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NTIS 바로가기한국소음진동공학회논문집 = Transactions of the Korean society for noise and vibration engineering, v.25 no.7, 2015년, pp.462 - 469
이성복 (Department of Architectural Engineering, Graduate School of University of Seoul) , 김명준 (Department of Architectural Engineering, University of Seoul) , 양홍석 (Land and Housing Institute, Land and Housing Corporation)
This study was carried out to examine characteristics of various acoustic indicators evaluating speech intelligibility such as reverberation time(T30), D50, C50 and speech transmission index(STI) in Korean elementary school classrooms. Results showed that mean T30 at middle frequencies(500 Hz to 200...
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