Standard No.:	GB/T 19513-2004
English Name:	Acoustics - Measurement of office screen sound attenuation under specific laboratory conditions
Chinese Name:	声学 规定实验室条件下办公室屏障声衰减的测量
Chinese Classification:	Z32    Noise and vibration test methods
Professional Classification:	GB    National Standard
ICS Classification:	91.120.20 91.120.20    Acoustics in building. Sound insulation 91.120.20
Issued by:	AQSIQ; SAC
Issued on:	2004-5-13
Implemented on:	2004-12-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	244.00
Delivery:	via email in 1~3 business day

本标准规定了办公室用屏障声衰减的测量方法，这类屏障是用于提高谈话的私密性，或隔离工作位置之间的噪声。本标准测得的屏障声衰减，可用来区分屏障的等级。按本标准所确定的等级不适用于那些声源靠近地面的实际情况。因为，实际声源的指向性和屏障的声传播特性会导致与按本标准给出的方法所获得的结果有差异。