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How can I make a layer more transparent on beat using sound keys?

Explorer ,
Aug 31, 2020 Aug 31, 2020

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Dear Community

I am working on a Visualizer on After Effects and I wanted to know if there is any way I can make a layer more transparent on beat... 

Example before:

therealgamertrgonyt_0-1598897070294.png

 

Example after:

therealgamertrgonyt_1-1598897088292.png

(well nothing, 0.)

 

I am working with Trapcode Sound Keys and my Output Min/Max is set to 0...100, so this shouldn't be the problem, right?

 

Thanks in advance

 

TRG

 

Edit: I also posted this on the CreativeCow Forum for After Effects, link is here:
https://forums.creativecow.net/thread/2/1145002

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Expressions , How to

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correct answers 1 Correct answer

Explorer , Sep 01, 2020 Sep 01, 2020

Dear Community

I gladly got the solution on the CreativeCow forum!

Here is the Answer Post:

 

Then I would use an ease expression on the opacity of the layer you want to turn on and off.

myBeat = PICKWHIP TO SOUNDKEYS BEAT;
ease(myBeat, myBeatMinimum, myBeatMax, 100, 0)

The myBeatMinimum will be the lowest amplitude(volume) where you want the opacity to be 100%. Set myBeatMax to a volume where the beat hits and you want to the layer to turn off

 

So basically the Expression looks like this now:

myBeat = c
...

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Community Expert ,
Aug 31, 2020 Aug 31, 2020

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Did you have Sound Keys generate keyframes? Cropped screenshots don't tell us anything about your workflow. Select the sound keys layer, Ctrl/Cmnd select the Logo layer, press UU to show us all modified properties, then post a full screenshot. This is almost certainly user error.

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Explorer ,
Aug 31, 2020 Aug 31, 2020

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First of all, thanks for your quick reply!

I'm sorry for not providing the needed information, here is the Screenshot you wished

therealgamertrgonyt_0-1598900251998.png

I have to say that am german so everything is in german and also the soundkeys layer is normally in a different composition, I only put it into the same one because it was easier to screenshot.

I hope this is not a problem for you...

 

Greetings

 

TRG

 

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Explorer ,
Sep 01, 2020 Sep 01, 2020

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Dear Community

I gladly got the solution on the CreativeCow forum!

Here is the Answer Post:

 

Then I would use an ease expression on the opacity of the layer you want to turn on and off.

myBeat = PICKWHIP TO SOUNDKEYS BEAT;
ease(myBeat, myBeatMinimum, myBeatMax, 100, 0)

The myBeatMinimum will be the lowest amplitude(volume) where you want the opacity to be 100%. Set myBeatMax to a volume where the beat hits and you want to the layer to turn off

 

So basically the Expression looks like this now:

myBeat = comp("RENDER THIS (WITH INTRO)").layer("Sound Keys").effect("Sound Keys")("Output 1");
myBeatMinimum = 0;
myBeatMax = 22;
ease(myBeat, myBeatMinimum, myBeatMax, 100, 0)

 

Greetings

 

TRG

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