SS-EN-ISO-389-1 Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017)

SS-EN-ISO-389-1 - 2018 EDITION - CURRENT
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ISO 389-1:2017 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. ISO 389-1:2017 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.

To find similar documents by classification:

13.140 (Noise with respect to human beings Including audiometry Hearing protectors, see 13.340.20 Acoustics and acoustic measurements, see 17.140)

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Designation Name

SS-EN ISO 389-1:2018

Revision Level

2018 EDITION

Status

Current

Publication Date

Feb. 22, 2018

Language(s)

English

Page Count

28

International Equivalent

EN ISO 389-1:2018(IDT); ISO 389-1:2017(IDT)