DZ/T 0101.12-1994
Active
JJF 2390-2026
Pending
National Metrology Technical Specifications JJF
JJF 2390-2026 Test Specification of Sound Attenuation of Active Noise Reduction Earphones
JJF 2390-2026 Test Specification of Sound Attenuation of Active Noise Reduction Earphones
Basic Information
Standard Code:
JJF 2390-2026
Standard Type:
National standards
Standard Status:
Pending
is_force_gb:
no
CCS Name:
-
ICS Name:
-
Publish Date:
2026-04-02
Implement Date:
2026-10-02
Publisher:
国家市场监督管理总局
Technical Committee:
全国声学计量技术委员会
Pages:
24 pages
Scope
本规范适用于有源降噪耳机声衰减的测试。其他贴近耳道的音频设备如果具备有源降噪功能，其声衰减测试也可参照使用本规范。
Development Information
Drafting Units:
湖北省计量测试技术研究院
Drafting Persons:
姚秋平、王飞
Referenced Standards
JJG 176-2005 Sound Calibrators
JJG 176-2022 Sound Calibrators
JJF 1001-2011 General Terms in Metrology and Their Definitions
JJF 1034-2020 Terms and Definitions for Acoustical Metrology
JJF 1288-2011 Calibration Specification for Multi-Channels Sound Analyzers
GB/T 3102.7-1993 Quantities and units—Acoustics
GB/T 3947-1996 Acoustical terminology
GB/T 7584.2-1999 Acoustics—Hearing protectors—Part 2:Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
ISO 11904-1:2002
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