 | | | Re: Wow - Quicktime 7 H.264 compression | Re: Wow - Quicktime 7 H.264 compression 2005-11-16 - By Andrew
Back
29 kb! Wow! Can you please post the samples of each of these for the
rest of us to view.
AWBenson
--- In Carrara@(protected), "staigermanus" <philip@(protected)> wrote:
>
> After updating from Quicktime 6 to Quicktime 7 I lost the Pro part
> which was in my QT6, so I just upgraded to the pro for QT7.
>
> Then I went to play with the new H.264 codec which is touted as a
> great new feature of 7..... and I have you admit, wow, what a
compression.
>
> I started with an image sequence of about 30 frames of 232x232 pixels
> from BT's Santa animation (modeled in Amapi 5, rendered in Poser 4,
> remember the old days?). The clip, uncompressed, is about 4.7 MB.
>
> After compressing to H.261 with medium quality it's 99 kb
>
> After compressing to H.263 with same it's about 49 kb
>
> After compressing to H.254 with same settings it's about 29 kb
>
> WOW. Now that's a case where there's significant amount of background
> pixels that don't change color. Furthermore, the compressed/encoded
> animation looked a tiny bit lighter and with less contrast. Perhaps
> that's a tradeoff for using that codec. But still, wow. What a
> compression.
>
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