- From: Thierry MICHEL <tmichel@w3.org>
- Date: Tue, 11 Jul 2017 14:13:38 +0200
- To: Glenn Adams <glenn@skynav.com>
- Cc: Nigel Megitt <nigel.megitt@bbc.co.uk>, W3C Public TTWG <public-tt@w3.org>
Glenn, Do you think you can send your summarized version today ? Would be good to start the review invitations ASAP. Thierry Le 07/07/2017 à 08:28, Glenn Adams a écrit : > I think it is too long and needs to be more succinctly summarized. I'll > take a stab at this later today (Friday). > > On Thu, Jul 6, 2017 at 11:56 PM, Thierry MICHEL <tmichel@w3.org > <mailto:tmichel@w3.org>> wrote: > > Glenn, > > Let me know if you agree to the following with Nigel's input. If so > I will send it. > > Thierry > > > Le 06/07/2017 à 18:10, Nigel Megitt a écrit : > > Applying the summary of changes emailed previously, with some > minor edits > to reflect recent changes, gives the following, for review please: > > [[ > Dear @@@ Group, > > The W3C Timed Text Working Group has recently published a new > working > draft of the Timed Text Markup Language 2 (TTML2). > > https://www.w3.org/TR/2017/WD-ttml2-20170630/ > <https://www.w3.org/TR/2017/WD-ttml2-20170630/> > > TTML2, provides a standardized representation of a particular > subset of > textual information with which stylistic, layout, and timing > semantics > are associated by an author or an authoring system for the > purpose of > interchange and processing. > In addition to being used for interchange among legacy distribution > content formats, TTML Content may be used directly as a distribution > format, providing, for example, a standard content format to > reference > from a <track> element in an HTML5 document, or a <text> or > <textstream> > media element in a [SMIL 3.0] document. > > The TTML2 specification updates the TTML1 specification by adding > vocabulary and semantics to address more of its core requirements. > > In summary it supports continuous animation of styling and > positioning, > dereferencing and use of embedded or externally located > resources such > as images, fonts, and audio, a more easily extensible metadata > mechanism, the ability to specify alternate initial values for > styling, > a more useful profile mechanism, a conditional processing > mechanism and > a serialisation format for resolved temporal subsections > (intermediate > synchronic documents). The styling vocabulary has been increased to > support advanced text layout requirements such as Ruby, text > emphasis, > images, backgrounds and shadows. An audio processing model has been > Introduced with basic audio mixing and text to speech support > including > gain, pan, pitch and speak (rate) based on Web Audio and SSML. > > At a functional level this means that TTML2 supports text layout > requirements for (almost) every script globally, is more fit for > purpose in terms of profiling and use by other downstream systems, > supports audio (video) description workflows and allows for more > predictable rendering by means of referencing specific fonts to use. > Conditional processing, such as semantic or transformation > processing, > based on parameters, media queries, language selection etc are > now also > possible. > > Several semantics defined non-normatively in TTML1 have been > promoted > to being normative. All TTML1 documents are valid TTML2 documents; > however, TTML2 documents that specify Version 2, may not be > valid TTML1 > documents. Where there is feature overlap between deprecated and new > features, such as tts:origin and tts:position, precedence rules are > defined. Where appropriate, references have been updated, including > normative references. > > > The TTWG invites you to review this draft, and requests comments > to be > received by 30 Sept 2017. These comments will be used to fulfil the > W3C Process [3] requirement for Wide Review of drafts, and > Horizontal > Review [4] prior to publication as Candidate Recommendation. > > If you wish to make comments regarding this document, please > send them > to public-tt@w3.org <mailto:public-tt@w3.org> > <mailto:public-tt@w3.org > <mailto:public-tt@w3.org>?subject=%5Bttml%5B> with > [ttml2] at the start of your email's subject. All comments are > welcome, > however the scope of review will be mainly focused on the new > features > introduced in TTML2. > > A cumulative summary of all changes applied to this version > since the > current (TTML1, 2nd Edition) Recommendation was published is > available > for your convenience [5]. > > > [1] TTML2 latest version https://www.w3.org/TR/ttml2/ > [2] TTML1 Recommendation https://www.w3.org/TR/ttml1/ > [3] W3C Process https://www.w3.org/2017/Process-20170301/ > <https://www.w3.org/2017/Process-20170301/> > [4] Horizontal Review > https://www.w3.org/Guide/Charter.html#horizontal-review > <https://www.w3.org/Guide/Charter.html#horizontal-review> > [5] > https://www.w3.org/TR/2017/WD-ttml2-20170630/ttml2-changes.html > <https://www.w3.org/TR/2017/WD-ttml2-20170630/ttml2-changes.html> > > Kind regards, > > On behalf of Nigel Megitt, co-Chair, W3C Timed Text Working Group > Thierry Michel, Staff Contact for TTWG. > ]] > > > > > On 06/07/2017, 15:01, "Thierry MICHEL" <tmichel@w3.org > <mailto:tmichel@w3.org>> wrote: > > resending with proper title TTML2 > > Le 06/07/2017 à 11:54, Thierry MICHEL a écrit : > > > Dear @@@ Group, > > The W3C Timed Text Working Group has recently published > a new working > draft of the Timed Text Markup Language 2 (TTML2). > > https://www.w3.org/TR/2017/WD-ttml2-20170630/ > <https://www.w3.org/TR/2017/WD-ttml2-20170630/> > > TTML2, provides a standardized representation of a > particular subset of > textual information with which stylistic, layout, and > timing semantics > are associated by an author or an authoring system for > the purpose of > interchange and processing. > In addition to being used for interchange among legacy > distribution > content formats, TTML Content may be used directly as a > distribution > format, providing, for example, a standard content > format to reference > from a <track> element in an HTML5 document, or a <text> > or <textstream> > media element in a [SMIL 3.0] document. > > The TTWG invites you to review this draft, and requests > comments to be > received by 30 Sept 2017. These comments will be used to > fulfil the > W3C Process [3] requirement for Wide Review of drafts, > and Horizontal > Review [4] prior to publication as Candidate > Recommendation. > > If you wish to make comments regarding this document, > please send them > to public-tt@w3.org <mailto:public-tt@w3.org> > <mailto:public-tt@w3.org <mailto:public-tt@w3.org> with > [ttml2] at the start > of your email's subject. All comments are welcome, > however the scope of > review will be mainly focused on the new features > introduced in TTML2. > > A cumulative summary of all changes applied to this > version since the > current (TTML1, 2nd Edition) Recommendation was > published is available > for your convinience [5]. > > > [1] TTML2 latest version https://www.w3.org/TR/ttml2/ > [2] TTML1 Recommendation https://www.w3.org/TR/ttml1/ > [3] W3C Process > https://www.w3.org/2017/Process-20170301/ > <https://www.w3.org/2017/Process-20170301/> > [4] Horizontal Review > https://www.w3.org/Guide/Charter.html#horizontal-review > <https://www.w3.org/Guide/Charter.html#horizontal-review> > [5] > https://www.w3.org/TR/2017/WD-ttml2-20170630/ttml2-changes.html > <https://www.w3.org/TR/2017/WD-ttml2-20170630/ttml2-changes.html> > > Kind regards, > > On behalf of Nigel Megitt, co-Chair, W3C Timed Text > Working Group > Thierry Michel, Staff Contact for TTWG. > > > > > ----------------------------- > http://www.bbc.co.uk > This e-mail (and any attachments) is confidential and > may contain personal views which are not the views of the BBC > unless specifically stated. > If you have received it in > error, please delete it from your system. > Do not use, copy or disclose the > information in any way nor act in reliance on it and notify the > sender > immediately. > Please note that the BBC monitors e-mails > sent or received. > Further communication will signify your consent to > this. > ----------------------------- > > >
Received on Tuesday, 11 July 2017 12:13:59 UTC