嘉兴空气隔音检测机构 混响测试

酒店隔声检测
空气隔声检测标准：
GB/T 19889.4-2005 声学建筑和建筑构件隔声测量*4部分：房间之间空气声隔声的现场测量
GB/T 50121-2005 建筑隔声评价标准
GB/T 50076-2013 室内混响时间测量规范


ASTM E336 –17 Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
ASTM E413 - 16 Classification for Rating Sound Insulation

撞击隔声检测标准
GB/T 19889.7-2005 声学 建筑和建筑构件隔声测量 *7部分：楼板撞击声隔声的现场测量
ISO 16283-2-2015 - Acoustics -- Field m...nts -- Part 2- Impact sound insulation



空气隔音检测
空气隔音检测标准：
ISO 16283-1:2014 Acoustics — Field measurement of sound insulation in buildings and of building elements —Part 1:Airborne sound insulation
ISO 717-1:2013 Acoustics — Rating of sound insulation in buildings and of building elements —Part 1: Airborne sound insulation



活动隔断隔音检测
检测标准：
GB/T 19889.4-2005 声学建・}和建・}构件隔声测量*4部分：房间之间空气声隔声的现场测量
GB/T 50076-2013 室内混响时间测量规范
GB/T 50121-2005 建・}隔声评价标准
ISO 16283-1:2014 Acoustics — Field measurement of sound insulation in buildings and of building elements —Part 1:Airborne sound insulation
ISO 717-1:2013 Acoustics — Rating of sound insulation in buildings and of building elements —Part 1: Airborne sound insulation
ASTM E336 –17 Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
ASTM E413 - 16 Classification for Rating Sound Insulation



影院隔音检测
检测标准：
GB/T 19889.4-2005 声学建・}和建・}构件隔声测量*4部分：房间之间空气声隔声的现场测量
GB/T 50121-2005 建・}隔声评价标准
GB/T 50076-2013 室内混响时间测量规范
隔音检测主要评价参数：
声压级差：D=L1-L2
标准化声压级差：DnT=D+10lg(T/T0)
式中：L1和L2为声源室和接受室声压级；T为接受室混响时间，T0为参考混响时间，一般取0.5s。



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