SANS 140-11-2005 声学．建筑物和建筑构件的隔音测量．第11部分：轻质基准地板上降低地面装饰发出冲击声的实验室测量
Acoustics - Measurement of sound insulation in buildings and of building elements Part 11: Laboratory measurements of the reduction of transmitted impact sound by floor coverings on lightweight reference floors
Specifies methods for measuring the acoustic properties of floor coverings from the viewpoint of reducing impact sound transmission. The purpose is to establish a method for determining the impact sound insulation of a floor covering under standard test