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Jitter on certain layers
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Tried going a bit slower and way faster. It’s still got that little judder. Good thought though, thank you.
Nick Vaka
Motion Graphics & Animation
https://www.nickvaka.com -
I just cranked it to 360º and it’s still doing it, but it’s less noticeable with the additional blur. Maybe that’s the ticket?
Nick Vaka
Motion Graphics & Animation
https://www.nickvaka.com -
There isn’t a frame rate difference between nested comps is there? Like 29.97 in the outer master comp and maybe 30 in the inner? Or footage at a diff frame rate from the comp?
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Up your frame rate to 60 and it will go away. The question is if the deliverable will playback at 60 on whatever platform that is. Motion blur can definitely help but I have a feeling it works counter to what the goal is: to have things be clear and somewhat sharp.
I’ve come across this issue so many times where clients want text or images to scroll across the screen but be legible and non-seizure inducing at the same time. Thing gotta crawl really slow or have a high frame rate to smooth things out. Even with live action the same problem persists. I was the VFX person on a shoot where cats rode skateboards through the frame. It was important that things be sharp so you can make out the product. We ran into the same issue at 24 or 30 fps, and it went away at 60, but the end platform dropped the frame rate to 30. Ho hum. Our best practice now is to avoid these executions and either have the moving thing stop in the middle of the frame then exit or move slower.
Best regards,
Kevin Camin
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That is the one thing I have yet to try. I’ve made sure everything is now 59.94 FPS and it’s cookin’. I’ll let you know what it does.
Thanks!
Nick
Nick Vaka
Motion Graphics & Animation
https://www.nickvaka.com -
Well shoot! That seems to have fixed the issue. It’s going to take forever to render, but this fixes the problem. Now I just need to ensure we can play back at 59.94.
Thank you!
Nick Vaka
Motion Graphics & Animation
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Depending on the problem you can pull the final render back into AE and render out at 29.97 to match your playback specs.
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You’re welcome. Hope you can do HFR playback.
Best regards,
Kevin Camin
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Im not seeing anything odd in the video I don’t see anything jittering or aliasing problems.
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It’s a temporal issue not a spacial one.
It used to be (back-in-the-day) with electronic character generators, you had preset speeds you could roll text at to avoid judder or stroboscopic artifacts. It’s the same phenomenon that makes wheels look like they are going backwards when shot at certain frame rates, with the wheels spinning at a certain speed with the shutter at a certain angle. It’s all about aliasing and sampling errors.
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