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Re: [DRAFT] Call for Wide Review of TTML2 WD for @@ Group

From: Thierry MICHEL <tmichel@w3.org>
Date: Fri, 7 Jul 2017 07:56:01 +0200
To: Nigel Megitt <nigel.megitt@bbc.co.uk>, W3C Public TTWG <public-tt@w3.org>
Message-ID: <87e3363f-16e8-422f-df81-66cd5871d7dd@w3.org>
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/
>
> 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?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/
> [4] Horizontal Review
> https://www.w3.org/Guide/Charter.html#horizontal-review
> [5] 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> 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/
>>>
>>> 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 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/
>>> [4] Horizontal Review
>>> https://www.w3.org/Guide/Charter.html#horizontal-review
>>> [5] 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.
>>>
>
>
>
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Received on Friday, 7 July 2017 05:56:18 UTC

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