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About This Item

 

Full Description

Describes a numerical and graphical method for determining the noise rating (NR) number from the measured set of nine octave band sound pressure levels pertaining to the noise in a given environment.
 

Document History

  1. AS 1469-1983

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    Acoustics - Methods for the determination of noise rating numbers

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  2. AS 1469-1973


    Criteria curves for rating noise and establishing acoustic environment

    • Historical Version