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Blue pixel noise on Kona 2 with FCP 5
Hi there,
Repeating a post on the Kona forum in case it’s a Final Cut issue rather than the Kona 2 card…
When playing through the timeline (1080i 29.97 8 bit Uncompressed) I get random blue pixels appearing throughout. This is only really noticeable on darker areas of the screen, but when it comes to mastering back to tape, it’s going to ruin a perfectly good online!
I haven’t got a recordable deck in at the moment, so can’t check if the specks will get printed to tape, but they’re all over the monitor (Sony HD Multiformat), so it looks likely. I’ve played a HD tape directly into the monitor, and the specks aren’t there, so the problem must be coming from the card or Final Cut. Yes?
Luckily the specks don’t appear to be on the actual footage – a frame-by-frame analysis shows that thay’re never in the same place on the same frame. They’ll even disappear when parked on a still image.
I’ve noticed that they don’t appear when playing a slug or matte generated in FCP – only on captured footage.
Anyone seen this with any other card? …or even better, has anyone managed to fix this?!?
Many thanks,
Al
FCP 5.0.4
AJA Kona 2
EonStor 1.7TB SCSI RAID
OSX 10.4.4
8GB RAM
2.7GHz G5 -
3 Replies
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Try reinstalling the Kona drivers.
Jerry
Apple Certified Trainer
Author: “Jerry Hofmann on Final Cut Pro 4” Click here
Dual 2 gig G5, AJA Kona SD, AJA Kona 2, Huge Systems Array UL3D
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Yes I had seen this problem and it has nothing to do with FCP or the Kona drivers. It is one of three things your video cables, your hard drives or the kona board.
The first thing to check is if your video cables are rated for HDSDI or SD-SDI (ie Belden 1505A, 1855A).
If they are only rated for standard def analog (ie Belden 8241) this could account for digital sparkles.Second are your drives at full capacity? Remember the ideal method is never to go beyond 75-80% of full capacity thereby allowing overhead. Take a sample clip and move it over to another drive other than your raid and then playback the clip to compare if you are still seeing sparkles.
If after completing all this testing the sparkles remain then by process of elimination you have narrowed it down to the board.
I had to replace a board which had sparkle problems after confirming all the other items mentioned were not creating the problem.
Contact AJA they will do you right and replace a board under warranty.
Tony Salgado
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Wow.
What a difference a driver makes.
Pixels have gone, and I now have realtime effects! Should’ve checked the drivers first – cheers, Jerry.
I have to say a big thanks to AJA support, who were great at guiding through the process. And were ready to despatch a new card/box tomorrow if the drivers didn’t work. But they did. Hurrah!
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