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Activity Forums Adobe After Effects removing pulldown in a mystery video

  • removing pulldown in a mystery video

    Posted by Paul Dougherty on November 5, 2012 at 2:02 am

    I’m trying to work with a YouTube clip for an in-house rip-o-matic that is 23.98. It has the ghosted “combination” frames that I associate with pull-down in a film transfer. (my edit is 29.9) I know little about it provenance except it was a splash or tease video for a PS3 game, grabbed off the display in Europe. It’s really great so I’d like to go the extra yard to help it.

    I tried to bring it into After Effects and Interpret it- just poke and hope, guessing field dominance and trying both “guess” buttons – but just get a beep an nothing happens. Is there anything else I could try or look into? Thanks in advance.

    Paul

    Paul Dougherty replied 13 years, 10 months ago 4 Members · 6 Replies
  • 6 Replies
  • Chris Wright

    November 5, 2012 at 7:09 am

    Can you post the link?

    I’m thinking that it was originally a PAL 25fps upperfield interlaced, then recorded with a 23.976 progressive. I don’t think there was a pulldown. I think when it got decimated to 23.976, it blew away the framerate, fields, and resolution.

    I don’t think there’s enough data to recover the fields. Your best bet is to use reelsmart motion blur and set to -2.00 which will remove the blur.

  • Darby Edelen

    November 5, 2012 at 7:37 am

    I’m confused about some of the details. Is the source 29.97? If you’re seeing ghosted frames that aren’t made up of two distinct fields then it’s pretty much hosed.

    Darby Edelen

  • Paul Dougherty

    November 5, 2012 at 1:31 pm

    Source is 23.98, (sources are a mixed bag) edit is 29.9

    Is it possible to step through footage one field at a time in AE? I’ve tried to Google for an answer to no avail

    Thanks,

    Paul

  • Walter Soyka

    November 5, 2012 at 2:10 pm

    [Paul Dougherty] “Is it possible to step through footage one field at a time in AE? I’ve tried to Google for an answer to no avail”

    Yes. Interpret the footage to separate fields, then double-click the footage to open it in a footage viewer. PageUp/PageDown will move a field at a time.

    Walter Soyka
    Principal & Designer at Keen Live
    Motion Graphics, Widescreen Events, Presentation Design, and Consulting
    RenderBreak Blog – What I’m thinking when my workstation’s thinking
    Creative Cow Forum Host: Live & Stage Events

  • Darby Edelen

    November 5, 2012 at 3:56 pm

    With a 23.98 source if it ever had a pulldown someone has already tried to remove it. Maybe the pulldown was handled incorrectly early on (not uncommon) but removing a pulldown from a 23.98 source wouldn’t make sense.

    The ghosted frames could also be frame blending caused by a mismatch in the source and timeline frame rates. Do you see the ghosting in a media player (QuickTime)?

    Darby Edelen

  • Paul Dougherty

    November 5, 2012 at 6:59 pm

    I see the ghosted frames in the raw YouTube video. Maybe a dumb question but does YouTube even allow interlace in the YT processed videos that appear on their site?

    -P

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