Expression of need! Any help appreciated. Use audio converted to keyframes

Hi all

I hope that this isn't really a complicated problem. I regularly use after effects, but the substance of the expression he has baffled me. I can convert audio to keyframes with a number. What I want to achieve is - I have a talking head with the mouth bottom part cut on a sperate layer. I would like to that layer of mouth up and down driven by the audio. I can take the whip for the audio without problem but then I have to make sure it only one of the position values and also to "refine" the effects how the audio effects this value.

Help, please!

Thank you!!

I'm not sure of what you are doing with the slider, but I think that's all you need for the mouth:

AUD = thisComp.layer("Audio_Amplitude").effect ("the two Channels")("Slider);

y = linear(aud,0,36,1492,1547);

[1001.5, y]

If you have already placed at [1001.5,1492] mouth, you can simply do:

AUD = thisComp.layer("Audio_Amplitude").effect ("the two Channels")("Slider);

y = linear(aud,0,36,0,55);

value + [y 0,]

Dan

Tags: After Effects

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