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[IMSC] Fwd: Re: IMSC1 WD wide review and CR draft. ( LC-2975 LC-2976 LC-2973 LC-2977 LC-2978 LC-2974 LC-2980 LC-2981 LC-2982)

From: Andreas Tai <tai@irt.de>
Date: Tue, 18 Nov 2014 20:07:27 +0100
Message-ID: <546B98EF.1020908@irt.de>
To: public-tt <public-tt@w3.org>
Dear Thierry ,

I have reviewed the solution  for LC-2979 and agree with it. Thanks for
addressing my comment.

Best regards,

Andreas

Am 14.11.2014 um 18:35 schrieb Thierry MICHEL:
> Dear Andreas,
>
>
> Khank for your approval to the TTWG proposal for  ( LC-2975 LC-2976
> LC-2973  LC-2977 LC-2978 LC-2974 LC-2980 LC-2981 LC-2982)
>
>
> There is one more comment for which you havn't responded
> - Comment LC-2979
>
> https://www.w3.org/2006/02/lc-comments-tracker/34314/WD-ttml-imsc1-20140930/2979?cid=2979
>
>
> Please review it carefully and let us know by email at
>  public-tt@w3.org?subject=%5Bimsc%5D if you agree with it or not
> before 20 November 2014.
>
> Best regards,
>
> Thierry Michel
>
>
>
>
> On 14/11/2014 17:38, Andreas Tai wrote:
>> Dear Thierry,
>>
>> I have reviewed the solutions and agree with all of them. Thanks for
>> addressing my comments.
>>
>> Best regards,
>>
>> Andreas
>>
>> Am 13.11.2014 um 18:54 schrieb tmichel@w3.org:
>>>   Dear Andreas Tai ,
>>>
>>> The Timed Text Working Group has reviewed the comments you sent [1] on
>>> the
>>> Last Call Working Draft [2] of the IMSC 1.0 published on 30 Sep 2014.
>>> Thank
>>> you for having taken the time to review the document and to send us
>>> comments!
>>>
>>> The Working Group's response to your comment is included below, and has
>>> been implemented in the new version of the document available at:
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html.
>>>
>>>
>>>
>>> Please review it carefully and let us know by email at
>>> public-tt@w3.org?subject=%5Bimsc%5D if you agree with it or not
>>> before 20
>>> November 2014. In case of disagreement, you are requested to provide a
>>> specific solution for or a path to a consensus with the Working
>>> Group. If
>>> such a consensus cannot be achieved, you will be given the
>>> opportunity to
>>> raise a formal objection which will then be reviewed by the Director
>>> during
>>> the transition of this document to the next stage in the W3C
>>> Recommendation
>>> Track.
>>>
>>> Thanks,
>>>
>>> For the Timed Text Working Group,
>>> Thierry Michel
>>> Philippe Le H├ęgaret
>>> W3C Staff Contacts
>>>
>>>   1. http://www.w3.org/mid/544E278A.9030901@irt.de
>>>   2. http://www.w3.org/TR/2014/WD-ttml-imsc1-20140930/
>>>
>>>
>>> =====
>>>
>>> Your comment on 3. Conformance:
>>>> ------------------------------
>>>> 3. Conformance
>>>> ------------------------------
>>>> The term "subtitle document" is not defined in IMSC 1 and TTML 1 but
>>>> used frequently in a normative context. It may be helpful to define it
>>>> in Section 2.
>>>
>>> Working Group Resolution (LC-2975):
>>> We have replaced the term "subtitle document" with "Document Instance",
>>> which is a defined term, at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> ----
>>>
>>> Your comment on 4.1 General:
>>>> ------------------------------
>>>> 4.1 General
>>>> ------------------------------
>>>>   From IMSC 1:
>>>> "In addition, the Text Profile subtitle document SHOULD be associated
>>>> with the Image Profile subtitle document such that, when image content
>>>> is encountered, assistive technologies have access to its
>>>> corresponding
>>>>
>>>> text form."
>>>>
>>>> As far as I could see there is no defined method to link a Text
>>>> profile
>>>>
>>>> document to an Image Profile document through an element in the
>>>> document
>>>>
>>>> themselves. So it may helpful to add that his has to be done
>>>> through an
>>>>
>>>> external setting.
>>>
>>> Working Group Resolution (LC-2976):
