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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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 389-9:2009
Document Year: 2009
Pages: 9
Edition: 1
  • ICS:
  • 13.140 Noise with respect to human beings

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ISO 389-9:2009
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