[html5] r6426 - [e] (0) Enumerate the many ways you can make video accessible now. Fixing http:/ [...]

[whatwg at whatwg.org]

Author: ianh
Date: 2011-08-11 15:24:25 -0700 (Thu, 11 Aug 2011)
New Revision: 6426

Modified:
   complete.html
   index
   source
Log:
[e] (0) Enumerate the many ways you can make video accessible now.
Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=13400

Modified: complete.html
===================================================================
--- complete.html	2011-08-11 22:02:14 UTC (rev 6425)
+++ complete.html	2011-08-11 22:24:25 UTC (rev 6426)
@@ -25758,10 +25758,21 @@
   <p class=note>In particular, this content is not intended to
   address accessibility concerns. To make video content accessible to
   the blind, deaf, and those with other physical or cognitive
-  disabilities, authors are expected to provide alternative media
-  streams and/or to embed accessibility aids (such as caption or
-  subtitle tracks, audio description tracks, or sign-language
-  overlays) into their media streams.</p>
+  disabilities, a variety of features are available. Captions can be
+  provided, either embedded in the video stream or as external files
+  using the <code><a href=#the-track-element>track</a></code> element. Sign-language tracks can be
+  provided, again either embedded in the video stream or by
+  synchronizing multiple <code><a href=#the-video-element>video</a></code> elements using the <code title=attr-media-mediagroup><a href=#attr-media-mediagroup>mediagroup</a></code> attribute or a
+  <code><a href=#mediacontroller>MediaController</a></code> object. Audio descriptions can be
+  provided, either as a separate track embedded in the video stream,
+  or a separate audio track in an <code><a href=#the-audio-element>audio</a></code> element <a href=#slaved-media-elements title="slaved media elements">slaved</a> to the same controller
+  as the <code><a href=#the-video-element>video</a></code> element(s), or in text form using a
+  <a href=#webvtt-file>WebVTT file</a> referenced using the <code><a href=#the-track-element>track</a></code>
+  element and synthesized into speech by the user agent. WebVTT can
+  also be used to provide chapter titles. For users who would rather
+  not use a media element at all, transcripts or other textual
+  alternatives can be provided by simply linking to them in the prose
+  near the <code><a href=#the-video-element>video</a></code> element.</p>
 
   <p>The <code><a href=#the-video-element>video</a></code> element is a <a href=#media-element>media element</a>
   whose <a href=#media-data>media data</a> is ostensibly video data, possibly
@@ -26103,9 +26114,14 @@
   <p class=note>In particular, this content is not intended to
   address accessibility concerns. To make audio content accessible to
   the deaf or to those with other physical or cognitive disabilities,
-  authors are expected to provide alternative media streams and/or to
-  embed accessibility aids (such as transcriptions) into their media
-  streams.</p>
+  a variety of features are available. If captions or a sign language
+  video are available, the <code><a href=#the-video-element>video</a></code> element can be used
+  instead of the <code><a href=#the-audio-element>audio</a></code> element to play the audio,
+  allowing users to enable the visual alternatives. Chapter titles can
+  be provided to aid navigation, using the <code><a href=#the-track-element>track</a></code> element
+  and a WebVTT file. And, naturally, transcripts or other textual
+  alternatives can be provided by simply linking to them in the prose
+  near the <code><a href=#the-audio-element>audio</a></code> element.</p>
 
   <p>The <code><a href=#the-audio-element>audio</a></code> element is a <a href=#media-element>media element</a>
   whose <a href=#media-data>media data</a> is ostensibly audio data.</p>

Modified: index
===================================================================
--- index	2011-08-11 22:02:14 UTC (rev 6425)
+++ index	2011-08-11 22:24:25 UTC (rev 6426)
@@ -25625,10 +25625,21 @@
   <p class=note>In particular, this content is not intended to
   address accessibility concerns. To make video content accessible to
   the blind, deaf, and those with other physical or cognitive
-  disabilities, authors are expected to provide alternative media
-  streams and/or to embed accessibility aids (such as caption or
-  subtitle tracks, audio description tracks, or sign-language
-  overlays) into their media streams.</p>
+  disabilities, a variety of features are available. Captions can be
+  provided, either embedded in the video stream or as external files
+  using the <code><a href=#the-track-element>track</a></code> element. Sign-language tracks can be
+  provided, again either embedded in the video stream or by
+  synchronizing multiple <code><a href=#the-video-element>video</a></code> elements using the <code title=attr-media-mediagroup><a href=#attr-media-mediagroup>mediagroup</a></code> attribute or a
+  <code><a href=#mediacontroller>MediaController</a></code> object. Audio descriptions can be
+  provided, either as a separate track embedded in the video stream,
+  or a separate audio track in an <code><a href=#the-audio-element>audio</a></code> element <a href=#slaved-media-elements title="slaved media elements">slaved</a> to the same controller
+  as the <code><a href=#the-video-element>video</a></code> element(s), or in text form using a
+  <a href=#webvtt-file>WebVTT file</a> referenced using the <code><a href=#the-track-element>track</a></code>
+  element and synthesized into speech by the user agent. WebVTT can
+  also be used to provide chapter titles. For users who would rather
+  not use a media element at all, transcripts or other textual
+  alternatives can be provided by simply linking to them in the prose
+  near the <code><a href=#the-video-element>video</a></code> element.</p>
 
