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  • BSI
    BS EN ISO 389-1:2018 Acoustics. Reference zero for the calibration of audiometric equipment - Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
    Edition: 2018
    $316.70
    / user per year

Description of BS EN ISO 389-1:2018 2018

This document specifies a standard reference zero for the scale of hearing threshold level applicable to pure-tone air conduction audiometers, to promote agreement and uniformity in the expression of hearing threshold level measurements throughout the world.

It states the information in a form suitable for direct application to the calibration of audiometers, that is, in terms of the reference equivalent threshold sound pressure levels of generic supra-aural earphones specified in 4.2, measured on an ear simulator complying with IEC 60318-1 and in terms of model-specific data given in two additional tables for the IEC 60318-3 acoustic coupler and the IEC 60318-1 ear simulator, respectively.

The data are based on an assessment of the information available from the various standardizing laboratories responsible for audiometric standards and from scientific publications.

Some notes on the application and derivation of the reference levels are given in Annexes A and B.



Standard NumberBS EN ISO 389-1:2018
TitleAcoustics. Reference zero for the calibration of audiometric equipment - Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
StatusConfirmed
Publication Date2018-03-02
ReplacesBS EN ISO 389-1:2000
Identical National Standard OfEN ISO 389-1:2018, ISO 389-1:2017
DescriptorsFrequencies, Acoustic engineering, Acoustics, Couplers, Audiometry, Calibration, Artificial ears, Single, Sound intensity, Airborne noise, Reference conditions, Hearing (auditory perception), Earphones, Acoustic measurement, Measuring instruments, Auditory threshold, Acoustic equipment
ICS13.140 Noise with respect to human beings, 17.140.50 Electroacoustics, 11.040.01 Medical equipment in general
CommitteeEH/1/1
ISBN978 0 580 92334 0
PublisherBSI
Pages18

The following editions for this book are also available...

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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