Historical
BS EN 1793-2:1998
Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of airborne sound insulation (British Standard)
This part of prEN 1973 specifies the laboratory method for measuring the airborne sound insulation performance of roadside noise barriers. It covers assessment of the intrinsic performance of barriers which can reasonably be assembled inside the testing facility described in EN ISO 140-3.
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British Standards Institution [bsi]