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Activity Forums Adobe Premiere Pro Question about increasing speed of the clip

  • Question about increasing speed of the clip

    Posted by Petr Berger on August 28, 2011 at 10:22 pm

    When I’m increasing the speed of the clip, what is actually happenind with the clip? I noticed the motion blur is increased too. What if I dont want this? I shot some video with faster shutter speed, because I want the moving objects (driving cars) to be sharp when paused. They are. Now, I need to increase their speed. But when I do that, motion blur appears and I dont want that.
    I want to simulate this look (without the need of doing a timelapse), when you pause it there is no motion blur (and thats the look I want):
    https://vimeo.com/10792824

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    Ben G unguren replied 14 years, 11 months ago 2 Members · 3 Replies
  • 3 Replies
  • Ben G unguren

    August 28, 2011 at 11:56 pm

    What you’re experiencing is “Frame blending”, not “motion blur.” That is, it is taking some of the hidden frames and fading them into each other. I think you can turn this off by right-clicking on the clip and disabling the check-mark next to “Frame Blending”… if I’m remembering correctly…

    Ben Unguren
    Motion Graphics & Editing
    http://www.mostlydocumentary.com

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  • Petr Berger

    August 29, 2011 at 12:12 am

    Thanks. Frame blending? Whats it good for? 🙂

  • Ben G unguren

    August 29, 2011 at 6:12 pm

    Frame Blending is useful for “smoothing” the motion of a frame. It is frequently used when slowing down a clip, a quick way to create interim frames that are simple crossfades of the frame before and after it.

    For speeding up clips, it can be useful to create motion blur sometimes. For instance, I once had some helicopter footage that had been shot at 72fps; it was flying over a mountain and the client wanted it to move much faster. By enabling frame blending, the movement of the trees and rocks was made blurry, which helped enhance the presumed “speed” of the helicopter’s movement. The client was over the moon at how I was able to make it blurry, since her in-house editor didn’t make that blur happen.

    Ben Unguren
    Motion Graphics & Editing
    http://www.mostlydocumentary.com

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