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Activity Forums Avid Media Composer Crossconvert 1080i/59.94 to 1080p/23.976?

  • Crossconvert 1080i/59.94 to 1080p/23.976?

    Posted by Daniel Quintanilla on April 17, 2008 at 6:55 pm

    Hi,

    I am editing a project that was primarily filmed in XDCAM HD 35Mbits 1080p/23.978. But some footage was shot in the same format, but at 59.94fps, and I need to convert it (crossconvert) so that we can use it in our Avid Project which is set at 1080p/23.978. Any thoughts on the best way to do this?

    Thanks. Daniel

    Clement Hobbs replied 18 years ago 4 Members · 4 Replies
  • 4 Replies
  • Bobby Calautti

    April 18, 2008 at 7:25 pm

    You have interlaced and progressive formats. I think you need a Teranex. http://www.teranex.com/

    bobby

  • Terence Curren

    April 20, 2008 at 5:24 pm

    That is not technically a cross convert as you are changing frame rates. You will need a Teranex as mentioned to do a good job.

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

  • Daniel Quintanilla

    April 20, 2008 at 6:03 pm

    I´ll look into it. Thanks

  • Clement Hobbs

    April 24, 2008 at 1:55 pm

    We’ve run into that problem before as well. Our clips were quite isolated and small. We used Combustion for this simply because it did the speed changes a bit better then the Avid:

    Count # of frames in 59.94 for each shot, say 90 frames for this example, so the shot is three seconds at 59.94.

    If we were to remove theoretical pulldown from the above number we would end up with 72 frames @ 23.976

    We sped up the original footage to hit 72 frames then re-imported the result into the 23.976 project.

    This didn’t work for every shot but we were able to repair a significant amount of them. Talking heads were fine, long slow pans were a problem because most basic comp packages drop frames to speed up a shot and we would get skipping from time to time.
    If this had happened more often, we would have looked into better speed changing plug-ins.

    Hope this helps.

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