六安撞击隔音检测机构 宁韵检测

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

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
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:?Fa?ade?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。