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KMID : 1022420120040020121
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Phonetics and Speech Sciences
2012 Volume.4 No. 2 p.121 ~ p.126
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The Noise Effect on Stuttering and Overall Speech Rate: Multi-talker Babble Noise
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Park Jin
Chung In-Kie
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Abstract
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This study deals with how stuttering changes in its frequency in a situation where adult participants who stutter are exposed to one type of background noise, that is, multi-talker babble noise. Eight American English-speaking adults who stutter participated in this study. Each of the subjects read aloud sentences under each of three speaking conditions (i.e.,typical solo reading (TSR), typical choral reading (TCR), and multi-talker babble noise reading (BNR)). Speech fluency was computed based on a percentage of syllables stuttered (%SS) and speaking rate was also assessed to examine if there was significant change in rates as a measure of vocal change under each of the speaking conditions. The study found that participants read more fluently both during BNR and during TCR than during TSR. The study also found that participants did not show significant changes in speaking rate across the three speaking conditions. Some discussion was provided in relation to the effect of multi-talker babble noise on the frequency of stuttering and its further speculation.
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KEYWORD
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stuttering, noise effect, multi-talker babble noise, speech rate
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