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Editors
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Aaron Cohen
(aaron.m.cohen@intel.com), Intel
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Thierry Michel (tmichel@w3.org), W3C
This document specifies the second version of the Synchronized Multimedia
Integration Language (SMIL, pronounced "smile"). SMIL 2.0 has the following
two design goals:
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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.
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Allow reusing of SMIL 2.0 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].
SMIL 2.0 is defined as a set of markup modules, which define the semantics
and an XML syntax for certain areas of SMIL functionality.
SMIL 2.0 deprecates a small amount of SMIL 1.0 syntax in favor of more DOM
friendly syntax. Most notable is the change from hyphenated attribute names
to mixed case (camel case) attribute names, e.g., clipBegin is introduced
in favor of clip-begin. The SMIL 2.0 modules do not require support for these
SMIL 1.0 attributes so that integration applications are not burdened with
them. SMIL document players, those applications that support playback of
"application/smil" documents (or however we denote SMIL documents vs. integration
documents) must support the deprecated SMIL 1.0 attribute names as well as
the new SMIL 2.0 names.
This specification is structured as a set of sections, each defining one
or more modules:
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Section 2 is an overview of SMIL 2.0
modularization and the individual modules, and presents conformance criteria.
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Section 3 defines the declarative SMIL 2.0 Animation
Modules.
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Section 4 presents the SMIL 2.0 Content Control
Modules.
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Section 5 describes the SMIL 2.0 Layout Modules.
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Section 6 defines the SMIL 2.0 Linking
Modules.
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Section 7 presents the SMIL 2.0
Media Object Modules.
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Section 8 defines the SMIL 2.0 Metainformation
Module.
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Section 9 defines the SMIL 2.0 Structure Module.
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Section 10 defines the SMIL 2.0 Timing and
Synchronization Modules.
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Section 11 defines the SMIL 2.0 Time
Manipulations Module.
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Section 12 presents the SMIL 2.0 Transition
effects Modules.
This specification also defines two profiles that are built using the above
SMIL 2.0 modules:
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Section 13 defines the SMIL 2.0 Language
Profile.
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Section 14 describes the SMIL 2.0
Basic Language Profile.
The XHTML+SMIL Profile which appeared in previous working drafts is still
in progress and not yet ready for Last Call. It continues to be updated and
will be published as a separate Last Call specification when it is ready.
Refer to the available
public
working draft version of that profile.
This document has been prepared by the Synchronized Multimedia Working Group
(SYMM-WG) of the World Wide Web Consortium. The WG includes the following
individuals:
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Jin Yu, Compaq - Pietro Marchisio, CSELT - Lynda Hardman, CWI - Jacco van
Ossenbruggen, CWI - Lloyd Rutledge, CWI - Olivier Avaro, France Telecom -
Ted Wugofski, Gateway (Invited Expert) - Masayuki Hiyama, Glocomm - Keisuke
Kamimura, Glocomm - Michelle Y. Kim, IBM - Steve Wood, IBM - Nabil Layaïda,
INRIA - Muriel Jourdan, INRIA - Aaron Cohen, Intel - Wayne Carr, Intel -
Ken Day, Macromedia - Daniel Weber, Panasonic - Patrick Schmitz, Microsoft
- Debbie Newman, Microsoft - Pablo Fernicola, Microsoft - Kevin Gallo, Microsoft
- Don Cone, Netscape/AOL - Wo Chang, NIST - Didier Chanut, Nokia - Jack Jansen,
Oratrix - Sjoerd Mullender, Oratrix - Dick Bulterman, Oratrix - Kenichi Kubota,
Panasonic - Warner ten Kate, Philips - Ramon Clout, Philips - Jeff Ayars,
RealNetworks - Erik Hodge, RealNetworks - Rob Lanphier, RealNetworks - Bridie
Saccocio, RealNetworks - Eric Hyche, RealNetworks - Geoff Freed, WGBH - Philipp
Hoschka, W3C - Philippe Le Hégaret, W3C - Thierry Michel, W3C.