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Difference between revisions of "Use cases for timed tracks rendered over video by the UA"

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(Multiple voices)
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<img src="http://joeclark.org/access/crtc/CRTC-2008/reply/images/CCfoto-CBC-CC-ST-ManWithoutaFace.jpg" title="things gone wrong">
 
<img src="http://joeclark.org/access/crtc/CRTC-2008/reply/images/CCfoto-CBC-CC-ST-ManWithoutaFace.jpg" title="things gone wrong">
 
<img src="http://dashiva.net/misc/vertical_karaoke.jpg">
 
<img src="http://dashiva.net/misc/vertical_karaoke.jpg">
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 +
This example shows how multiple segments with overlapping times should be automatically placed so as to not overlap: http://www.youtube.com/watch?v=xG9KluukpJI#t=2m40
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This example shows that we need line-based positioning: http://www.youtube.com/watch?v=bw5JBWdaUHI#t=0m12s
  
 
=== Ruby ===
 
=== Ruby ===
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** word-level italics control
 
** word-level italics control
 
** frame-level timing
 
** frame-level timing
 
== Dynamic Examples ==
 
 
=== Automatic text placement ===
 
 
This example shows how multiple segments with overlapping times should be automatically placed so as to not overlap: http://www.youtube.com/watch?v=xG9KluukpJI#t=2m40
 

Revision as of 21:35, 23 April 2010

This page contains examples of features where timed tracks are rendered over video by user agents natively.

Return to timed tracks home page.

Static Examples

These are categorised by what features they demonstrate that is most interesting.

Positioning

This example shows how multiple segments with overlapping times should be automatically placed so as to not overlap: http://www.youtube.com/watch?v=xG9KluukpJI#t=2m40

This example shows that we need line-based positioning: http://www.youtube.com/watch?v=bw5JBWdaUHI#t=0m12s

Ruby

Italics or other inline emphasis

italics and blod used together

Karaoke

Multiple voices

Important line feeds

Plain text

Background emphasis

This is from a mobile phone and needs particular contrast and visibility.

Legal notices

Watermarks

Informative

Formal documentation for real-world captioning

  • CBC captioning manual requires:
    • minor control over position
    • word-level italics control
    • frame-level timing