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

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=== Example of multiple text tracks active at same time and displayed ===
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This one has subtitles, chapters, and through events linked slides.
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=== Informative ===
 
=== Informative ===

Revision as of 23:55, 24 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.

Multiple colors

Colors are often used in closing comments to signify the author of the captions.

Legal notices

Watermarks

Hyperlinks on caption cues or individual words

Still need some examples from the real world. Here's one from a science fiction movie:

Example of multiple text tracks active at same time and displayed

This one has subtitles, chapters, and through events linked slides.

Informative

Formal documentation for real-world captioning

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