Alpha channel view and adjust

Hello,

How can I use those filters …

alpha channel view is ok I could see the difference display options

but

alpha channel adjust I could not use … alter all options change and nothing happens to the video … no modification :-((

thanks in advance to any help

Marcos
conteudoanimal.com.br

In order to see an effect on the alpha channel, you either need to composite videos across multiple tracks (i.e. you need a background) in a somewhat clear manner, or you need to place Alpha Channel: View after the Alpha Channel: Adjust.

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