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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)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Current
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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