GB/T 43537-2023Sound system equipment—Headphones and earphones associated with personal music players—Measurement methods of maximum sound pressure level (English PDF)

声系统设备耳机及个人音乐播放器最大声压级测量方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 28, 2023

Implementation date

July 1, 2024

Scope

GB/T 43537-2023 is the English-translated version of 声系统设备耳机及个人音乐播放器最大声压级测量方法.

GB/T 43537-2023 is the Chinese national standard covering sound system equipment, Headphones and earphones associated with personal music players, Measurement methods of maximum sound pressure level. Issued on 28 December 2023, it has been in force since 1 July 2024.

Document preview — GB/T 43537-2023

National Standard of the People's Republic of China

ICS: 33.160.99
Classification: M 72

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceI1
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Abbreviations2
5 Measurement methods for personal music players that are sold as a set with headphones and cannot be used separately2
5:1 Overview2
5:2 Test Principle2
5:3 Test signal3
5:4 Measurement method3
6 Measurement methods for headphones and personal music players5
6:1 Overview5
6:2 Measurement conditions5
6:3 Music player characteristics and measurement methods5
6:4 Headphone characteristics and measurement methods6
7 Measurement methods for sound dose management6
7:1 Limits and calibration6
7:2 Measurement methods7
Appendix A (informative) Example 10 of test procedures for acoustic safety of listening equipment13
Appendix B (informative) Example 12 of how to achieve basic protection13
Appendix C (informative) Background information13
Reference15

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting:

Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:

This document is proposed by the Ministry of Industry and Information Technology of the People's Republic of China:

This document is under the jurisdiction of the National Audio, Video and Multimedia Systems and Equipment Standardization Technical Committee (SAC/TC242):

This document was drafted by: China Electronics Technology Standardization Institute, Fujian Product Quality Inspection Institute, Nanjing University, Shenzhen Saixixin Information Technology Co:, Ltd:, OPPO Guangdong Mobile Communications Co:, Ltd:, Goertek Co:, Ltd:, Beijing Tairuite Testing Technology Service Co:, Ltd:

Ren Company, Jiahe Intelligent Technology Co:, Ltd:, Plantronics Communication Technology (Suzhou) Co:, Ltd:, Beijing Ruisen Xinpu Technology Co:, Ltd:

Company, Samsung Electronics (China) R&D Center, Shenzhen Skyworth Digital Technology Co:, Ltd:

The main drafters of this document: Dong Guiguan, Wu Wangzhen, Zhang Jian, He Penglin, Liu Huayi, Liu Yunzhu, Wang Ying, Shen Yong, Yan Bixiang, Jiang Chao, Xu Yongsheng, Zhao Jing, Hu Zhongji, Xu Xiaobing, Hu Guangxi, Zhang Xiaohui, Zhang Zhihai, Zhang Yanqiang, Ruan Xiangyuan, Sun Qifeng, Xie Binbin, Zhong Chengjian, Cai Hui, Zheng Chunjun, Song Wenping, Chen Fei:

Sound system equipment, headphones and personal music players Maximum sound pressure level measurement method

1 Scope

This document describes a method for measuring the maximum sound pressure level produced by consumer headphones and personal music players, including the use of headphones Measurement of equipment or earphones, a combination of earphones and personal music players provided as a set and connected using a common interface such as wired or wireless method:

This document applies to the design, manufacturing and inspection of headphones for consumer use and personal music players that can be connected to headphones:

This document does not apply to mains-powered high-fidelity home equipment, monitoring headphones, headphones for medical purposes (hard of hearing, etc:) or as main Headphones and bone conduction headphones used as part of active hearing protection devices:

Note: Other safety requirements such as noise protection in office spaces or industrial environments are not affected by this document:

2 Normative reference documents

GB/T 3241

GB/T 3785

GB 4943

GB/T 6163

GB/T 12060

IEC 60318

IEC 62368

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 LAeq,T The equivalent continuous A-weighted sound pressure level is defined as follows:

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 3241 · GB/T 3785 · GB 4943 · GB/T 6163 · GB/T 12060 · IEC 60318 · IEC 62368

Editions of GB/T 43537

Edition	Title	Revision	Status
GB/T 43537-2023	Sound system equipment - Headphones and earphones associated with personal music players - Measurement methods of maximum sound pressure level	current edition	Current

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