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Activity Forums AJA Video Systems Beware of Kona colour issues FCP 5 and HD

  • Beware of Kona colour issues FCP 5 and HD

    Posted by Jack Tunnicliffe on July 8, 2005 at 10:04 am

    We have discovered that 10 bit uncompressed footage rendered in After Effects and brought back into Final Cut 5 displays normally until any filter is applied. At this point there is a significant color and gamma shift even before the parameters of the filter are adjusted. This does not happen with freshly captured footage, only with footage that has been converted from YUV to RGB colour space and back in Final Cut 5. Standard definition does not seem to be affected by this problem, only HD footage.

    We have a second system with a Kona 2 card and Final Cut 4.5. We do not have that problem with this set up. We are thinking of going back to FCP 4.5 if the problem cannot be resolved. Aja has not responded to our concern at this point.

    Jack Tunnicliffe
    Java Post Production

    Jack Tunnicliffe replied 18 years, 3 months ago 6 Members · 6 Replies
  • 6 Replies
  • Chris Tompkins

    July 8, 2005 at 2:31 pm

    Thanks Jack, Please keep us posted

  • Aja Sales department

    July 8, 2005 at 4:11 pm

    Hi Jack-

    We informed your reseller, and our rep in your area who is aware of your issues, that our engineering team is looking at this. I believe Rudy in our support department sent you a response email as well.

    It may take time for the reported issue to be examined, and come with any needed resolution.

    You are always free to call us, via either our toll-free 800 number (800) 251-4224, or on (530) 271-3190, if have any concerns or need a quicker response.

    Thank you for your patience.

    AJA Video Systems
    (530) 274-2048 Intl.
    (800) 251-4224 US

  • Walter Biscardi

    July 9, 2005 at 2:36 pm

    I’m not seeing that here with DVCPro HD footage.

    I’ve seen issues like this in the past with CineWave and if I recall correctly, it turned out to be a Quicktime issue.

    Walter Biscardi, Jr.
    Creative Genius, Biscardi Creative Media

    Now in Production, “The Rough Cut,”

    “I reject your reality and substitute my own!” – Adam Savage, Mythbusters

  • Joe Murray

    July 9, 2005 at 3:42 pm

    So in the system that doesn’t have this problem, the differences are the OS and FCP versions, but the Kona hardware is the same on both? Sure sounds like an Apple problem of some sort, not AJA. I’m sure you’ll hear back from AJA long before Apple, though.

    Joe Murray

  • Ramona Howard

    July 9, 2005 at 6:57 pm


    I have to agree with you because we are not seeing this issue on the Linux side using the AJA hardware.

    Cheers and best of luck,

  • Jack Tunnicliffe

    July 9, 2005 at 9:57 pm

    It does sound like it is an Apple problem.

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