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Animating text to voice over

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Ben Zion
Animating text to voice over
on Apr 12, 2016 at 5:05:57 pm

I have been trying to animate A LOT of text to voice over (with the range selector) and manual key framing is taking far to long. I did build an expression with a coder friend of mine it's not 100% and is a little jumpy at times. here is the expression

audioLev = thisComp.layer("Audio Amplitude").effect("Both Channels")("Slider");
t = 0;
s = 0;
c = 0;
while (t < thisComp.duration){
s += audioLev.valueAtTime(t);
if (t <= time) c += audioLev.valueAtTime(t);
t += thisComp.frameDuration;

start = linear(c,0,s,0,100);

I tried to convert the expression to keyframes but it is greyed out. Can anyone out there offer up any advice?

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