Reply to Question about Broadcast Video Luma Keyer???

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Posted by Jeff_BTFP on 01/11/59 11:50

I do concert video (projection/to tape), and had a question regarding
an effect I saw on TV last night, and what it's benefits are.

The show used a lot of moving lights, and I noticed in certain
situations when the moving light was pointed directly at the camera, a
black spot would appear in the middle of the light source (lamp). I
interpret this as some kind of a Luma Key.

What are the benefits of using this? Is this just some piece of
hardware the network puts in place to make sure that the video is
broadcast safe??

As you can tell, I know very little about TV Broadcast....If you could
help me out or point me to a website that goes more in depth, I'd
appreciate it greatly.

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