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ISO (International Organization for Standardization) is the world’s largest producer of optional international standards. International standards determine current specifications of products, services and certified methods, helping to streamline the industry. As they are created on the basis of international agreement, they assist in overcoming barriers in international trade.
Information technology - Coding of audio-visual objects - Part 33: Internet video coding
Standard published on 28.2.2019
Selected format:
Information technology - Coding of audio-visual objects - Part 34: Syntactic description language
(Technologies de l´information - Codage des objets audiovisuels - Partie 34: Langage de description syntaxique)
Standard published on 13.5.2025
Selected format:Information technology - Coding of audio-visual objects - Part 4: Conformance testing
Standard published on 13.12.2004
Selected format:Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 1: Conformance testing for MPEG-4
Change published on 12.4.2005
Selected format:Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 1: Conformance testing for MPEG-4 - Technical Corrigendum 1
Correction published on 18.8.2005
Selected format:Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 1: Conformance testing for MPEG-4 - Technical Corrigendum 2
Correction published on 22.4.2008
Selected format:Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 10: Conformance extensions for simple profile levels 4a and 5
Change published on 17.11.2005
Selected format:Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 17: Advanced text and 2D graphics conformance
Change published on 5.7.2007
Selected format:Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 2: MPEG-4 conformance extensions for XMT and media nodes
Change published on 12.4.2005
Selected format:Information technology - Coding of audio-visual objects - Part 4: Conformance testing - Amendment 23: Synthesized texture conformance
Change published on 7.4.2008
Selected format:Latest update: 2026-04-22 (Number of items: 2 274 512)
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