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how to fix auto white balance cycling
I shot video of a projector displaying a 3D app. with my HVX, but I accidentally had it set to auto white balance. So the UI of the app. keeps cycling between warm and cool every few seconds. The video was shot on stix. Is there a way to automatically detect the color temperature shift in FCP or Shake and have it stabilized/normalized for the whole video without having to set color correction keyframes by hand?
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5 Replies
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You can try keyframing a color correction filter with one keyframe at the one end of the spectrum and another at the other end, and just pray to God that everything in between happens to ramp up or ramp down perfectly. But, thats not likely to be much better than the auto white balance did going in the other direction.
DRW
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It’s never a good idea to shoot shome thing that is projected usualy because of focus, I would ask for screen shots or screen records from them
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Not that I’m aware of Saddler. You are going to have to do it by eye or reshoot. To add a story to something like this, I had a tape once that was shot by a “professional” staging company and the video director (who was calling the live multi-camera switch) didn’t notice that the main camera was set to auto iris. Once somebody moved even a little in the frames, the iris would open and close and dance all over. it was a nightmare and not reshootable. Needless to say the staging company paid for the fix (which was taken to a place to cc it frame by frame). After they got done fixing it, the staging company lost money on the gig. So, my advice is to reshoot (on your dime) or cc it yourself, or send it out to cc. It’s going to be tough. Our fixed tape looked okay, but it was still not quite right.
Jeremy
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After Effects has a simple filter that will maintain color integrity. Sorry, I’m not at my Ae machine, can’t recall the name of the filter… umm, Color Stabilizer, I think. If you know someone with AE, send them a clip and ask them to try to stabilize the whites. It’s easy and fast but not foolproof.
bogiesan
This is my standard sigfile so do not take it personally: “For crying out loud, read the freakin’ manual.”
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I still sajest talkiing to the person who did the demonstration and get screen records from the computer (not recording the computer with a camera but using a program that records the action on the screen and makes a video file of it) THE END RESULT WILL LOOK MUCH MORE PROFESSIONAL.
Ask your client if they are fine with ehe crapy looking video then use it if they want something better explain they need to pay a little more for you to get better assets to work with.
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