Communigate Pro AE-List@media-motion.tv Message 63919

Ae's Umult - Alpha from Lightness (Unmult) preset) unfortunately is not optimal since it has a discoloring result. it does not preserve the RGB information in it's entirety. I have seen not any way in Ae to unmult natively without this discoloring effect. a simple test is taking a black solid, adding a lens flare effect, then trying to unmult.

another free option exists in the VC Color Vibrance plugin which is free by video copilot:

https://www.videocopilot.net/blog/2016/02/color-vibrance-update-v1-06/

simply change the color to 0 to have no effect in color, and change "matte alpha" to "on"

On Tue, Apr 10, 2018 at 1:47 AM, Stephen van Vuuren <AE-List@media-motion.tv> wrote:

And if you want to mess around with more creative kind of options, Brian Moffit eons ago suggested a Shift Channels (Take Alpha from Luminance) and muck about the a levels effect to boost/lower alpha to taste.

-----Original Message-----
From: After Effects Mail List <AE-List@media-motion.tv>
Sent: Monday, April 9, 2018 6:04 PM
To: After Effects Mail List <AE-List@media-motion.tv>
Subject: Re: [AE] Unmult?

It’s not THAT cumbersome to do with standard AE tools… first you use the channel combiner, set the first option to Max RGB and the second to Lightness. Then use the “remove colour matting” plugin. The combination of those two effects is the same as unmult.

> On 9 Apr 2018, at 11:43 pm, Byron Nash <AE-List@media-motion.tv> wrote:
>
> Looks like Red Giant put their unmult effect into legacy status and they have one in Universe now? What's the current pulse on which unmult effect to use? Is there another option these days?

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