DIN EN ISO 140-5-1998 声学.建筑物和建筑构件隔音性能测量.第5部分:房屋正面和正面构件气载声隔绝测量
Acoustics - Measurement of sound insulation in buildings and of building elements - Part 5: Field measurement of airborne sound insulation of facade elements and facades (ISO 140-5:1998); German version EN ISO 140-5:1998
The document specifies two series of methods, element methods and lobal methods, for measurement or airborne sound insulation of facade elements and whole facades respectively.