ASTM E966建筑物表面和表面构件气载声音隔离的现场测量标准指南
日期:2012-02-08 11:52
red with Test Methods E90 and E336 may be obtained.
The traffic noise method is to be used only for OINR measurements and is most suitable for situations where the OINR of a specimen at a specific location is exposed to an existing traffic noise source.
5.3 The OINR, AOITL(), and OITL() produced by the methods described will not correspond to the transmission loss and noise reduction measured by Test Methods E90 and E336 because of the different incident sound fields that exist in the outdoors (
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