
Acoustics - Measurements of sound insulation in buildings and of building elements - Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
出版:Standards Australia

专家解读视频
Proposes the adoption of ISO 140-9:1985 which provides a laboratory method of measuring the airborne sound insulation of a suspended ceiling with a plenum of defined height mounted above an acoustical barrier which separates two rooms of a specified test facility. Proposed as a Joint Australian/New Zealand Standard. Copies of ISO 140-9:1985 may be purchased from or viewed at any Standards Australia office or Standards New Zealand.
ISO 140-9:1985 - Identical