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ISO/IEC 23003-4:2020Withdrawn

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

Technologies de l'information — Technologies audio MPEG — Partie 4: Contrôle de gamme dynamique

This edition has been replaced by ISO/IEC 23003-4:2025.

Abstract / scope

This document 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.

Life cycle

Amendments & corrigenda

ISO/IEC 23003-4:2020/Amd 1:2022WithdrawnInformation technology — MPEG audio technologies — Part 4: Dynamic range control — Amendment 1: Side chain normalizationInternational Standard · Published 5 Jul 2022 · ISO/IEC JTC 1/SC 29ISO/IEC 23003-4:2020/Amd 2:2023WithdrawnInformation technology — MPEG audio technologies — Part 4: Dynamic range control — Amendment 2: Loudness levelingInternational Standard · Published 16 Oct 2023 · ISO/IEC JTC 1/SC 29

Replaces

ISO/IEC 23003-4:2015WithdrawnInformation technology — MPEG audio technologies — Part 4: Dynamic Range ControlInternational Standard · Published 10 Nov 2015 · ISO/IEC JTC 1/SC 29ISO/IEC 23003-4:2015/Amd 2:2017WithdrawnInformation technology — MPEG audio technologies — Part 4: Dynamic Range Control — Amendment 2: Reference softwareInternational Standard · Published 24 Oct 2017 · ISO/IEC JTC 1/SC 29ISO/IEC 23003-4:2015/Amd 1:2017WithdrawnInformation technology — MPEG audio technologies — Part 4: Dynamic Range Control — Amendment 1: Parametric DRC, gain mapping and equalization toolsInternational Standard · Published 22 Dec 2017 · ISO/IEC JTC 1/SC 29

Replaced by

ISO/IEC 23003-4:2025PublishedInformation technology — MPEG audio technologies — Part 4: Dynamic range controlInternational Standard · Published 19 Mar 2025 · ISO/IEC JTC 1/SC 29