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  • BSI
    BS ISO 532-2:2017 Acoustics. Methods for calculating loudness - Moore-Glasberg method
    Edition: 2017
    $442.60
    / user per year

Description of BS ISO 532-2:2017 2017

This document specifies a method for estimating the loudness and loudness level of stationary sounds as perceived by otologically normal adult persons under specific listening conditions. It provides an algorithm for the calculation of monaural or binaural loudness for sounds recorded using a single microphone, using a head and torso simulator, or for sounds presented via earphones. The method is based on the Moore-Glasberg algorithm.

NOTE 1 Issues of binaural calculations are discussed in Annex A.

NOTE 2 Users who wish to study the details of the calculation method can review or implement the source code, which is entirely informative and provided with this document for the convenience of the user.

This method can be applied to tones, broadband noises and complex sounds with sharp line spectral components, for example transformer hum or fan noise.

NOTE 3 It has been shown (see Reference [15]) that this method provides a good match to the contours of equal loudness level as defined in ISO 226:2003 and the reference threshold of hearing as defined in ISO 389‑7:2005 .

The evaluation of the harmful effect of sound events is outside the scope of this document.



Standard NumberBS ISO 532-2:2017
TitleAcoustics. Methods for calculating loudness - Moore-Glasberg method
StatusRevision Underway
Publication Date2017-07-06
Identical National Standard OfISO 532-2:2017
DescriptorsSound intensity, Acoustic waves, Mathematical calculations, Instruments, Signals, Volume (sound), Acoustics
ICS17.140.01 Acoustic measurements and noise abatement in general
CommitteeEH/1/1
ISBN978 0 580 81404 4
PublisherBSI
Pages40

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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