NF EN ISO 266 : 1997
Current
Current
The latest, up-to-date edition.
ACOUSTICS - PREFERRED FREQUENCIES
Published date
12-01-2013
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Defines preferred frequencies for acoustical measurements, based on the R10 series of preferred numbers in ISO 3 and reference frequency of 1000 Hz.Does not include frequencies for music, all audiometric frequencies or series other than R10 from ISO 3. Nor does it apply when a constant frequency increment, or other particular spacing would be more suitable, or when the adoption or retention of other frequencies is preferable.
| DevelopmentNote |
Supersedes NFS 30 002: 1972 (10/2001)
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| DocumentType |
Standard
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| PublisherName |
Association Francaise de Normalisation
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| Status |
Current
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| Supersedes |
| Standards | Relationship |
| ISO 266:1997 | Identical |
| EN ISO 266:1997 | Identical |
| BS EN ISO 266:1997 | Identical |
| UNE-EN ISO 266:1998 | Identical |
| DIN EN ISO 266:1997-08 | Identical |
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