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W3C draft "Synchronized Multimedia Integration Language"

From: Philipp Hoschka <hoschka@w3.org>
Date: Fri, 07 Nov 1997 12:07:33 +0100
Message-Id: <199711071107.MAA28019@www45.inria.fr>
To: www-multimedia@w3.org

The first draft of a language for describing synchronized multimedia
presentations is available at


This draft was produced by the W3C working group on Synchronized Multimedia.
Comments/Feedback from people on this list are *very* welcome. They should be sent 
to www-multimedia@w3.org. 

From the introduction:

"SMIL allows integrating a set of independent multimedia objects into a synchronized 
multimedia presentation. Using SMIL, presentations such as a slide show synchronized 
with audio comments or a video synchronized with a text stream can be described. 

A typical SMIL presentation has the following characteristics: 

      - The presentation is composed of several components that are accessible via a URL, 
        e.g. files stored on an http or rtsp server. 
      - The components have different media types, such as audio, video, image or text. 
      - The begin and end times of different components have to be synchronized with 
        events  in other components. For example, in a slide show, a particular slide 
        is displayed when the narrator in the audio starts talking about it. 
      - The user can control the presentation by using control buttons known from 
        video-recorders, such as stop, fast-forward and rewind. Additional functions are 
      "random access", i.e. the presentation can be started anywhere, and "slow motion", 
       i.e. the presentation is played slower than at its original speed. 
      - The user can follow hyper-links embedded in the presentation 

SMIL has been designed so that it is easy to author simple presentations with a text 
editor. The key to success for HTML was that attractive hypertext content could be 
created without requiring a sophisticated authoring tool. SMIL achieves the same for 
synchronized hypermedia." 
Received on Friday, 7 November 1997 06:07:51 UTC

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