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Activity Forums Adobe After Effects Expressions music visualizer without keyframes

  • music visualizer without keyframes

    Posted by Ali Brakat on May 1, 2017 at 8:28 pm

    is there any way that i can make a visualizer to react to a music track without generating key-frames
    i want to be able to add my audio in a composition and each time i replace the music the reaction relates to the new music track
    is there a script that can achieve that?
    thank you so much for sharing your knowledge

    Dan Ebberts replied 9 years ago 2 Members · 6 Replies
  • 6 Replies
  • Dan Ebberts

    May 1, 2017 at 9:02 pm

    It depends on what you’re trying to do exactly. This might be helpful:

    https://motionscript.com/design-guide/audio-trigger.html

    Dan

  • Dan Ebberts

    May 1, 2017 at 9:03 pm

    Oops, sorry. That does require converting to keyframes.

    Dan

  • Ali Brakat

    May 1, 2017 at 9:28 pm

    thank you Dan, you’re very special and I’ve learned a lot from you so thank you very much again

    so there is no way to relate any thing to an audio file or get any values from it directly without converting it to key-frames
    if not is there any way to automate the process of replacing the audio file and generating the key-frame layer and replace the old one so if i use replace footage for the audio file with a new one it would change the audio amplitude layer to be generated from the new audio ?????

  • Dan Ebberts

    May 1, 2017 at 9:46 pm

    From a script, you could issue the menu command to convert audio to keyframes. So if you’re OK with having to run a script when you replace the audio, it could be done.

    Dan

  • Ali Brakat

    May 1, 2017 at 9:52 pm

    is there any guide out there for how to do that ?

  • Dan Ebberts

    May 1, 2017 at 10:18 pm

    There are some script writing tutorials out there, but I don’t know if that’s covered specifically.

    Dan

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