W3C home > Mailing lists > Public > public-tt@w3.org > January 2013

RE: TTML and aspect ratio

From: Michael Dolan <mdolan@newtbt.com>
Date: Wed, 30 Jan 2013 08:20:19 -0800
To: <public-tt@w3.org>
Message-ID: <00fa01cdff05$b41ea900$1c5bfb00$@newtbt.com>
Well, yes, that would be the logical thing for W3C to do in reaction to
SMPTE's request :-)

But that would be a TTML 1.1 enhancement, which may be a bit further out.
Once SDP-US and TTML 1.0 2nd Edition publish, I expect the TTWG to return to
working on 1.1.

I suppose instead you can define your own attribute (TTML allows foreign
namespaces), but that would not be interoperable of course.


-----Original Message-----
From: David Ronca [mailto:dronca@netflix.com] 
Sent: Wednesday, January 30, 2013 7:58 AM
To: public-tt@w3.org
Subject: RE: TTML and aspect ratio

> Today, when dealing with 608 and 708 sourced content, one should rely 
> on the SMPTE work.  Except for 2052-11, which is not yet published, 
> the work is available for free at www.smpte.org.

We ingest captions from many different formats besides 608 & 708, and thus
need a general way to resolve this issue.  The most obvious being <tt
Received on Wednesday, 30 January 2013 16:20:51 UTC

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