- From: Thierry MICHEL <tmichel@w3.org>
- Date: Thu, 6 Feb 2003 00:05:10 +0100
- To: "'TimedText'" <public-tt@w3.org>
- Cc: "'Joe Clark'" <joeclark@joeclark.org>
> -----Message d'origine----- > De : Joe Clark [mailto:joeclark@joeclark.org] > Envoyé : mercredi 5 février 2003 18:13 > À : TimedText > Objet : [Moderator Action] Bugs and TT (was TT and subtitling) > > > > > Yes, I'm on this list too. Happy new year! > > >It is one of my company's current aims to add the ability for > >bitmaps to be propogated through the chain from authoring to > >display, for channel identification, logos etc. Whilst these usages > >may not fall into the TT charter, the ability of TT to carry bitmap > >data would IMHO considerably enhance its utility in the contexts in > >which it is likely to be used. > > There's a huge trend in Canada toward animated channel-identification > logos ("bugs" > <http://www.eddietalbot.pwp.blueyonder.co.uk/squashthebugs/>). I've > seen Flash animations less sophisticated than some of these, like > Showcase's. They're inserted by rack-mounted equipment not very > different from Line 21 encoders. (It's been the better part of a year > since I toured Showcase's plant.) > > In any event, they're certainly *text* or at least *writing*, and > they are timed in two respects: > > * They appear and disappear at certain times (whether static or > animated). In particular, they disappear during commercial breaks. > > * Animation where applicable. > > Position also comes into play. Generally speaking, broadcasters here > are too brain-dead to displace bugs to get out of the way of > subtitles (sic-- foreign-language subtitles). But on occasion, I've > seen bugs move over the course of an evening's viewing from bottom > right to top left, for example, where the unit of time expressed is > the *program* (first ten shows bottom right, overnight subtitled > movie top left). > > Broadening the discussion, what are generically known here as > disclaimers (as in reference to program content, but also, oddly > enough, in announcing that a program has audio description) are > essentially very large bugs that appear and disappear. They're also > text. > > > Unicode does not cover every conceivable character > > I would debate whether bugs and disclaimers are even "characters"; > human beings have always created individual drawings where the > existing writing system is not sufficient. > > >Some of these may not be efficiently carried by SVG. > > And let's not get too hung up on accommodating W3C technologies and > nothing but. Let us not recapitulate the errors of the Web Content > Accessibility Guidelines 1.0. > > > Personally I feel that in most cases the cause is lost for > >existing **emission systems** (e.g. TV, DAB, DVD) adopting TT. > > Not at the authoring level and at a level midway between authoring > and emission. > > Case in point: I know one broadcaster that has the idea (not a very > solid one, in my view) of converting all subtitling and even closed > captioning to Microsoft Word files (!) that are simply pushed through > at airtime, rather comparable to live-display captioning. > > At the authoring level, we're dealing with timed text all the time. > What else do captioners and subtitlers deal with? > > > Certainly if TT were to be adopted for subtitling for our > >purposes it would need a parallel or extension mechanism to carry > >timed graphic data. > > Or simply *refer* to it and call it up (and dismiss it, etc.) at > predetermined times. > > >Current multimedia standards (eg SMIL) are generally not appropriate > >for subtitling. > > That's a tad broad. > -- > > Joe Clark | joeclark@joeclark.org > Author, _Building Accessible Websites_ > <http://joeclark.org/book/> | <http://joeclark.org/bookblog/> > <http://joeclark.org/access/> >
Received on Wednesday, 5 February 2003 18:05:28 UTC