KeyLight and add noise

Hello everyone.

I was watching a video tutorial on KeyLight, and the teacher explained that, at the end of the picture, it's a good idea to check the three channels, to see if you need to add or remove noise, Add noise or using Noise TLS Auto, so your film fits your background.

Is this a good idea?

Thank you

It depends on the shooting. Generally, you want to keep your compositions as simple as possible and still sell the effect. Corresponding to a key with the background shot may involve light packing corresponding grain, color adjustment, and a bunch of other things. I had success composites using Keylight who had as little as 2 layers and some who had 10 or more. It depends on the shooting and the background. No one technique works all the time for every shot. Review of the channels is not as important as the control of shooting replaying to full scale and maximum frame rate. Many times it is possible only if you make a test rendering. You cannot judge the effects or composite shot individual images. You must watch the images, real-time playback, especially if you are trying to match grain or noise. 20 + years of After Effects help almost every week, I don't think that I never just threw in noise to try to match a shot. I've used all sorts of noises for other things, but I've never relied on just the sound to match grain or video noise.

Tags: After Effects

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