ADOBE AFTER EFFECTS: Forum Expressions Tutorials Creative Cloud

Hoping to reduce jittery text rendered from AE

COW Forums : Adobe After Effects

<< PREVIOUS   •   FAQ   •   VIEW ALL   •   PRINT   •   NEXT >>
Mike TosettoHoping to reduce jittery text rendered from AE
by on Sep 20, 2013 at 12:35:56 am

Hey guys

I'm working on quite a simple video with lots of vertical lines moving horizontally across the screen revealing text.

I'm finding that I'm getting quite a bit of jitter/flicker, especially on the text when I render the footage.

I'm rendering to a lossless codec - Apple ProRes 422 HQ

The frame rate is 25 fps.

I don't want to add any motion blur as it's not in line with the brand but I'd like the lines and text to be as smooth as possible.

I did notice that when I increase the frame rate, the flicker seems to reduce, but am I able to upload a video with a frame rate of 100fps to Vimeo?

Here's a link to an 8MB sample of the video:
https://www.dropbox.com/s/0phyw3tnnjqtr4i/jitterExampleLo.zip

Any thoughts or suggestions would be much appreciated.

Cheers

Mike

miketosetto dot com


Return to posts index

Roland R. KahlenbergRe: Hoping to reduce jittery text rendered from AE
by on Sep 20, 2013 at 2:11:20 am

It's too troublesome to take a look at your video - I suggest uploading it to the COW and then provide the link in your posts.

To remove the jitters, try lowering the opacity and if that doesn't work, look at trying different speeds for your movement.

HTH
RoRK

Intensive mocha & AE Training in Singapore and Other Dangerous Locations

Imagineer Systems (mocha) Certified Instructor
& Adobe After Effects CS6 ACE/ACI


Return to posts index

Dave LaRondeRe: Hoping to reduce jittery text rendered from AE
by on Sep 20, 2013 at 10:02:39 pm

Yipes! It's all vertical lines with horizontal motion!

You're experiencing the phenomenon known as judder, and it's most apparent at lower frame rates. Unfortunately, your frame rate is about as low as it can get.

Your options are to 1) change the speed of the horizontal motion or 2) change the speed of the horizontal motion. Adding motion blur to those vertical lines might help, too.

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


Return to posts index


Nathan HoweRe: Hoping to reduce jittery text rendered from AE
by on Sep 23, 2013 at 7:27:52 pm

Rather than adapting to multiples of frame rate, as animated motion is sometimes an arbitrary numerical value, I'll almost always use some type of motion blur, but it depends on the project. I have done it both ways though...


Return to posts index

Todd KoprivaRe: Hoping to reduce jittery text rendered from AE
by on Sep 21, 2013 at 4:54:28 pm

See this page for tips on avoiding judder:
http://kb2.adobe.com/community/publishing/908/cpsid_90843.html

---------------------------------------------------------------------------------------------------------
Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
---------------------------------------------------------------------------------------------------------


Return to posts index

<< PREVIOUS   •   VIEW ALL   •   PRINT   •   NEXT >>
© 2017 CreativeCOW.net All Rights Reserved
[TOP]