- From: Gregg Vanderheiden <gv@trace.wisc.edu>
- Date: Mon, 20 Nov 2006 09:53:05 -0600
- To: "'Andrew Kirkpatrick'" <akirkpat@adobe.com>, "'Katie Haritos-Shea'" <ryladog@earthlink.net>, <w3c-wai-gl@w3.org>
- Cc: <chris.ridpath@utoronto.ca>
There are no 'non-associated' audio descriptions that I know of. They are synchronized with the video. We do have a total text version of AV as an option but the video descriptions are text, not audio, and are much more extensive. Gregg -- ------------------------------ Gregg C Vanderheiden Ph.D. > -----Original Message----- > From: w3c-wai-gl-request@w3.org > [mailto:w3c-wai-gl-request@w3.org] On Behalf Of Andrew Kirkpatrick > Sent: Sunday, November 19, 2006 10:27 PM > To: Katie Haritos-Shea; w3c-wai-gl@w3.org > Cc: chris.ridpath@utoronto.ca > Subject: RE: (techs) Test 145 > > > > Test 145 is in need of a passing example that incorporates a > > transcript or audio file: > > > > I suggest one that has both: > > > > 145-7.html Will pass the test. (Link to multimedia file > > (.mwv) with a text trancript and and audio file (mp3).) > > > > <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 > > Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"> > > <html lang="en"> > > <head> > > <title>OAC Testfile - Check #145 - Positive</title> </head> <body> > > <p>View <a href="movie.wmv"> the movie </a>. Read the <a > > href="movie.txt">Transcript of the Movie</a> or get the <a > > href="movie.mp3">Audio Description of the Movie</a>. > > </p> > > </body> > > </html> > > Does this count? There is a transcript, but I don't think > that WCAG should be advocating for non-asociated audio descriptions. > > The problem is that you can't really tell without viewing the > video or (in the case of SMIL) parsing a meta file. Comments > on the existing > techniques: > > 145-1.html Will fail the test. (Link to multimedia file > (.wav) without a text equivalent.) > > <p>View <a href="movie.wmv">the movie</a>.</p> > > In 145-1 the text says ".wav" but the movie is a .wmv. I > assume that the .wmv is correct. If so, I would say that > this requires verification since there could be open captions > or open audio descriptions (in wmv that the only kind of > audio descriptions there is). This is not an example of a > "fail", just a "can't pass". > > 145-3.html Will fail the test. (Link to multimedia file > (.mpg) without a text equivalent.) > > Ditto for this one - not "fail", just "can't pass". > > 145-4.html Will fail the test. (Link to multimedia file > (.mov) without a text equivalent.) > > .mov can carry text and audio description information in the > .mov file. > This example is also not an outright failure. > > 145-5.html Will fail the test. (Link to multimedia file > (.ram) without a text equivalent.) > > Ram files are often used - they are just simple metadata > files for realplayer that point to other files for the player > to load. They are useful when playing a smil file since it > ensures that the smil will be loaded by the realplayer, as > the open command is delivered via the .ram directly to the > real player. So, the .ram can point to a .smil which may > have captions/descriptions (or it could point to an open > captioned/described file). As a result, this is not a good > example of a failure. > > 145-6.html Will fail the test. (Link to multimedia file > (.aif) without a text equivalent.) > > Sure, this fails. > > I assume that the list of "multimedia" file extensions is not > final - "Multimedia file extensions are .wmv, .mpg, .mov, > .ram, and .aif.". I'd add asf, swf, avi, rm, dv, flv, divx, > 3gp, mp4, and others. I'd probably remove .ram since it is > just a metafile (if not then you should add wmx and asx since > they are equivalent for windows media). > > AWK > >
Received on Monday, 20 November 2006 15:53:24 UTC