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KMID : 1022420120040040019
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Phonetics and Speech Sciences
2012 Volume.4 No. 4 p.19 ~ p.27
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Speech Rate Variation in Synchronous Speech
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Kim Mi-Ran
Nam Ho-Sung
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Abstract
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When two speakers read a text together, the produced speech has been shown to reduce a high degree of variability (e.g.,pause duration and placement, and speech rate). This paper provides a quantitative analysis of speech rate variation exhibited in synchronous speech by examining the global and local patterns in two dialects of Mandarin Chinese (Taiwan and Shanghai). We analyzed the speech data in terms of mean speech rate and the reference of “Just Noticeable difference (JND)” within a subject and across subjects. Our findings show that speakers show lower and less variable speech rates when they read a text synchronously than when they read alone. This global pattern is observed consistently across speakers and dialects maintaining the unique local variation patterns of speech rate for each dialect. We conclude that paired speakers lower their speech rates and decrease the variability in order to ensure the synchrony of their speech.
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KEYWORD
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synchronous speech, speech rate, speaker variation, speech accommodation, synchronization task, Read-Alone, Read-Together, Just Noticeable Difference (JND)
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FullTexts / Linksout information
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Listed journal information
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