ISO 389-7
Acoustics - Reference Zero for the Calibration of Audiometric Equipment - Part 7: Reference Threshold of Hearing Under Free-Field and Diffuse-Field Listening Conditions
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| Organization: | ISO |
| Publication Date: | 15 December 1996 |
| Status: | inactive |
| Page Count: | 14 |
| ICS Code (Noise with respect to human beings): | 13.140 |
Document History
October 1, 2019
Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
This document specifies a reference threshold of hearing for the calibration of audiometric equipment used under the following conditions.
a) The sound field in the absence of the listener consists...
July 15, 2016
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions AMENDMENT 1: Reference threshold of hearing at 20 Hz and 18 000 Hz under free-field listening conditions and at 20 Hz under diffuse-field listening conditions
A description is not available for this item.
November 1, 2005
Acoustics Reference zero for the calibration of audiometric equipment Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
A description is not available for this item.
ISO 389-7
December 15, 1996
Acoustics - Reference Zero for the Calibration of Audiometric Equipment - Part 7: Reference Threshold of Hearing Under Free-Field and Diffuse-Field Listening Conditions
A description is not available for this item.