Tom Brooks
Forum Replies Created
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Sounds like you’ve taken it to the next level very nicely.
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Geez, it doesn’t get any easier. I captured the same DV footage in another FCP system and it’s fine there. Which suggests that the recorded material is fine and the camcorder is fine. I guess that’s good news. But my main FCP system seems to have trouble. Now to track it down. I’m wondering about Quicktime or FCP 5.1.2. These are things that have changed recently and the problem was only noticed recently. I modified the DV NTSC easy setup to have Kona LHe 8-bit video playback recently.
I also tested some Beta footage with very clipped highlights–capturing with the Kona LHE to DV. That was fine also. So the problem only comes with Firewire capture to the DV NTSC codec. Are there any AV settings that could cause this intermittent jitter?
Final Cut Studio, FCP 5.1.2, After Effects 6.5 Pro, Quicktime 7.1.3, G5 Quad 2.5, Kona-LHe V3, 4.5GB RAM, Nvidia GeForce 7800-GT, G-RAID 2x1TB FW800.
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Sorry, that post was supposed to say BSG-50.
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Bob,
I mistakenly mentioned the BG-50 instead of the BGS-50–thanks for catching that important point. What we have right now is nothing more than a small, portable, Videotek color bar generator. It’s usually used to set up monitors or for various testing in remote multicamera shoots. It’s battery powered, but has a wall wart that I’m using to keep it powered continuously. I have pressed it into service as a ref video source for the FCP system. The video (color bars) goes from the gen to the Beta, looping to the Kona. The system seems to work, but I’m suspicious of the jury rig. Am I on thin ice with this thing? Thanks.
-Tom -
I agree entirely. But this particular reaction to the mildly out-of-spec video seems unusual and indicative of other problems. If I find out any more about what is happening I’ll report back.
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If you grab a typical web page with Grab, you’ll be able to zoom in about 30-50% in SD video. CLoser than that, you’ll probably have to recreate it in a larger pixel dimension so that you can zoom way in on the details. After Effects would do a good job on the moves.
Final Cut Studio, FCP 5.1.2, After Effects 6.5 Pro, Quicktime 7.1.3, G5 Quad 2.5, Kona-LHe V3, 4.5GB RAM, Nvidia GeForce 7800-GT, G-RAID 2x1TB FW800.
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Kevin,
Not sure you’re still following this thread, but I did test the Kona yesterday and it’s picture perfect. As AJA predicted, anything I ran through it came out clean on the other end.Lots of my video with high levels in it has the jitter problem. The jitter appears on one or two frames at a time. It happens on clipped blue sky shots and anything with a lot of white in it. One frame will have the jitter and the next will be steady. Using the color corrector, taking the highlight levels down one tick from 255 to 254 gets rid of the jitter. I don’t get what’s going on here at all. I even bought a new firewire cable but that made no difference. I’ll post this on FCP and see what I get.
-TomFinal Cut Studio, FCP 5.1.2, After Effects 6.5 Pro, Quicktime 7.1.3, G5 Quad 2.5, Kona-LHe V3, 4.5GB RAM, Nvidia GeForce 7800-GT, G-RAID 2x1TB FW800.
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The crashing in finder might be fixed by not letting Finder display the preview of the file. Also changing default program to open to Quicktime. Look for answer on Apple support discussions.
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I got a call back from AJA. The engineer said that the Kona will pass video through it untouched, no matter what the level. If you feed it wildly overexposed video, it will pass it through just the same–not clipped at all or modified in any way. So, it could be that it’s inside FCP that the over-level video is getting messed up. I’m not sure how I could put this to the test. I could however test the Kona card. I’ll just run some component analog through it and compare input to output. Should be the same, no matter what the input looks like. I’ll let you know when I get time.
Final Cut Studio, FCP 5.1.2, After Effects 6.5 Pro, Quicktime 7.1.3, G5 Quad 2.5, Kona-LHe V3, 4.5GB RAM, Nvidia GeForce 7800-GT, G-RAID 2x1TB FW800.