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MISSIONARY ENTERPRISES
MISSIONARY ENTERPRISES
Participant
October 15, 2018
Question

Fix Shuttering and shaking?

  • October 15, 2018
  • 2 replies
  • 2574 views

Hello, thank you for reading. I have been working on a trailer for my missionary school and I noticed every time I render the video I can not get rid of the choppy, shaky and shuttering (for lack of a better terms) during certain parts. I'm not sure if this has to do with the rendering itself, the images i'm using or just the intensity of the project and the demand it's putting on the computer. The video can be hard on the eyes, certain images do not come in smoothly but rough and it hurts the eyes when looking at that part of the trailer. The computer itself is holding 128GB of RAM, I7 , and top of the line video card. If you could please take a look at the first trailer we made on Youtube (link below), you will get an idea of what I am talking about. You can see that this happens the most at 27 seconds in and at 1:13 in. Mainly with the banners and the globe. Any solutions or tips to get a smoother and crisper render would be great!!  Thank you!

Youtube Link: #1 Missionary Enterprises Bible School International - YouTube

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2 replies

OussK
Community Expert
OussKCommunity Expert
Community Expert
October 15, 2018

First follow Andrew Tips since it's very important,

second on the 0:27 the globe being shaky and shuttering because it was on frame rate different than your composition frame rate. so you must use same frame rate for all composition and video file you use to get a good result and fix this issue.

Andrew Yoole
Andrew Yoole
Inspiring
October 15, 2018

I watched your video at 360p in a small window and it looked fine.  Then I watched it at 1080p fullscreen and saw your problems.  The main issue here is the style of design, combined with the speed of the movement.  Watching at a smaller scale suppresses the issues.

The designs have a lot of thin lines (eg outlined text) and scaled graphics with fine detail (like the flags).  Fine lines are the enemy of video production.  They create aliasing and strobing issues.  Moving elements with fine lines are even more problematic. 

Some solutions:

• Add motion blur to your animation to suppress frame judder.

• Remove fine outlines from your text and other elements. Apart from the technical issues they cause, they look cheap and nasty.

• Avoid fonts with fine-edged serifs.  

• Add a tiny bit of vertical blur to fine graphics like your scaled flags, to blend the pixels between blocks of colour more smoothly.

• Avoid very fast movements of detailed elements when you can.  If you can't, experiment with the speed of the movement.  If the speed of your animation conflicts with the refresh rate/frame rate of your output file, motion artefacts can make your motion look stutter/juddery.

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