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BSI - BS EN ISO 4869-4

Acoustics - Hearing Protectors - Part 4: Measurement of Effective Sound Pressure Levels for Level-Dependent Sound-Restoration Ear Muffs

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Organization: BSI
Publication Date: 15 August 2000
Status: active
Page Count: 18
ICS Code (Head protective equipment): 13.340.20
ICS Code (IT Security): 35.030

Document History

BS EN ISO 4869-4
August 15, 2000
Acoustics - Hearing Protectors - Part 4: Measurement of Effective Sound Pressure Levels for Level-Dependent Sound-Restoration Ear Muffs
A description is not available for this item.

References

This document references:
ISO 4869-1 - Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation
Published by ISO on October 1, 2018
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...
This document references:
EN ISO 4869-2 - Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
Published by CEN on November 1, 2018
This document specifies three methods (the octave-band, HML and SNR methods) of estimating the A-weighted sound pressure levels effective when hearing protectors are worn. The methods are applicable...
This document references:
ISO 4869-2 - Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
Published by ISO on October 1, 2018
This document specifies three methods (the octave-band, HML and SNR methods) of estimating the A-weighted sound pressure levels effective when hearing protectors are worn. The methods are applicable...
This document is referenced by:
BS PD 6545 - Intended use of human head and ear simulators - Guide
Published by BSI on February 23, 2005
A description is not available for this item.
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