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Moving text/object leaves trail after render

PostPosted: Mon May 24, 2021 4:06 pm
by suchos
Hello,
I am not sure how to describe the issue, but you will see it on the pictures bellow.
I used Sony Vegas for a long time, but now i want to switch to some other editor. I tried to make my intro sequence in Davinci Resolve 17, rendered it, but the moving text leaves uggly pixel trail. I have exact same thing in Sony vegas, and there is nothing like that. It is completely nicely black.
Here are 2 screenshots, 1 from video and second one is edited, so you can see what i mean.
Can anyone help me? Not sure what i am doing wrong (tried mutliple rendering options).
Thank you

Image
Image

Re: Moving text/object leaves trail after render

PostPosted: Tue May 25, 2021 3:37 pm
by Jim Simon
Using Occam's Razor, I want to check for Operator Error.

Have you completed any training for Resolve?

https://www.blackmagicdesign.com/produc ... e/training

Re: Moving text/object leaves trail after render

PostPosted: Wed May 26, 2021 8:05 pm
by suchos
Hi, actually no i didn't, i tried different settings for exporting, which i found online, but result was the same

Re: Moving text/object leaves trail after render

PostPosted: Thu May 27, 2021 1:41 am
by Uli Plank
Check for illegal values with your scopes, many people forget this when using external graphics.
DR is assuming professional knowledge, while other programs may fix issues behind your back (and introduce other problems).
If that doesn’t help, try to export in a high quality codec like Cineform or DNxHR and see if it persists. If it’s gone, make your final version in Handbrake.

Re: Moving text/object leaves trail after render

PostPosted: Thu May 27, 2021 7:03 am
by suchos
Its there even if i use HQ codec and even uncompressed.
Its just weird for me, that vegas renders same thing with h.264 without problem...

Re: Moving text/object leaves trail after render

PostPosted: Thu May 27, 2021 8:22 am
by Peter Chamberlain
My guess is GPU

Re: Moving text/object leaves trail after render

PostPosted: Thu May 27, 2021 9:33 am
by suchos
And can you please direct me a little, what i need to do to fix this?

Re: Moving text/object leaves trail after render

PostPosted: Thu May 27, 2021 9:37 am
by Uli Plank
For a start, tell us which one you have.

Re: Moving text/object leaves trail after render

PostPosted: Thu May 27, 2021 9:50 am
by suchos
Here are my specs:
AMD Ryzen 5 3600
16 GB RAM
NVIDIA GeForce 2060 SUPER (8gb)

Re: Moving text/object leaves trail after render

PostPosted: Mon May 31, 2021 2:01 pm
by suchos
Just tried to download Adobe Premiere trial version, put my intro in and hit render with 264 codec. Outcome nicely black, no dead pixels. Seems like only DR has this issue.

Re: Moving text/object leaves trail after render

PostPosted: Mon May 31, 2021 2:37 pm
by Uli Plank
Did you use hardware accelerated render? If so, try to switch it off and give it another try.