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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
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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

PUBLISH DATE 2009
ISO 389-9:2009

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.

SDO ISO: International Organization for Standardization
Document Number ISO 389
Publication Date May 15, 2009
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 43
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