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Forums Avid Media Composer DNxHR HQX not playing back

  • DNxHR HQX not playing back

  • Guy Handelman

    July 17, 2020 at 6:21 am

    I’m having trouble playing back footage in a timeline. The footage “stutters” while the audio plays at normal speed.
    The clips are imported at DNxHR HQX (3840×2160) at 23.98 fps.
    The project settings are UHD 23.976P.
    I’m using a Mac Pro with 64 GB memory and MacOS Sierra Version 10.12.6.
    I’m on Avid Media Composer 8.9.3.

    My assistant has exactly the same setup as me and she can play back the clips fine.

    I tried playing back footage that is DNxHR LB (3840×2160) and that plays back just fine. I can’t think of anything I’m doing wrong. Any ideas would be greatly appreciated. Thank you.

  • Guy Handelman

    July 17, 2020 at 6:32 am

    I just unchecked “High Quality Scaling for Real Time Decode” in the Video Display Settings. It seemed to work for a moment, but then it went back to stuttering. Sigh.

  • Shane Ross

    July 17, 2020 at 5:14 pm

    What type of drive is this footage on? Connected how?

    Shane
    Little Frog Post
    Read my blog, Little Frog in High Def

  • Guy Handelman

    July 17, 2020 at 7:01 pm

    WD EasyShare solid state drive connected via USB 3.

  • Shane Ross

    July 19, 2020 at 11:12 pm

    Wondering if USB3 is fast enough for DNXHR at 4K….

    Shane
    Little Frog Post
    Read my blog, Little Frog in High Def

  • Guy Handelman

    July 19, 2020 at 11:54 pm

    I thought the same thing, but it seems to work on my assistant’s system.

  • Mike Drew

    July 20, 2020 at 4:58 am

    Green/Green or Green/yellow mode?

  • Mike Drew

    July 20, 2020 at 4:59 am
  • Guy Handelman

    July 21, 2020 at 4:39 pm

    Completely yellow mode.

  • Glenn Sakatch

    July 25, 2020 at 4:36 pm

    might want to try a different usb port. Maybe one on the back of the machine as opposed to a front panel port.

    Glenn

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