I.S. EN ISO 389-7:2005/A1:2016
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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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 (ISO 389-7:2005/Amd 1:2016)
Hardcopy , PDF
31-05-2020
English
28-08-2016
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Important note : Users cannot be edited or removed once added to your Multi user PDF.This part of ISO 389 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 of either a free progressive plane wave (free field) or a diffuse sound field, as specified in ISO 8253-2. In the case of a free field, the source of sound is directly in front of the listener (frontal incidence).
| Committee |
TC 43
|
| DocumentType |
Amendment
|
| Pages |
0
|
| ProductNote |
The date of any NSAIprevious adoption may not matchthe date of its original CEN/CENELEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| SupersededBy |
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