内蒙古撞击隔音检测机构 混响测试

外墙空气隔音检测
检测标准：
ISO 16283-3:2016 Acoustics -- Field measurement of sound insulation in buildings and of building elements -- Part 3: Façade sound insulation
隔声检测主要评价参数：
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。



撞击隔声检测


撞击隔声检测标准：
ISO 16283-2:2019 Acoustics -- Field measurement of sound insulation in buildings and of building elements -- Part 2: Impact sound insulation



混响测试
混响测试标准：
ISO 3382-2-2008 - Acoustics -- Measurem...- Reverberation time in ordinary rooms
混响测试设备：
B&K pulse 3109 信号发生器、信号采集系统
Gras 1/2 传声器
B&K pulse 测试分析系统
JBL 有源扬声器



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



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