# ISO/IEC 23008-3:2019/Amd 1:2019 — Withdrawn and superseded ISO standards For ISO/IEC 23008-3:2019/Amd 1:2019, item title is Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 3: 3D audio — Amendment 1: Audio metadata enhancements; status code is 9599; successor is ISO/IEC 23008-3:2022; withdrawn / published date is 2019-07-01, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 23008-3:2019/Amd 1:2019 _(verified: appears in the quote below)_ - **Item title:** Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 3: 3D audio — Amendment 1: Audio metadata enhancements _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 23008-3:2022 - **Withdrawn / published date:** 2019-07-01 _(verified: appears in the quote below)_ ## What the source says > 77254,IS,Amd,ISO/IEC 23008-3:2019/Amd 1:2019,Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 3: 3D audio — Amendment 1: Audio metadata enhancements,Technologies de l'information — Codage à haute efficacité et livraison des medias dans des environnements hétérogènes — Partie 3: Audio 3D — Amendement 1: Améliorations de la prise en charge des métadonnées audio,2019-07-01,2,['35.040.40'],ISO/IEC JTC 1/SC 29,9599,,[83525],['en'],36, ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).