EN 14389-1:2007
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Road traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristics
30-06-2008
05-12-2007
This European Standard defines the means for evaluating the acoustic durability of Road Traffic Noise Reducing Devices.In this European Standard, the sound absorption is characterised by the sound reflection index DLRI as defined in CEN/TS 1793-5. The airborne sound insulation is characterised by the airborne sound insulation index DLSI as defined in CEN/TS 1793-5.
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