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Accessibility/Video Text Format Comparison: Difference between revisions
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Accessibility/Video Text Format Comparison (view source)
Revision as of 09:33, 5 July 2010
, 5 July 2010chapter markers markups
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(chapter markers markups) |
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== Chapter markers == | == Chapter markers == | ||
Simple: | === Simple Chapter Markers === | ||
TTML: | |||
<pre> | |||
<tt xml:lang="en-US" xmlns="http://www.w3.org/ns/ttml"> | |||
<head> | |||
<metadata xmlns:ttm="http://www.w3.org/ns/ttml#metadata"> | |||
<ttm:role>x-chapters</ttm:role> | |||
</metadata> | |||
</head> | |||
<body> | |||
<div> | |||
<p begin="00:00:00.00" end="00:00:18.00">Introductory Titles</p> | |||
<p begin="00:00:18.01" end="00:01:10.00">The Jack Plugs</p> | |||
<p begin="00:01:10.01" end="00:02:30.00">Robotic Birds</p> | |||
</div> | |||
</body> | |||
</tt> | |||
</pre> | |||
WebSRT: | |||
<pre> | |||
; not sure how to specify that this is in en-US | |||
; not sure how to specify that these are chapters | |||
1 | |||
00:00:00.00 --> 00:00:18.00 | |||
Introductory Titles | |||
2 | |||
00:00:18.01 --> 00:01:10.00 | |||
The Jack Plugs | |||
3 | |||
00:01:10.01 --> 00:02:30.00 | |||
Robotic Birds | |||
</pre> | |||
WMML: | |||
<pre> | <pre> | ||
| Line 561: | Line 603: | ||
</pre> | </pre> | ||
Analysis: | |||
* All three fulfill the needs for chapter markers. | |||
=== Chapter Markers with Image === | |||
TTML: | |||
<pre> | |||
<tt xml:lang="en-US" xmlns="http://www.w3.org/ns/ttml"> | |||
<head> | |||
<metadata xmlns:ttm="http://www.w3.org/ns/ttml#metadata"> | |||
<ttm:role>x-chapters</ttm:role> | |||
</metadata> | |||
</head> | |||
<body> | |||
<div> | |||
<!-- Have to use xlink to provide URL hyperlink in TTML --> | |||
<p begin="00:00:00.00" end="00:00:18.00"> | |||
<span xlink:href="intro.png" | |||
xlink:actuate="onLoad" xlink:show="embed" | |||
xmlns:xlink="http://www.w3.org/1999/xlink"></span> | |||
Introductory Titles | |||
</p> | |||
<p begin="00:00:18.01" end="00:01:10.00"> | |||
<span xlink:href="plugs.png" | |||
xlink:actuate="onLoad" xlink:show="embed" | |||
xmlns:xlink="http://www.w3.org/1999/xlink"></span> | |||
The Jack Plugs | |||
</p> | |||
<p begin="00:01:10.01" end="00:02:30.00"> | |||
<span xlink:href="birds.png" | |||
xlink:actuate="onLoad" xlink:show="embed" | |||
xmlns:xlink="http://www.w3.org/1999/xlink"></span> | |||
Robotic Birds | |||
</p> | |||
</div> | |||
</body> | |||
</tt> | |||
</pre> | |||
WebSRT: | |||
<pre> | |||
; not sure how to specify that this is in en-US | |||
; not sure how to specify that these are chapters | |||
; not sure how to specify representative images for chapters | |||
1 | |||
00:00:00.00 --> 00:00:18.00 | |||
Introductory Titles | |||
2 | |||
00:00:18.01 --> 00:01:10.00 | |||
The Jack Plugs | |||
3 | |||
00:01:10.01 --> 00:02:30.00 | |||
Robotic Birds | |||
</pre> | |||
WMML: | |||
<pre> | <pre> | ||
| Line 574: | Line 680: | ||
</pre> | </pre> | ||
Analysis: | |||
* In TTML we have to use xlink to load the images. | |||
* In WebSRT we cannot specify representative images for a cue. (TBD?) | |||
== Texted audio descriptions == | |||
WMML: | |||
<pre> | <pre> | ||
| Line 587: | Line 701: | ||
</pre> | </pre> | ||
Timed slides for a presentations | == Timed Metadata == | ||
Timed slides for a presentations with slide transcripts. | |||
WMML: | |||
<pre> | <pre> | ||