- From: David Singer <singer@apple.com>
- Date: Tue, 27 Jan 2009 16:10:21 +0100
- To: Media Fragment <public-media-fragment@w3.org>
At 16:06 +0100 27/01/09, Raphaël Troncy wrote: >Dear Dave, > >>But this gets semantically tricky if there is >>sound; what is the correct representation of a >>point in time of a sound track? It's not right >>to drop it from the fragment (oof, we'd need >>media-type rules for what types get dropped and >>what don't). >> >>This is steering me towards wondering if a >>piece of X, in time, necessarily has some >>extension in time, i.e. a time-point is not a >>fragment (can you see a zero-width character if >>you meet one in the street?). > >Hum, does it mean we should put some >restrictions in defining media fragments and in >particular forbid to request spatio-temporal >points? That is, for the temporal dimension, >only non-empty interval can be requested, and >for the the spatial dimension, only non-empty >bounding box can be requested? Can you think of >other restrictions? >Best regards. that is indeed my wonder. "please give me the fragment of this image at this point" makes as little sense, indeed. -- David Singer Multimedia Standards, Apple Inc.
Received on Tuesday, 27 January 2009 15:12:56 UTC