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Forums Adobe Premiere Pro faking motion blur with time remapping?

  • faking motion blur with time remapping?

     Blaise Douros updated 2 days ago 4 Members · 5 Posts
  • Andy Engelkemier

    April 13, 2021 at 12:35 pm

    I can’t seem to find this, as everything I search keeps showing the trick for creating motion blur from an animated moving object by using the transform effect rather than just the regular motion. Great tip, not what I’m looking for.

    I have footage where the camera is paused looking at something, it then does a slow, even, pan to the right, then pauses there to look at another action.

    I made that speed about 2000%. And I’ve tried “frame blending” but it doesn’t seem like there’s anything to control. In AE you can change the shutter angle for a composition. In premiere the only place I can see to do that is the transform effect, and your limited to 360 anyway.

    For now, I’m manually creating a similar feel by animating the angle and length of direction blur. But I’d love to know if there is another way to do it. I’ve got All these frames in there with tons of information, but sadly I can’t figure out how to make use of it.

    Premiere also really confuses me, and maybe this is one spot I’m getting stuck. I had to add the directional blur to an adjustment layer because the keyframe timing seems to happen Before the time remap? That makes it Really difficult to line things up.

  • Matt Lyon

    April 13, 2021 at 1:25 pm

    The built in tools in Premiere won’t do what you are trying to achieve. I’ve gotten decent results with Re:vision Effects ReelSmart Motion Blur:

    If memory serves, DaVinci Resolve also has a built in fake motion blur plugin that you could try (and it’s free).

  • Todd Perchert

    April 14, 2021 at 3:03 pm

    Sounds like you’ve used AE. Why not send that clip to AE through Dynamic Link, do your work on it there. Much easier to do what you want in AE and much more control.

  • Andy Engelkemier

    May 11, 2021 at 8:17 pm

    Ha, believe me. If Adobe changed the way things get previewed and played in AE so it was comparably as fast as Premiere, I’d never leave AE. There is Very little I like about Premiere. But stringing together a bunch of videos, premiere is much faster.

    I still don’t get why Both applications can’t just crunch away at things in the background All of the time for really good previews. Like, if you’re just doing some color grading on something, it’s not using 100% of your GPU or processor. Why not start rendering the preview for that title I made 4 minutes ago so that when I end up playing there again it’s ready to go?

    If they manage to get that, and have the real-timiness of premiere in AE? Well that would just be super duper neat.

    And yes, I ended up doing that clip in AE. Not with dynamic link though. I have had too many issues with final renders when I do that. Like, media encoder just gets stuck at some point. So I ended up just deciding to not use it. I guess it’s been a while though, and perhaps I can give it some more tries.

  • Blaise Douros

    May 11, 2021 at 9:08 pm

    You can fake motion blur with Time Remapping, as you tried up-thread: just make sure to turn Frame Blending on for that clip, and (this is the crucial part) render that section of the timeline. You will NOT see an accurate preview unless you render it–it will show up like Frame Sampling until you actually render.

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