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Forums Adobe Premiere Pro visual noise after rendering video effect

  • visual noise after rendering video effect

  • Ruby Gold

    April 4, 2005 at 5:07 pm

    I’m using PPro 1.5 and after applying an effect like levels adjustment on a video clip and rendering it, it appears in playing it back in the monitor that there is visual noise, a sort of subtle snow-like noise that the original clip didn’t have.

    Is there a way to avoid this, or does it resolve after the clips are exported? Any help here greatly appreciated.

  • Chad Treanor

    April 4, 2005 at 7:58 pm

    Ive been using premiere for about 3 years and Ive found that even effects like the color corrector can leave digital artifacts, create noise and even ruin a video clip. I’ve come to the point where I use after effects to really adjust the clips visual data so it wont go way overboard with pushing its color capabilities to the limits. After adjusting in AE i’d export it as a new clip. That way you have more controls and more ways of adjusting, cropping and masking different layers of effects together and making a greater pretty picture.

    If you don’t have AE you may want to consider adjusting your video image a little less. I had to edit an instructional video where a guy was under an 18 wheeler in almost complete darkness and make it visible. So when I brought up the levels and adjusted every possible aspect in PPro, I had to tell the client that this is really un-useable footage. My video clip was awful and grainy once I added the adjustment effects. Its sometimes better to edit with the best take and to try to shoot in the best light.

    I hope this helps.
    Chadwik

  • Ruby Gold

    April 4, 2005 at 10:53 pm

    Thanks so much for this response. I tried doing basically the same effect (adjusting levels) on the clip in AE (5.5) instead of PPro 1.5 where I’d tried it first, rendering it in AE and importing into PPro. Still looks pretty “snowy” grainy. Any other thoughts out there?

    thanks-

  • Scott

    April 4, 2005 at 11:19 pm

    It almost sounds like the changes you are making are revealing noise that is allready there. What source / Process was used to capture? I ask because even after some extensive tweaking I have never experienced this. Was there any gain up settings on the camera?

    Scott

  • Ruby Gold

    April 5, 2005 at 12:02 am

    Good point. I think there might have been a bit of gain inadvertently on–now that you mention it. Source/process for capture were from Sony clamshell via firewire into PPro 1.5’s capture utility.

  • Scott

    April 5, 2005 at 1:58 am

    I tried looking up “Sony Clamshell” and all I could find were cell phones. Just out of curiosity, what model camera are you using?

    Scott

  • Ruby Gold

    April 5, 2005 at 4:05 pm

    Hi Scott. I’m using a Canon GL2, and the “clamshell” is a Sony “mini-vcr.” It’s official name is the Sony DV-1000 (Digital Video Cassette Recorder).

    Ruby

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