>>> We have added the sentence "The method by which this association is
>>> made is
>>> left to each application" to the revised Section 5.1 at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> ----
>>>
>>> Your comment on 5.2 Foreign Element and Attributes A subtitle document
>>> MAY...:
>>>> It would be good to give more emphasis that a presentation processor
>>>> should not reject a document "with foreign namespace elements or
>>>> attributes".
>>>>
>>>> Examples for possible edits:
>>>> a) "...*The subtitle document SHALL be processed but* such elements
>>>> and
>>>>
>>>> attributes may be ignored by the presentation processor or
>>>> transformation processor."
>>>>
>>>> b) "A *conforming* subtitle document may contain elements and
>>>> attributes
>>>>
>>>> that are neither specifically permitted nor forbidden by a profile."
>>>>
>>>> It may be a good idea to align this paragraph with the section in TTML
>>>> 5.3.2. As far as I can see it is not explicitly forbidden to use the
>>>> IMSC namespaces for extensions. So either in IMSC 1 5.3 or somewhere
>>>> else an additional constraint may be added.
>>>
>>> Working Group Resolution (LC-2973):
>>> We have permitted ("may") elements and attributes that are not
>>> explicitly
>>> permitted or prohibited by a profile, and aligned with TTML1 the
>>> wording
>>> regarding namespace mutability. See revised Section 6.2 and last
>>> paragraph
>>> of Section 6.3 at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> ----
>>>
>>> Your comment on 5.7.3 itts:forcedDisplay itts:forcedDisplay allows the
>>> proc...:
>>>> ------------------------------
>>>> 5.7.3 itts:forcedDisplay - value matrix
>>>> ------------------------------
>>>> In general I would welcome a bit more text about the details of value
>>>> combinations. There is text for "displayForcedMode=true,
>>>> itts:forcedDisplay=false" but not for "displayForcedMode=true,
>>>> itts:forcedDisplay=true". Maybe a matrix would be helpful with
>>>> tts:visibilily (visible, hidden), displayForcedDisplay parameter
>>>> (true,
>>>>
>>>> fase) annd itts:forcedDisplay (true, false).
>>>>
>>>> ------------------------------
>>>> 5.7.3 itts:forcedDisplay - Informative Note
>>>> ------------------------------
>>>> The first note could possibly be improved if it is noted that this has
>>>> an effect only if a "non-transparent background" is directly
>>>> defined for
>>>>
>>>> the region (e.g. in most cases I have seen for the usage of
>>>> EBU-TT-D the
>>>>
>>>> background will be applied through the content elements).
>>>
>>> Working Group Resolution (LC-2977):
>>> See revised second paragraph of Section 6.7.3 and Note 1 at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> While NOTE 1 might apply only when non-transparent background is used
>>> on a
>>> region, the intent of the note is broader: warning authors that making
>>> all
>>> elements within a region hidden does not necessarily hide the region.
>>>
>>> ----
>>>
>>> Your comment on 5.7.4 ittm:altText ittm:altText allows an author to
>>> provide...:
>>>> ------------------------------
>>>> 5.7.4 ittm:altText - Optionality of attributes
>>>> ------------------------------
>>>> For the XML Representation you may repeat the part from 2.3 TTML 1
>>>> where
>>>>
>>>> it states that bold-face attribute names are required and the
>>>> others are
>>>>
>>>> optional (personally I would prefer the keyword "REQUIRED" after the
>>>> attribute name). Without that it may not be clear if the attributes
>>>> are
>>>>
>>>> optional or required.
>>>>
>>>>
>>>> ------------------------------
>>>> 5.7.4 ittm:altText - Typo
>>>> ------------------------------
>>>> End of "Note:": Replace ". ." with "."
>>>
>>> Working Group Resolution (LC-2978):
>>> The specification now explicitly references the documentation
>>> conventions
>>> of TTML 1.
>>>
