Re: ISSUE-415 (TTML2): TTML2 is confusing [TTML WebVTT mapping note]

> On Sep 18, 2015, at 7:32 , Michael Dolan <mdolan@newtbt.com> wrote:
> 
> Then I guess we both misunderstood :-)
> 
> Sorry for my sloppy precision on acronyms. The net is that I think more
> clarity is needed around using "2" as a shorthand for the English word "to"
> as it is ambiguous.

agreed!

> 
> I thought for sure it was stated in our call that the mapping was intended
> to be a subset of IMSC1.  If it really is not, then it would be rather
> important to understand how they differ exactly. This would indicate that
> there is a mismatch between these two profiles and FCC 708 required decoder
> behavior that was probably not intended.

Ah.  I rather hope we work out first what the best mapping is, and then see whether that matches our hope that it uses features fully contained in an existing profile.

> 
> Regards,
> 
> 	Mike
> 
> -----Original Message-----
> From: Nigel Megitt [mailto:nigel.megitt@bbc.co.uk] 
> Sent: Friday, September 18, 2015 6:36 AM
> To: Timed Text Working Group <public-tt@w3.org>
> Subject: Re: ISSUE-415 (TTML2): TTML2 is confusing [TTML WebVTT mapping
> note]
> 
> Mike,
> 
> I misunderstood the issue in our meeting yesterday. I thought you found
> "T2VP" confusing because it looks like it means TTML2 rather than TTML as it
> exists now. In other words one cannot distinguish between TTML to VTT and
> TTML 2 to VTT.
> 
> I don't think it's appropriate to limit the mapping document to IMSC1.
> 
> Kind regards
> 
> Nigel
> 
> 
>> On 18 Sep 2015, at 10:39, Timed Text Working Group Issue Tracker
> <sysbot+tracker@w3.org> wrote:
>> 
>> ISSUE-415 (TTML2): TTML2 is confusing [TTML WebVTT mapping note]
>> 
>> http://www.w3.org/AudioVideo/TT/tracker/issues/415
>> 
>> Raised by: Mike Dolan
>> On product: TTML WebVTT mapping note
>> 
>> Use of "TTML2" is doublely confusing - I understand the constraints are
> against IMSC1, and thus neither TTML2 nor TTML(1). Suggest removing "TTML2"
> and replace appropriate occurrences with "IMSC1".
>> 
>> 
>> 
>> 
>> 
> 
> 
> -----------------------------
> 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.
> -----------------------------
> 
> 

David Singer
Manager, Software Standards, Apple Inc.

Received on Friday, 18 September 2015 16:27:23 UTC