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Is it possible to slow down a video clip that has effects applied to it?
I am editing a video and have added a black and white filter, but a specific part is masked out so that it is still shown in colour. This mask was very time consuming to create for each frame and as such I do not want to have to re-do it. I want to slow down the video clip so that it takes place over 6 seconds instead of 2 seconds.
My question is: Can I slow down this video clip while still keeping the effects applied correctly?