume.14 No. 2 p.29 ~ p.38
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A study on the change of prosodic units by speech rate and frequency of turn-taking
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Park Sun-Young
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Abstract
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This study aimed to analyze the speech appearing in the National Institute of Korean Language¡¯s Daily Conversation Speech Corpus (2020) and reveal how the speech rate and the frequency of turn-taking affect the change in prosody units. The analysis results showed a positive correlation between intonation phrase, word phrase frequency, and speaking duration as the speech speed increased; however, the correlation was low, and the suitability of the regression model of the speech rate was 3%?11%, which was weak in explanatory power. There was a significant difference in the mean speech rate according to the frequency of the turn-taking, and the speech rate decreased as the frequency of the turn-taking increased. In addition, as the frequency of turn-taking increased, the frequency of intonation phrases, the frequency of word phrases, and the speaking duration decreased; there was a high negative correlation. The suitability of the regression model of the turn-taking frequency was calculated as 27%?32%. The frequency of turn-taking functions as a factor in changing the speech rate and prosodic units. It is presumed that this can be influenced by the disfluency of the dialogue, the characteristics of turn-taking, and the active interaction between the speakers.
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KEYWORD
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speech rate, intonation phrase, prosody, turn-taking, corpus linguistics
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