Editing Moving Picture Experts Group (section)

==Standardization process==
{{main|International Organization for Standardization#Standardization process}}
A standard published by ISO/IEC is the last stage of an approval process that starts with the proposal of new work within a committee. Stages of the standard development process include:<ref name="about-mpeg" /><ref>{{cite web |url=http://www.iso.org/iso/standards_development/processes_and_procedures/stages_description/stages_table.htm#s90 |title=International harmonized stage codes |author=ISO |access-date=2009-12-31}}</ref><ref name="iso-stages">{{cite web |url=http://www.iso.org/iso/standards_development/processes_and_procedures/stages_description.htm |title=Stages of the development of International Standards |author=ISO |access-date=2009-12-31}}</ref><ref name="acronyms-committees">{{cite web |url=http://www.iso27001security.com/html/about_iso27k.html#WhatIsFDIS |title=The ISO27k FAQ – ISO/IEC acronyms and committees |publisher=IsecT Ltd. |access-date=2009-12-31}}</ref><ref name="iso-directives-procedures">{{cite web |url=http://www.astm.org/COMMIT/1st_Supplement.pdf |title=ISO/IEC Directives Supplement – Procedures specific to ISO |year=2007 |author=ISO |access-date=2009-12-31}}</ref><ref name="abbr">{{cite web |url=http://www.iso.org/iso/support/faqs/faqs_list_abbreviations.htm |title=List of abbreviations used throughout ISO Online |year=2007 |author=ISO |access-date=2009-12-31}}</ref>
* NP or NWIP – New Project or New Work Item Proposal
* AWI – Approved Work Item
* WD – Working Draft
* CD or CDAM – Committee Draft or Committee Draft Amendment
* DIS or DAM – Draft International Standard or Draft Amendment
* FDIS or FDAM – Final Draft International Standard or Final Draft Amendment
* IS or AMD – International Standard or Amendment

Other abbreviations:
* DTR – Draft Technical Report (for information)
* TR – Technical Report
* DCOR – Draft Technical Corrigendum (for corrections)
* COR – Technical Corrigendum

A proposal of work (New Proposal) is approved at the Subcommittee level and then at the Technical Committee level (SC&nbsp;29 and JTC&nbsp;1, respectively, in the case of MPEG). When the scope of new work is sufficiently clarified, MPEG usually makes open "calls for proposals". The first document that is produced for audio and video coding standards is typically called a test model. When a sufficient confidence in the stability of the standard under development is reached, a Working Draft (WD) is produced. When a WD is sufficiently solid (typically after producing several numbered WDs), the next draft is issued as a Committee Draft (CD) (usually at the planned time) and is sent to National Bodies (NBs) for comment. When a consensus is reached to proceed to the next stage, the draft becomes a Draft International Standard (DIS) and is sent for another ballot. After a review and comments issued by NBs and a resolution of comments in the working group, a Final Draft International Standard (FDIS) is typically issued for a final approval ballot. The final approval ballot is voted on by National Bodies, with no technical changes allowed (a yes/no approval ballot). If approved, the document becomes an International Standard (IS). In cases where the text is considered sufficiently mature, the WD, CD, and/or FDIS stages can be skipped. The development of a standard is completed when the FDIS document has been issued, with the FDIS stage only being for final approval, and in practice, the FDIS stage for MPEG standards has always resulted in approval.<ref name="about-mpeg" />