# ISO/IEC 23003-3:2012/Cor 4:2015 — Withdrawn and superseded ISO standards

For ISO/IEC 23003-3:2012/Cor 4:2015, item title is Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Technical Corrigendum 4; status code is 9599; successor is ISO/IEC 23003-3:2020; withdrawn / published date is 2015-08-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC 23003-3:2012/Cor 4:2015 _(verified: appears in the quote below)_
- **Item title:** Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Technical Corrigendum 4 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 23003-3:2020
- **Withdrawn / published date:** 2015-08-21 _(verified: appears in the quote below)_

## What the source says

> 68644,IS,Cor,ISO/IEC 23003-3:2012/Cor 4:2015,Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Technical Corrigendum 4,Technologies de l'information — Technologies audio MPEG — Partie 3: Discours unifié et codage audio — Rectificatif technique 4,2015-08-21,1,['35.040.40'],ISO/IEC JTC 1/SC 29,9599,,[76385],['en'],5,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).