Clean up video in VSE Can't find an relatively easy way to make some very basic post-production clean some unwanted things from my final render video. I can re-render the video from the compositor with mask' and then re-re-render from VSE with sound' but that's not the way I'm looking for (finally I can take the rendered png's and edit them one by one in gimp...)
I'm trying to find a reasonable process for fixing some little errors in video. Example on the screenshot - from the left side there is some part of text that should not be there' for a couple of seconds.
In the VSE add a color strip
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The sample the source frame to change color of effect strip


Press F12 key to render a frame inot UV Image editor window then change to mask mode and add a mask.


Select the color strip and add mask modifier


change the effect strip's blend type to over drop