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After Effects Render problem

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jalil brown
After Effects Render problem
on Sep 13, 2011 at 4:22:46 pm

First off - the video is being uploaded to youtube right this second so as soon as its uploaded i will post a link

Ok so i have a huge problem, After Effects CS4 after i finished tweaking my footage i place in the render que with settings

(as in the video)
level 4.2
profile: main
Min/Max bitrate 40
Square pixals

i don't know if these are the right settings but they seem to work for me, however
its only recently that when i started to render my computer froze at excatly 18:07 everytime and when it reconnected with after effects my render live view turned green (like a solid layer) and my final render was half footage and the rest green!

has anyone come into this problem before please help

thank you

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Dave LaRonde
Re: After Effects Render problem
on Sep 13, 2011 at 4:39:14 pm

Without further information, we can't say for sure. But I can take a really good guess: the problem most likely lies with your footage. It's a problem in AE 9 (aka CS4), but not in AE 10 or 10.5. Here's what's probably going on:

Dave's Stock Answer #1:

If the footage you imported into AE is any kind of the following -- footage in an HDV acquisition codec, MPEG1, MPEG2, AVCHD, mp4, mts, m2t, H.261 or H.264 -- you need to convert it to a different codec.

These kinds of footage use temporal, or interframe compression. They have keyframes at regular intervals, containing complete frame information. However, the frames in between do NOT have complete information. Interframe codecs toss out duplicated information.

In order to maintain peak rendering efficiency, AE needs complete information for each and every frame. But because these kinds of footage contain only partial information, AE freaks out, resulting in a wide variety of problems.

I'm a Mac guy, so I like to convert to Quicktime movies in the Animation or PNG codecs; both are lossless. I'll use Apple's Compressor, Adobe Media Encoder or Quicktime Pro to do it.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA

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jalil brown
Re: After Effects Render problem
on Sep 13, 2011 at 5:41:37 pm

Thank you so much for your answer it all makes sense now, since i used to export out of premiere pro as mov file i only recently read about h.264 an thats when the problems started i.e importing it into after effects, but thank you very much for the quick response


Jalil Brown

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