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About This Item

 

Full Description

The objective of this Standard is to specify two methods for estimating the loudness and loudness level of sounds as perceived by otologically normal persons under specific listening conditions. The first method is intended for stationary sounds and the second method for arbitrary non-stationary (time-varying) sounds, including stationary sounds as a special case.
 

Document History

  1. AS ISO 532.1:2019

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    Acoustics - Methods for calculating loudness, Part 1: Zwicker Method

    • Most Recent
  2. AS 3657.2-1996


    Acoustics - Expression of the subjective magnitude of sound or noise, Part 2: Method for calculating loudness level

    • Historical Version