Standard No.:	GB/T 25498.1-2010
English Name:	Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones
Chinese Name:	电声学　人头模拟器和耳模拟器　第1部分：校准压耳式耳机用耳模拟器
Chinese Classification:	A59    Acoustic Measurement
Professional Classification:	GB    National Standard
ICS Classification:	17.140.50 17.140.50    Electroacoustics 17.140.50
Issued by:	AQSIQ; SAC
Issued on:	2010-12-1
Implemented on:	2011-5-1
Status:	valid
Superseding:	GB 7614-1987 校准测耳机用的宽频带型仿真耳
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	190.00
Delivery:	via email in 1~3 business day

GB/T25498的本部分规定了用于校准听力测定和电话电声测量用无声泄漏压耳式耳机的耳模拟器结构和特性。本部分规定的耳模拟器其频带范围为20Hz~10000Hz。