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Synchronized Multimedia Integration Language (SMIL 2.0)

W3C Recommendation 07 August 2001

This version:

http://www.w3.org/TR/2001/REC-smil20-20010807/
(Other formats:single HTML file,zip archive)

Latest version:

http://www.w3.org/TR/smil20

Previous version:

http://www.w3.org/TR/2001/PR-smil20-20010605/

Editors:

Jeff Ayars (RealNetworks), Dick Bulterman (Oratrix), Aaron Cohen (Intel), Ken Day (Macromedia), Erik Hodge (RealNetworks), Philipp Hoschka (W3C), Eric Hyche (RealNetworks), Muriel Jourdan (INRIA), Michelle Kim (IBM), Kenichi Kubota (Panasonic), Rob Lanphier (RealNetworks), Nabil Layaïda (INRIA), Thierry Michel (W3C), Debbie Newman (Microsoft), Jacco van Ossenbruggen (CWI), Lloyd Rutledge (CWI), Bridie Saccocio (RealNetworks), Patrick Schmitz (Microsoft), Warner ten Kate (Philips).

Copyright ©2001W3C^® (MIT,INRIA,Keio), All Rights Reserved. W3Cliability,trademark,document use andsoftware licensing rules apply.

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Abstract

This document specifies the second version of the Synchronized MultimediaIntegration Language (SMIL, pronounced "smile"). SMIL 2.0 has the followingtwo design goals:

• Define an XML-based language that allows authors to write interactive multimedia presentations. Using SMIL 2.0, an author can describe the temporal behavior of a multimedia presentation, associate hyperlinks with media objects and describe the layout of the presentation on a screen.
• Allow reusing of SMIL syntax and semantics in other XML-based languages, in particular those who need to represent timing and synchronization. For example, SMIL 2.0 components are used for integrating timing into XHTML[XHTML10] and into SVG[SVG].

Status of this document

This section describes the status of this document at the time of itspublication. Other documents may supersede this document. The latest statusof this document series is maintained at the W3C.

This is the W3CRecommendationof the Synchronized Multimedia Integration Language (SMIL) 2.0.

This document has been reviewed by W3C Members and other interested partiesand has been endorsed by the Director as a W3C Recommendation. It is a stabledocument and may be used as reference material or cited as a normative referencefrom another document. W3C's role in making the Recommendation is to drawattention to the specification and to promote its widespread deployment.This enhances the functionality and interoperability of the Web.

This document has been produced by theSYMM Working Group[members only] as part of theW3C Synchronized MultimediaActivity. The goals of the SYMM Working Group are discussed in theSYMM WorkingGroup charter[members only].

The SYMM Working Group considers that all features in the SMIL 2.0 Recommendationhave been implemented at least twice in an interoperable way. TheSYMMWorking Group Charter defines this as the implementations having beendeveloped independently by different organizations and each test in the publicSMIL 2.0 test suitehas at least two passing implementations. TheImplementationresults are publicly released and are intended solely to be used as proofof SMIL 2.0 implementability. It is only a snap shot of the actual implementationbehaviors at one moment of time, as these implementations may not be immediatelyavailable to the public. The interoperability data is not intended to beused for assessing or grading the performance of any individual implementation.

There are patent disclosures and license commitments associated with theSMIL 2.0 Recommendation, thesemay be found on theSYMM Patent Statement pagein conformance withW3C policy.

This version of this document incorporates some editorial changes from earlierversions.

Please report errors in this document towww-smil@w3.org -(publicarchives).
The list ofknown errorsin this specification is available athttp://www.w3.org/2001/07/REC-SMIL20-20010731-errata.

The authors of this document are the SYMM Working Group members. Differentparts of the document have different editors.
The W3C staff contact for work on SMIL isThierry MICHEL.

The English version of this specification is the only normative version.Information about translations of this document is available athttp://www.w3.org/AudioVideo/SMIL/translations.

A list ofcurrent W3C Recommendations andother technical documents can be found athttp://www.w3.org/TR.