W3C home > Mailing lists > Public > public-tt@w3.org > December 2008

Re: Roll up in DFXP

From: John Birch <john.birch@screen.subtitling.com>
Date: Fri, 12 Dec 2008 15:49:28 -0000
Message-ID: <4476B296B92A4741A49B0BD01759070099FCAA@sss-uk-ex-02.screen.subtitling.local>
To: <akirkpat@adobe.com>, <public-tt@w3.org>
Counter proposal :-)

Allow markup on a region to define it as a roll-up region (or a crawl). Define semanics that describe how content that is released into these regions should act over time and during conditions of 'region full'.

It's not the content that has a roll character - it's the region...

Agree about empty p elements...

J
Sent by Blackberry

John Birch | Screen Subtitling Systems Ltd | Strategic Partnerships Manager
Main Line : +44 (0)1473 831700 | Ext : 270 | Office :  
Mobile: +44 (0)7919 558380 | Fax: +44 (0)1473 830078
john.birch@screen.subtitling.com | www.screen.subtitling.com
The Old Rectory, Claydon Curch Lane, Claydon,Ipswich,IP6 0EQ,United Kingdom


See us at Broadcast Video Expo – February 17th – 19th 2009, Earls Court 2, London, Stand number K56


Before Printing, think about the environment

----- Original Message -----
From: public-tt-request@w3.org <public-tt-request@w3.org>
To: Public TTWG List <public-tt@w3.org>
Sent: Fri Dec 12 15:39:38 2008
Subject: Roll up in DFXP

From an interested party.

 

Rollup Captions 

To properly represent 608/708 closed captions, it is important that DFXP TimedText provide some basic support for roll-up style captions. [company] has yet to formalize plans in this area, but is proposing the following basic structure:

	*	Allow for a <body>, <div>, or individual <p> element to be tagged as rollup, with an attribute indicating the number of lines of rollup text (typically 2 or 3 lines).
	*	Leverage the proposed upperThird/middleThird/lowerThird region tag to allow for the rollup caption area to be positioned appropriately on the screen. Software that converts 608/708 captions to TimedText can inspect the line positioning and infer the appropriate screen region.
	*	Interpret empty <p> tags as a command to clear the roll-up display. Software that converts 608/708 captions to TimedText would generate an empty <p> tag whenver encountering {EDM} erase commands.

 

 

Thanks,

AWK

 

Andrew Kirkpatrick

 

Senior Product Manager, Accessibility

 

Adobe Systems 

 

akirkpat@adobe.com <mailto:akirkpatrick@adobe.com> 

 



This message may contain confidential and/or privileged information. If you are not the intended recipient you must not use, copy, disclose or take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation. Screen Subtitling Systems Ltd. Registered in England No. 2596832. Registered Office: The Old Rectory, Claydon Church Lane, Claydon, Ipswich, Suffolk, IP6 0EQ
Received on Friday, 12 December 2008 15:50:17 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 2 November 2009 22:41:39 GMT