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Activity Forums Apple Final Cut Pro Legacy Frame blending when speeding up footage?

  • Frame blending when speeding up footage?

    Posted by Daniel Grixti on August 25, 2010 at 9:45 pm

    Hi there,

    I have recently been working on a short film in which I am manipulating the speed of my clips in various places. I have sped one short shot up to about 300% but when I play it back I am getting frame blending. If I select certain frames I can see how two or more frames have blended. This makes the speed look ghostly and unnatural.

    I am working in FCP 6 and just changing the speed in FCP. My footage is from the Canon 7D and I have changed the codec from h.264 to Avid DNxHD.

    Can anyone give some advice on how to fix this?

    Jamin Conn replied 14 years, 6 months ago 5 Members · 5 Replies
  • 5 Replies
  • John Fishback

    August 25, 2010 at 10:11 pm

    I’m curious why you chose DNxHD rather than ProRes – a codec designed specifically for smooth editing within FCP. If either is on, you can switch off Frame Blending and/or Motion Blur in the Motion tab. Try that.

    John

    MacPro 8-core 2.8GHz 8 GB RAM OS 10.5.8 QT7.6.4 Kona 3 Dual Cinema 23 ATI Radeon HD 3870, 24″ TV-Logic Monitor, ATTO ExpressSAS R380 RAID Adapter, PDE enclosure with 8-drive 6TB RAID 5
    FCS 3 (FCP 7.0.2, Motion 4.0.2, Comp 3.5.2, DVDSP 4.2.2, Color 1.5.2)

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  • Daniel Grixti

    August 25, 2010 at 11:34 pm

    I chose DNxHD because I started editing this a long time ago with Premiere Pro on my PC. I was much less knowledgeable back then and DNxHD was recommended to me on a forum. I have seen the frame blending on both Premiere Pro and Final Cut Pro.

    Is it literally as simple as selecting ‘turn off frame blending’? If so, where would I find this option?

  • Eric Johnson

    August 26, 2010 at 8:10 am

    APPLE-J on the required clip.

  • Chris Wiggles

    August 26, 2010 at 6:01 pm

    You can also right click->chance speed and it brings up the same adjustment window as apple+J. There is a checkbox for frame blending you can turn on and off as you desire, depending on what look you want.

    Regards,
    Chris

  • Jamin Conn

    November 17, 2011 at 9:15 am

    wow, if only apple+J worked. frame blending is the bastard child option. hate it

    -Jamin
    EnvisoonedStudios.com

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