DIN EN 1793-2 : 2019現行
Road traffic noise reducing devices – Test method for determining the acoustic performance – Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions; German version EN 1793-2:2018
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
This document specifies the laboratory method for measuring the airborne sound insulation performance of road traffic noise reducing devices in reverberant conditions.
EN 1793-2 : 2012 - Identical
EN 1793-2:2018 - Identical
EN 1793-2:2018 - Identical
EN 1793-2 : 2012 - Identical
