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cyzer
says

Hello, umm maybe this thread would be used more times, and i thought why not to start it. So… my question would be, how to make the audio in AE auto react? I mean normaly to make something react to audio, you need to use comand keyframe assistant and then convert audio to keyframes. But if i made a template which already has audio and there are motion which reacts to this audio(expresions), how to change audio without generating new keyframes (using keyframe assistant)?

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miseld
says
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DigitalRicky
says

Only way I know is that some plugins (Such as Trapcode Form) have the audio react feature. But other than generating keyframes, I guess manually :(

And the way I do it manually is I look at the audio wave form, and maybe create a few WAVs: One with only the bass, one with the mid levels, one with high levels, etc so you can get an easier view to the audio waves

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felt_tips
Moderator
says

You can make effects react to a non-existent Audio Amplitude layer using expressions. As long as you envelope the expression inside a

try { //expressions here } catch(e){}

then you will find that even when the original Audio Amplitude layer is deleted, that the expression gives no error.

Then in your help file, tell the user to import their audio, then use Keyframe Assistant -> Convert Audio to Keyframes. You will have to make sure that non-english users rename the layer to the default english name unless you want to write an extra 30 lines of code or so.

As soon as they do this, all the expressions will magically start reacting to the audio.

-f.

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benandaim
says

You can make effects react to a non-existent Audio Amplitude layer using expressions. As long as you envelope the expression inside a

try { //expressions here } catch(e){}

then you will find that even when the original Audio Amplitude layer is deleted, that the expression gives no error.

Then in your help file, tell the user to import their audio, then use Keyframe Assistant -> Convert Audio to Keyframes. You will have to make sure that non-english users rename the layer to the default english name unless you want to write an extra 30 lines of code or so.

As soon as they do this, all the expressions will magically start reacting to the audio.

-f.

That’s cool as Felt, cheers!

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VidnoaDesign
says

try { //expressions here } catch(e){}

nice , nice. i will use it . and pray for you ;)

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BF_Motion
Envato team
says

Trapcode Sound Keys plug-in works pretty well.

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butlerm
says

Trapcode Sound Keys plug-in works pretty well.

Yep Sound Keys is my go to plugin for stuff like this…

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cyzer
says

Yeah but the user who downloads it they have to have this pulg in, am I wrong? I know there is a way to do it without the plugins. Maybe that expresion, but I didnt try it yet.

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Mocarg
Moderator
says

There are effects called “Audio Spectrum” and “Audio Waveform” in AE. You can use them :)

-m.

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