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Activity Forums Avid Media Composer Quick Time looks Strobe-like in Avid

  • Quick Time looks Strobe-like in Avid

    Posted by Mike Throck on November 20, 2008 at 7:08 pm

    I’m bringing in a quicktime exported from Final Cut Pro, to the Avid with DV/NTSC settings. The video has an undesireable strobe effect. Has anyone encoutered this problem before?

    Terence Curren replied 17 years, 5 months ago 3 Members · 2 Replies
  • 2 Replies
  • David Braswell

    November 20, 2008 at 7:51 pm

    Sounds like field-reversal. Make sure the movie was exported inerlaced, lower (even) field first. Also make sure you’re importing it with the correct (even field first) Avid settings. Check for that in the Options tab of Import.

  • Terence Curren

    November 23, 2008 at 6:48 pm

    Strobe like could be several things.

    The field reversal, as mentioned, is one thing to check. This will show up as irregular diagonal lines that is exacerbated by movement.

    Another is whether Avid is resizing the shot. If the original is DV and you are in a NTSC project, Avid will actually resize the shot from 480 vertical lines to 486 vertical lines… and the resizing sucks. This shows up as a couple of horizontal bands of funky video across the frame. If this is the case, select the maintain size option on import.

    A funky strobing look can come into play when you get the wrong “A” frame removed from 30 to 24 footage and then going back to 30 causes “judder.” I doubt this could be your problem considering the workflow.

    Terence Curren
    http://www.alphadogs.tv
    http://www.digitalservicestation.com
    Burbank,Ca

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