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Synchronized Multimedia Integration Language (SMIL 3.0)

W3C Working Draft 13 July 2007

This version:
Latest SMIL 3 version:
Latest SMIL Recommendation:
Previous version:
Dick Bulterman, CWI - Jack Jansen, CWI - Sjoerd Mullender, CWI - Marisa DeMeglio, DAISY Consortium - Julien Quint, DAISY Consortium - Petri Vuorimaa, HUT - Samuel Cruz-Lara, INRIA - Hiroshi Kawamura, NRCD - Daniel Weck, NRCD - Eric Hyche, RealNetworks - Xabiel García Pañeda, Universidad de Oviedo - David Melendi, Universidad de Oviedo - Thierry Michel, W3C - Daniel F. Zucker, ZookWare LLC.

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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 is a Last Call Working Draft of a possible future W3C Recommendation of the SMIL 3.0 specification. 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.

The Last Call review period for this document extends until 14 September 2007. The public is invited to send comments or report errors on this document. Please send them to the public mailing - (public archives) including the prefix'[SMIL30 LC comment]' 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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