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Activity Forums Apple Motion amplitude of the audio on motion

  • amplitude of the audio on motion

    Posted by Vjonuno on November 7, 2006 at 2:53 pm

    Hello all,

    is it possible to animate a parameter based on the amplitude of the audio on apple motion
    thanx in advance.
    vjonuno

    Peter Wiggins replied 19 years, 10 months ago 3 Members · 2 Replies
  • 2 Replies
  • Adolfo Rozenfeld

    November 7, 2006 at 7:19 pm

    Unfortunately, Motion doesn’t currently have expressions or any other form of parameter linking. That is needed to do what you want. BUT… specialcase wrote an utility which converts After Effects position keyframe data to Motion position property. You could use After Effects’ Convert Audio to keyframes assitant, copy the resulting keyframes to the position property, and then use specialcase’s tool (you will have to copy and paste the position keyframes to the property you want).

    To download it:
    https://www.motionsmarts.com/downloads.html

    Adolfo Rozenfeld
    Buenos Aires – Argentina
    https://www.adolforozenfeld.com
    adolfo(AT)adolforozenfeld.com

  • Peter Wiggins

    November 7, 2006 at 10:40 pm

    Well there is some good news…

    You can write a plugin using FXFactory & Quartz composer that will take audio amplitude or even frequency and modulate a parameter.
    Take a look at the cube I have on my homepage
    https://www.peterwiggins.com/
    Does exactly that, you can open the thing up in quicktime player etc.

    here is the bad news – although it will play in motion, when you render the timeline doesn’t move so there is no sound, so it doesn’t move.

    sigh! almost there!

    Peter

    Free Motion Templates

    peterwiggins.com

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