DIN EN ISO 140-11:2005
声学建筑物和构件中的隔音测量 第1部分：通过测试台中的轻质天花板上的天花板支撑来测量冲击声音的降低
Acoustics – Measurement of sound insulation in buildings and components – Part 11: Measurement of impact sound reduction through ceiling supports on light cover ceilings in test stands
