- From: Daniel Davis <ddavis@w3.org>
- Date: Thu, 07 May 2015 20:40:28 +0900
- To: Ingar Mæhlum Arntzen <ingar.arntzen@gmail.com>
- CC: "public-web-and-tv@w3.org" <public-web-and-tv@w3.org>, public-webtiming@w3.org
Hi Ingar, Thank you for bringing this to the attention of the Multi-device Timing CG. I agree, timing could be something to consider for some of the use cases so I'll point the HTML Media Task Force to your comments. I like the demos that have been posted to the CG's blog but haven't seen the high-level paper before so I'll have a look through that as well. Thanks again, Daniel On 07/05/15 19:05, Ingar Mæhlum Arntzen wrote: > Hi Daniel > > A brief look at the minutes indicates that this is highly relevant for > the Multi-device Timing Community > Group. https://www.w3.org/community/webtiming. > > We'll take some time to digest it, because there are many issues in the > discussion that fundamentally come down to timing. > > Up front I can indicate that the HTMLTimingObject which we have recently > drafted http://webtiming.github.io/timingobject/ is not only intended > for multi-device timing, but for single-device as well. > The timing group will also soon document a new, improved and generalized > version of the HTMLTrackElement that interfaces directly with the > proposed HTMLTimingObject. Together, these two concepts will address a > wide area of timing related issues, including millisecond precise > time-alignment of alternative tracks of timed data (from different > sources), as well as dynamic modification of time-aligned data (live or > later). With the HTMLTimingObject connected to Shared Motion, these > properties are also available in the distributed scenario. Though > standardization will likely take some time, we already have full > implementations of these concepts in regular use (for instance see demos > in the MTCG blog). > > If you wish to look further into the background of this, we have just > published a paper on distributed temporal composition of Web-based media > (which is just a fancy way of talking about time-alignment of > alternative data sources and media sources). This paper gives a high > level perspective into the approach adopted by the Multi-device Timing CG. > > https://sites.google.com/site/mediasynchronization/Paper4_Arntzen_webComposition_CR.pdf > > Best, > > Ingar Arntzen, Chair Multi-device Timing Community Group > > > > > > 2015-05-07 11:24 GMT+02:00 Daniel Davis <ddavis@w3.org > <mailto:ddavis@w3.org>>: > > Hello all, > > This is to let you know about a discussion within the HTML Working Group > Media Task Force that would benefit from wider input, especially from > people here in the Web and TV Interest Group. > > Initially intended as part of the MSE spec, it's currently a collection > of use cases for alternate content insertion in media [1]. However at > the recent Media Task Force face-to-face meeting [2] it was deemed that > the scope could be more than just MSE. There may even be some cross-over > with the current GGIE work [3] and so before a solution or target spec > is decided on there needs to be more feedback. > > If this topic is of interest to you please could you take a look at the > use cases listed so far and feel free to edit, add or comment based on > your experience and requirements? The face-to-face meeting minutes are a > good place to see the discussion so far: > http://www.w3.org/2015/04/15-html-media-minutes.html#item05 > > Thank you in advance, > Daniel Davis > W3C > > [1] > https://www.w3.org/wiki/HTML/Media_Task_Force/MSE_Ad_Insertion_Use_Cases > [2] https://www.w3.org/wiki/HTML/wg/2015-04-Agenda > [3] https://www.w3.org/2011/webtv/wiki/GGIE_TF > >
Received on Thursday, 7 May 2015 11:41:03 UTC