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AJA Ki Pro - Frame drop problem

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Sebastian Fernandez
AJA Ki Pro - Frame drop problem
on Sep 16, 2011 at 9:17:07 pm

Hi,..

I'm having a problem with the media recorded on to the AJA HDD. Once we download clips (FIREWIRE 800) from the HDD's and playback in a MAC OS we experience frame dropps every now and then. We playback on Quicktime and Finalcut and have the same frame drop every time we try to redownload the same clip from the HDD's. Techinal specs on AJA: Encode Type = PRORES 422 HQ (220 mdps)
Software version = 2.0.0.125
We also fully format the HDD's before we start to record thus giving away any directory problem, there is no "status" problem ensuring of frames beeing dropped and on playback with AJA Ki pro we don't "see" the frame drop at the pricise time (Time Code) we would in Quicktime or FinalCut.
Then we also found that in our VTR infrastructure (three AJA Ki Pro, #1 and #2 with PGM and #3 with Insert) once we experience a frame drop on #1, one second and some milliseconds later, #2 dropps a frame or that #1 and #2 drop simultaneously and some milliseconds later #3 dropps a frame.

I also attached some examples.

Hope you guys can give us hand with this problem.

Best regards, Sebastian


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