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  1. I'm capturing from a terrestrial analogue ariel and capturing with my Matrox G400Tv using VirtualDub. Problem is, on one channel, I get some interference which manifests itself as a kind of rippling effect of the whole picture. The ripples are a few pixels wide and are horizontal, moving slowly in a vertical direction on the screen. I can put up with the interference at this stage, but when I try to convert it to Mpeg or DivX it looks a bit crappy.
    Hope you understand what I am trying to describe. Does anyone know any virtualdub filters that might combat this problemo?

    thanks
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  2. Member
    Join Date
    May 2001
    Location
    Maryland, USA
    Search Comp PM
    Try fooling around with the Temopral Cleaner, Dynamic Noise Reduction, and Temporal Smoother filters for VDUB. Sorry, I don't have a link for these on hand.

    I capture from analog cable and usually only need to use the Temporal Cleaner, so try that first with a threshhold of 50-100. If that isn't enough, try adding some dynamic noise reduction or temporal smoothing (too much will cause motion blending, so be careful) until you find a combination that suits you.

    <font size=-1>[ This Message was edited by: N0SoopForU on 2001-10-24 02:27:37 ]</font>
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  3. Member
    Join Date
    Jul 2001
    Location
    Anchorage, AK, USA
    Search PM
    If converting to MPEG, the noise removal filter in TMPGEnc 2 sometimes does wonders. Alas, it slows processing to a crawl.

    It actually appears to just be a smoother, but it does work.
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