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Activity › Forums › Adobe After Effects Expressions › Audio Visualizer

  • Posted by Jakob Mehling on January 8, 2019 at 12:05 am

    I´ve created a 3D visualized ball and want to rotate it faster, when the beat hits harder.

    I dont know how you can stack up a value, in this case my x,y,z rotation.

    I´m trying with time* and so on right now, but i just can get a steady movement.

    My audio output can influence the rotation further, but this gets reset, when the output value goes down.

    Sorry for my english, i hope you can understand my issue
    Jakob

    Jakob Mehling replied 7 years, 8 months ago 3 Members · 3 Replies
  • 3 Replies
  • Dan Ebberts

    January 8, 2019 at 12:21 am

    Hard to say for sure from your description, but it sounds like you might need an integrator. It’s not trivial to set up, but this might help:

    https://www.motionscript.com/articles/speed-control.html#linear

    Dan

  • Kalleheikki Kannisto

    January 8, 2019 at 7:43 am

    Trapcode Soundkeys has an accumulating option for the output. It is essentially the same result as Dan’s frame-by-frame method, if you convert the expression output to keyframes afterwards. I would recommend converting the expression to keyframes, otherwise you’ll have to calculate the output every time you try to render the video. What I do, to keep the editable expression, is make a copy of the layer and hide it, then convert the copy, so that I can go back to the expressions if need be.

    Kalleheikki Kannisto
    Senior Graphic Designer

  • Jakob Mehling

    January 9, 2019 at 10:39 am

    Thanks Dan,

    that really helped me out ☺ My problem is solved

    Jakob

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