DIN EN 1793-6-2013 道路交通噪声降低装置.声学性能测定的试验方法.第6部分:固有特性.直达声场条件下空气隔音的现场测定值.德文版本EN 1793-6-2012
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In-situ values of airborne sound insulation under direct sound field conditions; German version EN 1793-6:2012