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This Document Has Been Superseded
A newer publication replaces it: BSI BS EN ISO 266
Recommendation on preferred frequencies for acoustical measurements
Recommendation on preferred frequencies for acoustical measurements.
For certain acoustical measurements a constant frequency increment is a suitable spacing. More commonly, however, a constant percentage increment is adopted and the test frequencies then form a geometric series.
The standard deals with the geometric series and is not intended to apply where a constant frequency increment or other particular spacing would be more suitable. It does not deal with frequencies for music.
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