Specifies two methods for calculating the loudness level of a complex sound in terms of a single number calculated from a spectrum analysis. Method A utilizes physical measurements obtained from spectrum analysis in terms of octave bands. Method B utilizes spectrum analysis in terms of one-third octave bands. This Standard is identical with and has been reproduced from ISO 532:1975.
More Standards PDF
AS/NZS 4240.1:2009
$50.00 $101.00
AS/NZS 3750.22:2008
$26.00 $52.00
AWS NAVSEA B2.1-1-313:2020
$170.00 $340.00
AWS C2.26/C2.26M:2025
$52.00 $104.00