期刊
APPLIED ACOUSTICS
卷 78, 期 -, 页码 77-88出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apacoust.2013.10.013
关键词
Impact sound transmission; Low frequency; Floors; Dwellings; Variance
类别
As sound and vibration fields in dwellings exhibit modal behaviour at frequencies below 200 Hz, a systematic investigation of measurement and prediction uncertainty associated with impact sound transmission at low frequencies must include the effects of: location of the impact, type of floor, edge conditions, floor and room dimensions, room absorption and position of the receiver. Experimentally validated analytical models, described in a companion paper, have been used in an extensive investigation of impact sound transmission through rectangular homogeneous concrete floors and floating floors. The models were used to describe the effect of modal coupling and then to perform parametric and statistical studies aimed to identify the main factors affecting low frequency impact sound transmission. (C) 2013 Elsevier Ltd. All rights reserved.
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