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Activity Forums Adobe Premiere Pro Unwanted artifacts show up in my export (w/pictures)

  • Unwanted artifacts show up in my export (w/pictures)

    Posted by Joseph Olson on August 27, 2018 at 4:14 pm

    I’m working on a music video with an effect that I achieve by layering one clip on top of the other and then apply a cropping mask to the top clip and tracking it throughout the duration of the clip. This creates a wiping transition that I really enjoy. This is what the clip looks like in premiere:

    And this is what it looks like upon exporting:

    Why do those bars show up on the side when I export and how can I get rid of them? my theory is that it has something to do with the crop effect, but I have no idea why or what to do about it. PLEASE HELP
    I’m also including a picture of the timeline at the point of the affected clips, and a picture of the effects on the top clip.

    Joseph Olson replied 8 years ago 4 Members · 5 Replies
  • 5 Replies
  • Shane Ross

    August 27, 2018 at 6:06 pm

    Are you sure you posted a before/after picture? Because I’m looking at both and I swear, they look identical to me.

    Shane
    Little Frog Post
    Read my blog, Little Frog in High Def

  • Jeff Pulera

    August 27, 2018 at 8:12 pm

    I didn’t see them either until I went full screen, was looking for black bars. I don’t know the cause, but maybe try exporting with GPU Acceleration OFF as that sometimes is a fix for weird issues like this.

    Jeff Pulera
    Safe Harbor Computers

  • Joseph Olson

    August 28, 2018 at 3:38 pm

    Thanks for the arrows. yeah they are much more noticeable in real-time. I will try another export but I think that this export was already done without GPU.
    Thanks so much for the help, any more ideas from anyone is appreciated!

  • Ann Bens

    August 30, 2018 at 8:00 pm

    Do not use the mask on the Crop effect. It can cause strange behaviors.
    Any other effect will be fine: i usually use Opacity.

    ———————————————–
    Adobe Certified Expert Premiere Pro CS2/CS6/CC
    Adobe Community Professional

  • Joseph Olson

    September 3, 2018 at 5:24 pm

    Thank you for this. In the future I will be using an opacity mask instead of a crop, it’s probably easier anyway.

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