ISO 140-9-1985 声学.建筑物和建筑构件的隔音测量.第9部分:悬吊式天花板上有压力通风的室对室气载音响隔离的实验室测量
ISO 140-9-1985 标准详情
- 标准号:ISO 140-9-1985
- 中文标题:声学.建筑物和建筑构件的隔音测量.第9部分:悬吊式天花板上有压力通风的室对室气载音响隔离的实验室测量
- 英文标题:acoustics -- measurements of sound insulation in buildings and of building elements -- part 9: laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
- 标准类别:国际标准化组织标准ISO
- 发布日期:1985-02-01
内容简介
Specifies a method for measuring a quantity called the suspended ceiling normalized level difference when the sound transmitted by paths other than the required paths is negligible.
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