- From: Thierry MICHEL <tmichel@w3.org>
- Date: Fri, 7 Feb 2003 10:49:54 +0100
- To: "'TimedText'" <public-tt@w3.org>
- Cc: "'Joe Clark'" <joeclark@joeclark.org>
Posted on 'public-tt@w3.org'
> -----Message d'origine-----
> De : public-tt-request@w3.org
> [mailto:public-tt-request@w3.org] De la part de Thierry MICHEL
> Envoyé : jeudi 6 février 2003 00:05
> À : 'TimedText'
> Cc : 'Joe Clark'
> Objet : RE : [Moderator Action] Bugs and TT (was TT and subtitling)
>
>
>
>
>
> > -----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 Friday, 7 February 2003 04:50:18 UTC