GB/T 46342-2025General test methods for hearing protectors (English PDF)
听力防护装备通用测试方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 5, 2025
Implementation date
November 1, 2026
Scope
GB/T 46342-2025 is the English-translated version of 听力防护装备通用测试方法.
GB/T 46342-2025 is the Chinese standard "General test methods for hearing protectors". Its scope clause reads: This document describes the testing methods for over-ear and in-ear hearing protection devices.
This document applies to the physical performance testing, basic acoustic performance testing, and additional acoustic performance testing of over-ear and in-ear hearing protection devices. test. Its clauses include terms and definitions.
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Document preview — GB/T 46342-2025
National Standard of the People's Republic of China
- ICS
- 13.340.20
- Classification
- C 73
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1.Scope
- 2 Normative References
- 3.Terms and Definitions
- 4.Test conditions
- 5.Physical performance testing methods
- 5.1 Earplugs
- 5.2 Earmuffs
- 6.Basic Acoustic Performance Testing Methods
- 6.1 Insertion Loss
- 6.2 Sound attenuation
- 7 Additional acoustic performance testing methods
- 7.1 Test apparatus
- 7.2 Test Signal
- 7.3 Sound Level Related Earphones
- 7.4 Sound Level Related Type Earmuffs
- 7.5 Active noise-canceling earcups
- 7.6 Earbuds with wired electronic audio input
- 7.7 Earcups with wired electronic audio input
- 7.8 Earbuds with FM radio receiver
- 7.9 Earcups with FM radio receiver
- 7.10 Earbuds with digital audio broadcast receiver
- 7.11 Earcups with digital audio broadcast receiver
- 7.12 Earbuds with Bluetooth Receiver
- 7.13 Earcups with Bluetooth receiver, size
- 7.14 Earplugs with two-way radio communication
- 7.15 Earmuffs with two-way radio communication
- Appendix A (Informative) Test Procedure
- Appendix B (Informative) Summary of Test Information
- Appendix C (Normative) Ho, M, Lo Test Signals and Pink Noise with Lp, A=100dB
1 Scope
This document describes the testing methods for over-ear and in-ear hearing protection devices.
This document applies to the physical performance testing, basic acoustic performance testing, and additional acoustic performance testing of over-ear and in-ear hearing protection devices.
test.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 2812-2024 General Test Methods for Head Protection
GB/T 6278-2012 Overview of Sound System Equipment - Analog Program Signal
GB/T 7584.3 Acoustic hearing protectors - Part 3.Measurement of insertion of over-ear hearing protectors using a dedicated acoustic testing apparatus loss
GB/T 12903 Terminology for Personal Protective Equipment
GB 31422.1 Hearing protection equipment - Part 1.Earplugs
GB 31422.2 Hearing protection equipment - Part 2.Earmuffs
ISO 4869-1.2018 Acoustics - Hearing protection - Part 1.Subjective methods for measuring sound attenuation
ISO 4869-2.2018 Acoustic hearing aids - Part 2.Effective A-weighted sound pressure level estimation while wearing hearing aids protectorsareworn)
ISO 11904-2.2021 Measurement of sound emitted from near-ear sources - Part 2.Techniques using human models (Acoustics) amanikin)
IEC 60318-4.2010 Electroacoustic head and ear simulators - Part 4.Measurement of plugged-in headphones using an ear-plug simulator
ITU-T P.50.1999 P Series. Telephone transmission quality, telephone apparatus, local line networks, objective measurement instruments, artificial voice (SERIES P.TELEPHONE TRANSMISSION QUALITY,TELEPHONE INSTALLATIONS,
3 Terms and Definitions
The terms and definitions defined in GB/T 12903, GB 31422.1, and GB 31422.2, as well as the following terms and definitions, apply to this document.
GB 42298 | GB 39800.1 | GB 39800.2 | GB 16556 | GB 13641 | […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 63 pages — is available in the English PDF.
Referenced standards
Normative references
Editions of GB/T 46342
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 46342-2025 | General test methods for hearing protectors | current edition | Current |
This page sells the current edition, GB/T 46342-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 2812-2024 — Head protection - General test methods
GB/T 6278-2012 — Simulated programme signal
GB/T 7584.3-2011 — Acoustics -- Hearing protectors -- Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
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