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EN ISO 389-9:2009

Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009) EN ISO 389-9:2009

Publication date:   Jan 30, 2010

General information

60.60 Standard published   May 15, 2009

CEN

CEN/TC 211 Acoustics

European Norm

13.140   Noise with respect to human beings

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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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PUBLISHED
EN ISO 389-9:2009
60.60 Standard published
May 15, 2009