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This European Standard specifies the laboratory method for measuring the airborne sound insulation performance of road traffic noise reducing devices in reverberant conditions. It shall be applied for the assessment of the intrinsic performance of those road traffic noise reducing devices that can reasonably be assembled inside the testing facility described in EN ISO 140-3. This method is not applicable for the following applications: determination of the intrinsic characteristics of road traffic nose reducing devices in non-reverberant conditions. The Working Committee responsible for the German collaboration at DIN, the German Institute for Standardization e. V. is NA 005-10-26 AA "Lärmschutzeinrichtungen" ("Noise reducing devices") of the Building and Civil Engineering Standards Committee (NABau), acting as mirror committee to CEN/TC 226 WG 6.
This document replaces DIN EN 1793-2:1997-11 .