ISO-389-9 Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels

ISO-389-9 - 1ST EDITION - CURRENT


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ISO 389-9:2009 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.

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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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Document Number

ISO 389-9:2009

Revision Level

1ST EDITION

Status

Current

Publication Date

May 15, 2009

Committee Number

ISO/TC 43