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Stutter to end credit roll

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Stutter to end credit roll
by Cedric Nairn- Smith on Jun 13, 2008 at 1:30:51 am

Hi. I am trying to export an end credit title sequence followed by an end crawl. The crawl has a very obvious stutter to it. I have read the previous posts regarding this matter and have tried some of the suggested expressions to fix this problem. However, I have not been able to reduce the stutter. Can anyone help me?
Thanks
Cedric

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Re: Stutter to end credit roll
by Chris Wright on Jun 13, 2008 at 4:59:56 am

stutter is speed of crawl in relationship to resolution of render and dpi of font size. You will have to make dpi closer to resolution and change speed of crawl so that all work together to reduce stutter. Play around with it and find out what dpi pixels don't look stuttery at certain sizes inside certain res.



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Re: Stutter to end credit roll
by Kevin Camp on Jun 13, 2008 at 2:33:53 pm

an expression like this for position should help:

a = 2; // amount of pixel to move per frame
y = a*time/thisComp.frameDuration;
value - [0,y]

no, keyframes needed, just position the list where you need it to start and it will march up the screen...

the 'a' variable can be set to change the speed of the credit roll. use whole numbers for a smooth scroll, use even whole numbers if you are rendering to fields, and you probably don't want to exceed a value greater than 1% of your comp height or the move will get kind of strobe like, (so if your comp is 720x480, a value of 4 is about the limit).

Kevin Camp
Senior Designer
KCPQ, KMYQ & KRCW

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