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About This Item

 

Full Description

ISO/IEC 23003-4:2020 specifies technology for loudness and dynamic range control. It is applicable to most MPEG audio technologies. It offers flexible solutions to efficiently support the widespread demand for technologies such as loudness normalization and dynamic range compression for various playback scenarios.

 

Document History

  1. ISO/IEC 23003-4:2020

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    Information technology - MPEG audio technologies - Part 4: Dynamic range control

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  2. ISO/IEC 23003-4:2015


    Information technology - MPEG audio technologies - Part 4: Dynamic Range Control

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. ISO/IEC 23003-4:2020/Amd2:2023


    - Amendment 2: Information technology - MPEG audio technologies - Part 4: Dynamic range control - Amendment 2: Loudness leveling

  2. ISO/IEC 23003-4:2020/Amd1:2022


    - Amendment 1: Information technology - MPEG audio technologies - Part 4: Dynamic range control - Amendment 1: Side chain normalization