# ISO/IEC 23008-9:2019 — Withdrawn and superseded ISO standards

For ISO/IEC 23008-9:2019, item title is Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 9: 3D Audio conformance testing; status code is 9599; successor is ISO/IEC 23008-9:2022; withdrawn / published date is 2019-01-15, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 23008-9:2019 _(verified: appears in the quote below)_
- **Item title:** Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 9: 3D Audio conformance testing _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 23008-9:2022
- **Withdrawn / published date:** 2019-01-15 _(verified: appears in the quote below)_

## What the source says

> 71974,IS,,ISO/IEC 23008-9:2019,Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 9: 3D Audio conformance testing,Technologies de l'information — Codage à haut rendement et fourniture de supports dans les environnements hétérogènes — Partie 9: Essais de conformité 3D Audio,2019-01-15,1,['35.040.40'],ISO/IEC JTC 1/SC 29,9599,,[81584],['en'],88,<p>This document specifies conformance criteria for both bitstreams and decoders compliant with the MPEG-H 3D audio standard as defined in ISO/IEC 23008-3. This is done to assist implementers and to ensure interoperability.</p>

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).