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Activity Forums Adobe After Effects Conform light streaks to audio waveform

  • Conform light streaks to audio waveform

    Posted by Tim_cqr on December 16, 2006 at 10:23 pm

    Hi,

    I was working on the Light Streaks tutorial by Andrew Kramer.
    Now, wanted to extend it a little. What I was trying to create was an animation where there’s a streak of light going into the screen and its shape conforms (not very precisely) to an audio waveform for a background score.

    So could any one help me out with that?

    Regards
    Tim

    Mike Clasby replied 19 years, 5 months ago 2 Members · 1 Reply
  • 1 Reply
  • Mike Clasby

    December 18, 2006 at 7:00 am

    Use comp as a particle with Audio Spectrum (Polar Path), instead of making your own particle out of masks (like in the tut), I’d make a particle by:

    First add your audio layer to the timeline.

    Second, New Black Solid (comp size), then Effect>Render>Audio Spectrum, Audio Layer: Your Audio, click “Use Polar Path” (fourth parameter down, then change the max height and thickness to taste.

    Now adjusting the Particle>Custom>Time Sampling will determine how your streaks look, wether the whole length of the line will change every frame (Current Time), or wether it will change progressively, the past streaks stay, changing as it advances (Split Clip- Play Once).

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