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

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=== Formal documentation for real-world captioning ===
 
=== Formal documentation for real-world captioning ===

Revision as of 23:17, 22 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

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.

Formal documentation for real-world captioning

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