>>> See "Documentation Conventions" section and revised Section 5.7.4 at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> ----
>>>
>>> Your comment on 5.10 Features Unless specified otherwise,a subtitle
>>> documen...:
>>>> -----------------------------------
>>>> 5.10 Features (Common features) #length-cell feature
>>>> -----------------------------------
>>>> IMSC 1 states that the #length-cell feature shall not be used. The
>>>> line-padding extension uses the cell metric. Not sure if this causes a
>>>> problem. On the one hand the extensions are "outside" of TTML 1 on the
>>>> other hand they use the cell metric as defined by TTML 1.
>>>>
>>>> -----------------------------------
>>>> 5.10 Features (Common features) -#length feature
>>>> -----------------------------------
>>>> The #length feature includes the support of the "c" metric
>>>> (http://www.w3.org/TR/ttml1/#feature-length). So you may add a
>>>> restriction here.
>>>
>>> Working Group Resolution (LC-2974):
>>> Exception made to #length-cell for ebutts:linePadding. See revised
>>> #length-cell constraint at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> ----
>>>
>>> Your comment on 6.3 Features:
>>>> ------------------------------
>>>> 6.3 Features (Text Profile)
>>>> ------------------------------
>>>> #textAlgin: A reference to the definition of the "defaultRegion" in
>>>> TTML
>>>>
>>>> 1 would be helpful. I assume that ony the TTML experts know what the
>>>> defaultRegion is (e.g. some implementers gave in a TTML document
>>>> "defaultRegion" as value for xml:id).
>>>
>>> Working Group Resolution (LC-2980):
>>> Default Region is now a defined term at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> ----
>>>
>>> Your comment on 8.2 Reference Fonts:
>>>> -----------------------------
>>>> 8.2 Reference Fonts
>>>> -----------------------------
>>>> A reference to presentation processors and transformation
>>>> processors may
>>>>
>>>> be helpful. A presentation processor SHALL lay out the text
>>>> according to
>>>>
>>>> the metrics and a transformation processor should use this metrics for
>>>> any calculation.
>>>
>>> Working Group Resolution (LC-2981):
>>> See clarified text at Section 7.3 at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> ----
>>>
>>> Your comment on B. Forced content (non-normative) Fig. 3
>>> Illustration of
>>> th...:
>>>> ------------------------
>>>> Annex B Forced Content
>>>> ------------------------
>>>> A code example may be an illustrative help for the shown use case.
>>>
>>> Working Group Resolution (LC-2982):
>>> We have added Example 4 at
>>> https://dvcs.w3.org/hg/ttml/raw-file/tip/ttml-ww-profiles/ttml-ww-profiles.html
>>>
>>>
>>>
>>> ----
>>>
>>>
>>
>>
>


-- 
------------------------------------------------
Andreas Tai
Production Systems Television IRT - Institut fuer Rundfunktechnik GmbH
R&D Institute of ARD, ZDF, DRadio, ORF and SRG/SSR
Floriansmuehlstrasse 60, D-80939 Munich, Germany

Phone: +49 89 32399-389 | Fax: +49 89 32399-200
http: www.irt.de | Email: tai@irt.de
------------------------------------------------

registration court&  managing director:
Munich Commercial, RegNo. B 5191
Dr. Klaus Illgner-Fehns
------------------------------------------------


-- 
------------------------------------------------
Andreas Tai
Production Systems Television IRT - Institut fuer Rundfunktechnik GmbH
R&D Institute of ARD, ZDF, DRadio, ORF and SRG/SSR
Floriansmuehlstrasse 60, D-80939 Munich, Germany

Phone: +49 89 32399-389 | Fax: +49 89 32399-200
http: www.irt.de | Email: tai@irt.de
------------------------------------------------

registration court&  managing director:
Munich Commercial, RegNo. B 5191
Dr. Klaus Illgner-Fehns
------------------------------------------------
Received on Wednesday, 19 November 2014 08:34:19 UTC

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