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Subject: Re: [AE] QT scroll playback shakiness?
From: James Culbertson <albion@speakeasy.net>
In-Reply-To: <list-4710519@media-motion.tv>
Date: Wed, 9 May 2012 12:56:21 -0700
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Message-Id: <07079FAC-A0C3-49FE-9403-9070ACE7C791@speakeasy.net>
References: <list-4710519@media-motion.tv>
To: "After Effects Mail List" <AE-List@media-motion.tv>

It's not an issue of judder, but of shakiness, going in and out of =
smoothness, like the scroll hesitates slightly for a fraction of a =
second then catches up. I'm assuming it is because QT cannot play back =
the file at an even 29.97 at all times, but I am not sure.

Thanks for the nice judder review though.

James


On May 9, 2012, at 12:51 PM, Greg Bacon wrote:

> You may want to check out this article on Adobe's website...
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> It's call "Avoiding Judder in Motion Graphics"
> http://kb2.adobe.com/community/publishing/908/cpsid_90843.html
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>=20
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> On 5/9/12 3:43 PM, "James Culbertson" <albion@speakeasy.net> wrote:
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>> I have a scroll running at exactly 119.88 pixels/sec, but playing =
back on
>> the desktop progressive (and ProResHQ). I've noticed that sometimes
>> otherwise optimal scrolls like this will alternate from smooth to
>> slightly shaky and back to smooth randomly through playback in =
Quicktime.
>> Is this just a quicktime playback thing? Anyone else noticed this?
>>=20
>> It's usually completely smooth in After Effects itself.a
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>> I've seen it quite often before but just now had a client ask about =
it.
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>> Thanks,
>>=20
>> James
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>>=20
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