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Saw tooth

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Saw tooth
by Albert Sanchez on Jun 23, 2008 at 9:09:40 pm

http://www.youtube.com/watch?v=T9uwAU0v958

I got a problem with saw tooth in this background. I used fractal noise and polar coordinates to make it. I would like to find a way to solve this up. Thank you in advance

Live like you were going to die tomorrow and learn like you were going to live forever.



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Re: Saw tooth
by Kevin Camp on Jun 24, 2008 at 12:54:08 pm

i can't tell if the problem you are refering to is anti-aliasing that you may have in the footage, or if the issue is the compression artfacts in the youtube clip....

does the image look ok in the preview window, but look bad after compressing it for youtube?

or does it look bad in the preview window too?

if it looks bad after being comressed, look around on youtube (or maybe google) for compression settings or recommendations to get the best quality... but know that high contrast, fast moving video/renders will take a big quality hit with most compression types, particularly that of streaming codecs. blurring and adding noise to degrade image quality may actually help the final compressed render look better (it sounds contradictory, but it can help).

also rendering to an high quality uncompressed format from ae, and then using a separate comrpession utility to compress for the web will almost always produce a better quality clip. you'll want a compression utility that can compress to the codec/format that youtube uses (if that is the destination) with their specifications and one that can will do a 2-pass vbr compression. again, if the destiantion is youtube, they may have recommendations on software and settings...

Kevin Camp
Senior Designer
KCPQ, KMYQ & KRCW

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Re: Saw tooth
by Albert Sanchez on Jun 25, 2008 at 9:05:40 pm

Sorry for not being specific. I have the problem in the preview window, I create a solid in which I apply fractal noise to create some stripes that move and then when applying the polar coordinates the aliasing appears. I've tried blurring it but it doesn't look ok to me I want perfectly contrsasted lines. May be there's some specific plugin to solve this or may be there's another way to do that kind of animation. Any idea?

Regards,

Live like you were going to die tomorrow and learn like you were going to live forever.



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