   <p>The <code><a href=#the-video-element>video</a></code> element is a <a href=#media-element>media element</a>
   whose <a href=#media-data>media data</a> is ostensibly video data, possibly
@@ -25970,9 +25981,14 @@
   <p class=note>In particular, this content is not intended to
   address accessibility concerns. To make audio content accessible to
   the deaf or to those with other physical or cognitive disabilities,
-  authors are expected to provide alternative media streams and/or to
-  embed accessibility aids (such as transcriptions) into their media
-  streams.</p>
+  a variety of features are available. If captions or a sign language
+  video are available, the <code><a href=#the-video-element>video</a></code> element can be used
+  instead of the <code><a href=#the-audio-element>audio</a></code> element to play the audio,
+  allowing users to enable the visual alternatives. Chapter titles can
+  be provided to aid navigation, using the <code><a href=#the-track-element>track</a></code> element
+  and a WebVTT file. And, naturally, transcripts or other textual
+  alternatives can be provided by simply linking to them in the prose
+  near the <code><a href=#the-audio-element>audio</a></code> element.</p>
 
   <p>The <code><a href=#the-audio-element>audio</a></code> element is a <a href=#media-element>media element</a>
   whose <a href=#media-data>media data</a> is ostensibly audio data.</p>

Modified: source
===================================================================
--- source	2011-08-11 22:02:14 UTC (rev 6425)
+++ source	2011-08-11 22:24:25 UTC (rev 6426)
@@ -27680,10 +27680,23 @@
   <p class="note">In particular, this content is not intended to
   address accessibility concerns. To make video content accessible to
   the blind, deaf, and those with other physical or cognitive
-  disabilities, authors are expected to provide alternative media
-  streams and/or to embed accessibility aids (such as caption or
-  subtitle tracks, audio description tracks, or sign-language
-  overlays) into their media streams.</p>
+  disabilities, a variety of features are available. Captions can be
+  provided, either embedded in the video stream or as external files
+  using the <code>track</code> element. Sign-language tracks can be
+  provided, again either embedded in the video stream or by
+  synchronizing multiple <code>video</code> elements using the <code
+  title="attr-media-mediagroup">mediagroup</code> attribute or a
+  <code>MediaController</code> object. Audio descriptions can be
+  provided, either as a separate track embedded in the video stream,
+  or a separate audio track in an <code>audio</code> element <span
+  title="slaved media elements">slaved</span> to the same controller
+  as the <code>video</code> element(s), or in text form using a
+  <span>WebVTT file</span> referenced using the <code>track</code>
+  element and synthesized into speech by the user agent. WebVTT can
+  also be used to provide chapter titles. For users who would rather
+  not use a media element at all, transcripts or other textual
+  alternatives can be provided by simply linking to them in the prose
+  near the <code>video</code> element.</p>
 
   <p>The <code>video</code> element is a <span>media element</span>
   whose <span>media data</span> is ostensibly video data, possibly
@@ -28065,9 +28078,14 @@
   <p class="note">In particular, this content is not intended to
   address accessibility concerns. To make audio content accessible to
   the deaf or to those with other physical or cognitive disabilities,
-  authors are expected to provide alternative media streams and/or to
-  embed accessibility aids (such as transcriptions) into their media
-  streams.</p>
+  a variety of features are available. If captions or a sign language
+  video are available, the <code>video</code> element can be used
+  instead of the <code>audio</code> element to play the audio,
+  allowing users to enable the visual alternatives. Chapter titles can
+  be provided to aid navigation, using the <code>track</code> element
+  and a WebVTT file. And, naturally, transcripts or other textual
+  alternatives can be provided by simply linking to them in the prose
+  near the <code>audio</code> element.</p>
 
   <p>The <code>audio</code> element is a <span>media element</span>
   whose <span>media data</span> is ostensibly audio data.</p>