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http://dx.doi.org/10.5050/KSNVN.2006.16.7.683

Characteristics of Absorption Performance of Sound Absorptive Materials according to Test Conditions  

Kang, Dae-Joon (국립환경과학원 교통환경연구소)
Lee, W.S. (국립환경과학원 교통환경연구소)
Lee, J.W. (국립환경과학원 교통환경연구소)
Hong, J.K. (국립환경과학원 교통환경연구소)
Jo, Y.H. (국립환경과학원 교통환경연구소)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.16, no.7, 2006 , pp. 683-689 More about this Journal
Abstract
The sound absorption materials have been used to enhance the performance of a noise barrier and improve the room acoustics. In this study, 6 products of sound absorption materials generally used in Korea were chosen, and their absorption performance was tested in various conditions, that is, it was measured while changing thickness, density and air-gap in their back, and measured with or without facing on their face.
Keywords
Sound Absorption Coefficient; Reverberation Room Method;
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  • Reference
1 ASTM C 423, 2002, Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
2 前川純一, 朴棅? 譯, 1989, Architectural Acoustics(建築音響), 技文堂
3 Irwin, J. D. and Graf, E. R, 1979, 'Industrial Noise and Vibration Control, Prentice- Hall' , Inc
4 KS F ISO 11654, 2003, Sound Absorbers for Use in Building-rating of Sound Absorption
5 KS F 2805, 2004, Measurement of Sound Absorption in a Reverberation Room