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Electroacoustics—Simulators of human head and ear—Part 3:Acoustic coupler for the calibration of supra-aural earphones used in audiometry
Standard in brief
Scope of Application:
GB/T 25498的本部分规定了听力计校准中,以压耳式测听耳机为负载的具有一定声阻抗的声耦合器结构和特性,频率范围为125 Hz~8 000 Hz,该测听耳机在GB/T 4854.1中规定。
耳机在耦合器中产生的声压级一般不等于在人耳内产生的声压级。然而,为了听力计指标具有互换性以及测听耳机的校准,本部分规定的装置适用于简单快速方法。
Basic information
Standard No:GB/T 25498.3-2010
Standard Name:电声学 人头模拟器和耳模拟器 第3部分:校准压耳式测听耳机用声耦合器
English Name:Electroacoustics—Simulators of human head and ear—Part 3:Acoustic coupler for the calibration of supra-aural earphones used in audiometry
Standard Status:现行
Release Date:2010-12-01
Effective Date:2011-05-01
Language of Publication:中文简体
Standard Classification
ICS Number:17.140.50
CCS Number:A59
Related Standards
Referenced Standards:GB/T 4854.1,GB/T 20441.4-2006
Adopted Standards:IEC 60318-3:1998
Adopted Standard Name:《电声学 人模拟器头和耳模拟器 第3部分:校准压耳式测听耳机用声耦合器》(英文版)
Adoption Level:IDT
Publication Information
Number of pages:12
Number of words:12 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2011-01-01
Standard Revision Information
Has Amendment:No
Other Information
Application Dept:中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:25498.3
Drafter:韩捷、张伟、姜波、曲林
Drafting Organization:中国电子科技集团公司第三研究所
Management Organization:全国电声学标准化技术委员会(SAC/TC 23)
Proposing Department:中华人民共和国工业和信息化部