# ISO/IEC 23003-3:2012/Amd 3:2016 — Withdrawn and superseded ISO standards For ISO/IEC 23003-3:2012/Amd 3:2016, item title is Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 3: Support of MPEG-D DRC, audio pre-roll and immediate play-out frame; status code is 9599; successor is ISO/IEC 23003-3:2020; withdrawn / published date is 2016-07-21, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 23003-3:2012/Amd 3:2016 _(verified: appears in the quote below)_ - **Item title:** Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 3: Support of MPEG-D DRC, audio pre-roll and immediate play-out frame _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 23003-3:2020 - **Withdrawn / published date:** 2016-07-21 _(verified: appears in the quote below)_ ## What the source says > 68643,IS,Amd,ISO/IEC 23003-3:2012/Amd 3:2016,"Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 3: Support of MPEG-D DRC, audio pre-roll and immediate play-out frame","Technologies de l'information — Technologies audio MPEG — Partie 3: Discours unifié et codage audio — Amendement 3: Support de DRC MPEG-D, message préliminaire audio et cadre de lecture immédiat",2016-07-21,1,['35.040.40'],ISO/IEC JTC 1/SC 29,9599,,[76385],['en'],13, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).