Re: Analogue artifact estimation

<[email protected]> schrieb im Newsbeitrag
news:[email protected]...
> Definitely a variable framerate would give us the option of doing this:
> * IVTC where possible to reduce datastream from 30 fps to 24 fps
> * Where that's not possible, (silly editing, or 30 fps CG sequence), leave
it at 30 fps
> * Compress the resulting sequence.
> Also by implementing variable frame rates you could, for cartoons, drop
frames where they're repeated, (I.E. nothing is moving), but >that creates a
strange visual effect, because even on 'identical' frames, you expect to see
some noise changing from frame to frame.  If you >just repeat a frame, it
looks really odd.
> In other words, you might have 10 frames of somebody talking, then 4 or 5
frames that are just the same thing exposed on to 4 or 5 >consecutive
frames, (happens a lot in Anime, usually just before/after a sweatdrop
appears :-) ).  In that case the noise will be different >on each frame, and
if you just repeat one of them, it just jumps out at you and screams,
'dropped frame!'.

Does Ogg container support variable framerate for trakin streams right now ?

Shouldnt be too much of a problem with timestamps and multiple headers i
guess ....
--
Christian

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