[videoblogging] Re: Compression for Animation?

Mon, 08 Aug 2005 19:59:10 -0700

3ivx is this an old setting in quicktime 6? Because I don't see it in
quicktime pro 7, or am I missing something? I see the setting for
h.264, but's that currently does not work with windows...correct?
thanks,
jad

--- In videoblogging@yahoogroups.com, Joshua Kinberg <[EMAIL PROTECTED]>
wrote:
> There was not a whole lot of animation here.
> I would use 3ivx compression as Adrian suggests.
> I use the settings from this tutorial:
> http://msgilligan.blogspot.com/2004/08/encoding-using-3ivx.html
>
> -Josh
>
>
> On 8/8/05, James A. Donnelly <[EMAIL PROTECTED]> wrote:
> > Thanks for the advice, I will try it out.
> > All of the footage is mine, some new, some old...
> > thanks,
> > jad
> > www.dummycast.com
> >
> >
> > --- In videoblogging@yahoogroups.com, Adrian Miles <[EMAIL PROTECTED]>
> > wrote:
> > > around the 8/8/05 James A. Donnelly mentioned about [videoblogging]
> > > Re: Compression for Animation? that:
> > > >Ugh.. I've been working on this all night. If you guys/gals could
> > > >check out the compression on my show it would be appreciated!
> > > >http://madlymedia.com/dummycast/DummySHOW1.mov direct link
> > > >mpg-4, quality high, keyframe 5,bit rate 600 k/sec.,320x240,It's
> > > >tougth a mix with animation and other elements.
> > > >www.dummycast.com
> > >
> > > ok,
> > >
> > > 1. use a dual pass codec (eg 3ivx if you don't want h.264)
> > > 2. do not set manual keyframes let it set keyframes naturally
> > > 3. funky transitions are funky, but require lot of bandwidth and
> > > these are always data spikes. this is why use variable bit rate
codec
> > > with 2 pass since the codec can work out where it needs the data (eg
> > > your talking head bits are much lower in requirements than animated
> > > transitions).
> > >
> > > 4. the only other thing is a lot of the footage which isn't yours is
> > > prob. already compressed. compressing compressed stuff  you're on a
> > > hiding to nothing. it already has artefacts in it (noise), the codec
> > > is optimised to hide noise, so when there is noise and it needs to
> > > deal with noise it will become noisier (this is very visible in the
> > > band footage where the 16 x 16 blocks are clear, this is probably
> > > result of compressing the compressed).
> > >
> > >
> > > --
> > > cheers
> > > Adrian Miles
> > >
> > > hypertext.RMIT
> > > <URL:http://hypertext.rmit.edu.au/vlog>
> >
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >

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