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Activity Forums Apple Final Cut Pro Legacy HDV to ProRes – flicker on motion

  • HDV to ProRes – flicker on motion

    Posted by Serac Adventure films on July 25, 2007 at 3:54 pm

    Hi All,

    Just noticed that when running out HDV shots through compressor for pro-res, we’re getting a flicker on the edges of motion shots.

    HDCAM to pro-res – no problem – when we stop on a frame with motion we see interlacing horizontal lines on the edges – looks great in motion

    when doing hdv to pro-res – when we stop on a fram w/motion in it, there are no interlacing lines, rather – it’s just a smooth blurry edge?

    any advice? shift fields doesn’t quite work

    -dave

    Serac Adventure films replied 18 years, 9 months ago 2 Members · 3 Replies
  • 3 Replies
  • Will Macneil

    July 25, 2007 at 4:16 pm

    Where are you seeing the interlace lines? On your computer monitor or on a CRT?

    W

  • Serac Adventure films

    July 25, 2007 at 5:14 pm

    when viewing an HDCAM image that’s been prores’d – out through kona card to HD-SDI – to LCD panisonic monitor or sony BVM it looks great

    when viewing an HDV image that’s been prores’d – out through kona card to HD-SDI – to LCD panisonic monitor or sony BVM the motion has this ‘trail’ to it, not smooth.

    when viewing an HDV image (Native) – out through kona card to HD-SDI – to LCD panisonic monitor or sony PVM – it looks great

    So when I noticed something was weird with the HDV to prores stuff, i compared frame to frame with the HDCAM.

    I am viewing on a panasonic lcd monitor with an HD-SDI input
    with HDCAM that’s been prores’d – when I go frame by fram i see the interlacing

    with HDV that’s been prores’d – when I go fram by frame, i don’t see the horizontal interlacing lines. instead of the interlacing lines of the arm/ice axe is about to advance to in the next frame, it’s just a smooth half-frame. don’t know if this makes sense. But in the end, the HDV motion looks horrible, like it has this trail behind the object moving

  • Serac Adventure films

    July 27, 2007 at 4:26 pm

    Hi All,

    We solved it – you have to run HDV to uncompressed HD 8-bit and then go to prores. If you straight from HDV to prores 422 HQ – it looks real jittery with the motion. I’m surprised no one has mentioned this previously on the forum

    -david

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