Standard No.:	GB/T 4129-1995
English Name:	Acoustics--Determination of sound power levels of noise sources--Requirements for the performance and calibration of reference sound source
Chinese Name:	声学 噪声源声功率级的测定 标准声源的性能要求与校准
Chinese Classification:	A59    Acoustic Measurement
Professional Classification:	GB    National Standard
Issued on:	1995-07-03
Implemented on:	1996-2-1
Status:	superseded
Superseded by:	GB/T 4129-2003 Acoustics--Requirements for the performance and calibration o reference sound sources used for determination of sound power levels
Superseded on:	2003-12-1
Superseding:	GB 4129-1984 Reference sound source
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	264.0
Delivery:	via email in 1~3 business day

本标准规定了标准声源的基本声学性能要求及其以1/1倍频带，1/3倍频带和A计权表示的声功率级的校准方法。本标准的附录A中描述了标准声源的几种型式。本标准适用于半消声室，即在一个反射面上的自由场声学环境内的校准，并规定了需要达到的不确定度的详细程度。本标准适用于各种型式的标准声源。