RGB layers

Autodesk smoke tips & tricks - RGB layers

This is an old trick that i used in my old quantel editbox,


Here's the original image, now put it in the media three times with 'matte off' of a full white as matte (3 medias). And put the 3 medias in the composite. Go into the cc,
Media1 Gain G100, B&R 0
Media2 Gain B100, G&R 0
Media3 Gain R100, G&B 0
Set the 3 layers blend mode to 'Simple ADD'. The picture now should look the same as the original, nothing special.

Now, go to each layer and move the position a bit, you will get this old TV gun miss-alignment look. Animate it from original to offset, then back to original.
You can also blur the individual layer with different values to create old film look or soft look, or color spread out.

With individual channel separated at their own layer, you have more option to play around.