Audio fade with expressions

OK, I took an expression to the opacity of automactically discoloration (which worked perfectly) and I tried to change it to fade audio in the same way.  Now, I get an error that says: "after effects WARNING: off Expression.» Error on line 0 of property... the result of the expression must be of dimension 2 not 1. »

Here is the twisted expression:

fadeTime = 30;

audio.audioLevelsMin = - 50;

audio.audioLevelsMax = 0;

layerDuration = outPoint - inPoint;

End = thisComp.frameDuration;

animateIn = linear (duration, inPoint (inPoint + framesToTime (fadeTime)), audio.audioLevelsMin, audio.audioLevelsMax);

animateOut = linear (time, (outPoint - framesToTime (fadeTime + 1)), (outPoint-see), audio.audioLevelsMax, audio.audioLevelsMin);

If (time < (layerDuration/2 + inPoint)) {}

animateIn;

} else {}

animateOut;

}

Now, the opacity is linear, 1 dimensional feature.  Why this work and the expression for audio update caused an error?

Try this way:

fadeTime = 30;

audio.audioLevelsMin = - 50;

audio.audioLevelsMax = 0;

layerDuration = outPoint - inPoint;

End = thisComp.frameDuration;

animateIn = linear (duration, inPoint (inPoint + framesToTime (fadeTime)), audio.audioLevelsMin, audio.audioLevelsMax);

animateOut = linear (time, (outPoint - framesToTime (fadeTime + 1)), (outPoint-see), audio.audioLevelsMax, audio.audioLevelsMin);

If (time<>

[animateIn, animateIn];

} else {}

[animateOut, animateOut];

}

Dan

Tags: After Effects

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