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Trapcode sound keys - equalizer bar

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Bas v Breugel
Trapcode sound keys - equalizer bar
on Apr 26, 2014 at 1:54:09 pm

Hi guys,

I got the idea to use trapcoude sound keys for an logo animation.
The letters of the logo are transparent and behind them I wish to make equalizer bars that respond to a mp3/wav.

This is the idea :

Any suggestion how this could be made?

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Michael Szalapski
Re: Trapcode sound keys - equalizer bar
on Apr 28, 2014 at 3:56:21 pm

You could use the built-in Generate>Audio Spectrum or Generate>Audio Waveform effects and skip Sound Keys entirely.

- The Great Szalam
(The 'Great' stands for 'Not So Great, in fact, Extremely Humble')

No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

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Bas v Breugel
Re: Trapcode sound keys - equalizer bar
on Apr 29, 2014 at 7:38:10 am

Thanks Michael, that I didn't think about.

The equaliser bar, I made as following, make a solid about 50 pixels width and 300 pixels high.
Drag the anchor point to the bottum of the bar, and then pickwhip the scale to the output of your sound keys layer. Then copy paste this

temp = thisComp.layer("soundkeys").effect("Sound Keys")("Output 1");
[value[0], temp, value[0]]

over the expression code.

As a bonus I've made a copy of the solid, deleted all the expressions so the solid without animation, added a gradient layers style (red-orange-green) and used that as a mask for the animated sound bar below it.

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