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Synchronized Multimedia Integration Language (SMIL 3.0)

W3C Working Draft 20 December 2006

This version:
Latest SMIL 3 version:
Latest SMIL Recommendation:
Previous version:
(this is the first publication)
Dick Bulterman, CWI - Pablo Cesar, CWI - Samuel Cruz-Lara, INRIA - Marisa DeMeglio, DAISY Consortium - Xabiel García Pañeda, Universidad de Oviedo - Luiz Fernando Gomes Soares, PUC-RIO - Jack Jansen, CWI - Hiroshi Kawamura, NRCD - David Melendi, Universidad de Oviedo - Thierry Michel, W3C - Sjoerd Mullender, CWI - Julien Quint, DAISY Consortium - Petri Vuorimaa, HUT - Daniel Weck, NRCD - Daniel F. Zucker, ACCESS Co., Ltd.

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This document specifies the third version of the Synchronized Multimedia Integration Language (SMIL, pronounced "smile"). SMIL 3.0 has the following design goals:

Status of this document

This section describes the status of this document at the time of its publication. Other documents may supersede this document. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at

This document is a First Public Working Draft of the W3C. This document has been produced by the SYMM Working Group as part of the W3C Synchronized Multimedia Activity. The goals of the SYMM Working Group are discussed in the SYMM Working Group Charter. The authors of this document are the SYMM Working Group members. Different parts of the document have different editors.

This SMIL 3.0 edition is a new version, it extends the functionalities contained in SMIL 2.1 [SMIL21], incorporating new features useful within the industry.

Comments on this document are welcome. Please send them to the public mailing - (public archives) including the prefix'[SMIL30 FWD]' in the subject line.

Publication as a Working Draft does not imply endorsement by the W3C Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.

This document was produced by a group operating under the 5 February 2004 W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent. An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy.

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