# ISO/IEC 21122-2:2019 — Withdrawn and superseded ISO standards For ISO/IEC 21122-2:2019, item title is Information technology — JPEG XS low-latency lightweight image coding system — Part 2: Profiles and buffer models; status code is 9599; successor is ISO/IEC 21122-2:2022; withdrawn / published date is 2019-06-27, recorded from its source on 2026-08-05. - **Identifier:** ISO/IEC 21122-2:2019 _(verified: appears in the quote below)_ - **Item title:** Information technology — JPEG XS low-latency lightweight image coding system — Part 2: Profiles and buffer models _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/IEC 21122-2:2022 - **Withdrawn / published date:** 2019-06-27 _(verified: appears in the quote below)_ ## What the source says > 74536,IS,,ISO/IEC 21122-2:2019,Information technology — JPEG XS low-latency lightweight image coding system — Part 2: Profiles and buffer models,Titre manque — Partie 2: Titre manque,2019-06-27,1,['35.040.40'],ISO/IEC JTC 1/SC 29,9599,,[81552],['en'],47,

This document defines a limited number of subsets of the syntax specified in ISO/IEC 21122-1 and a buffer model to ensure interoperability between implementations in the presence of a latency constraint.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).