BS EN ISO 10140-2:2011 Acoustics. Laboratory measurement of sound insulation of building elements. Measurement of airborne sound insulation has been changed from BS EN ISO 140-6:1998 Acoustics - Measurement of sound insulation in buildings and of building elements - Laboratory measurements of impact sound insulation of floors.
BS EN ISO 10140-2:2011 Acoustics. Laboratory measurement of sound insulation of building elements. Measurement of airborne sound insulation has been changed from BS EN ISO 140-8:1998 Acoustics - Measurement of sound insulation in buildings and of building elements - Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor.
BS EN ISO 10140-2:2011 Acoustics. Laboratory measurement of sound insulation of building elements. Measurement of airborne sound insulation has been changed from BS EN ISO 140-11:2005 Acoustics - Measurement of sound insulation in buildings and of building elements - Laboratory measurements of the reduction of transmitted impact sound by floor coverings on lightweight reference floors.
BS EN ISO 10140-2:2011 Acoustics. Laboratory measurement of sound insulation of building elements. Measurement of airborne sound insulation has been changed from BS EN ISO 140-16:2006 Acoustics - Measurement of sound insulation in buildings and of building elements - Laboratory measurement of the sound reduction index improvement by additional lining.
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