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ISO 4869-1

Acoustics - Hearing Protectors - Part 1: Subjective Method for the Measurement of Sound Attenuation

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Organization: ISO
Publication Date: 1 January 1990
Status: inactive
Page Count: 11
ICS Code (Head protective equipment): 13.340.20

Document History

ISO 4869-1
October 1, 2018
Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation
This document specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing. The method is a laboratory method designed to yield reproducible values...
ISO 4869-1
January 1, 1990
Acoustics - Hearing Protectors - Part 1: Subjective Method for the Measurement of Sound Attenuation
A description is not available for this item.

References

This document references:
IEC 61672-1 - Electroacoustics - Sound level meters - Part 1: Specifications
Published by IEC on September 1, 2013
This part of IEC 61672 gives electroacoustical performance specifications for three kinds of sound measuring instruments: a time-weighting sound level meter that measures exponential-time-weighted,...
This document references:
IEC 60263 - Scales and sizes for plotting frequency characteristics and polar diagrams
Published by IEC on June 1, 2020
This document specifies standard aspect ratios for logarithmic or level characteristics expressed in decibels versus a logarithmic frequency axis and ranges for the radius of polar diagrams of level....
This document is referenced by:
BS EN ISO 4869-2 - Acoustics - Hearing protectors Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
Published by BSI on November 30, 2018
A description is not available for this item.
This document is referenced by:
BS EN ISO 4869-3 - Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
Published by BSI on August 31, 2007
A description is not available for this item.
This document is referenced by:
P.58 - Head and torso simulator for telephonometry
Published by ITU-T on March 1, 2023
This Recommendation specifies the electroacoustic characteristics of the head and torso simulator (HATS) for telephonometric use. Both sound emissions and sound pick-up characteristics are specified;...
This document is referenced by:
IEC 60645-1 - Electroacoustics – Audiometric equipment – Part 1: Equipment for pure-tone and speech audiometry
Published by IEC on March 1, 2017
This part of IEC 60645 specifies general requirements for audiometers designed for use in determining hearing threshold levels, relative to standard reference threshold levels established by means of...
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