1Classification for Rating Sound Insulation. ASTM E413-04 .
2Standard Test Method for Laboratory Mea-surement of Airborne Sound Transmission Loss of Building Par-titions and Elements. ASTM E90-04 .
3.Acoustics Rating of soundinsulation in buildings and of buildingelements Part 1:Airborne sound insu-lation[].ISO:.
4.Acoustics Measurement of soundinsulation in building sand of building elements Part 3:Laboratorymea-surements of airborne sound insulation of buildingelements[].ISO:.
5Standard classification for determination of outdoor-indoor transmission class〔S〕. ASTM E1332-90 . 2003
