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
active, Most Current
Buy Now
| Organization: | ISO |
| Publication Date: | 15 May 2009 |
| Status: | active |
| Page Count: | 14 |
| ICS Code (Noise with respect to human beings): | 13.140 |
scope:
This part of ISO 389 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.
Document History
ISO 389-9
May 15, 2009
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels
This part of ISO 389 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.