AFNOR - NF EN 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
inactive
| Organization: | AFNOR |
| Publication Date: | 1 February 2006 |
| Status: | inactive |
| ICS Code (Noise with respect to human beings): | 13.140 |
Document History
November 27, 2019
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.
October 14, 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.
NF EN ISO 389-7
February 1, 2006
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.
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