Inside Macintosh: QuickTime Reference
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This section discusses the extensions to SMIL (Synchronized Multimedia Integration Language) 1 that are implemented as part of the SMIL support provided in QuickTime 4.1. SMIL being an XML markup language 2, it describes the XML Namespace 3 under which the extensions are grouped; it also describes the extensions themselves -- grouped according to the SMIL elements they may be used in conjunction with -- their syntax, and example usage.
The QuickTime SMIL Extensions allow an author to optionally specify richer behaviors which are supported by QuickTime but do not have an SMIL equivalent; they also give the author tighter control over the behavior of the playback of SMIL presentations across bandwidth-constrained network connections.
Inside Macintosh: QuickTime Reference
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