Mamoworld recently released another useful tool for After Effects, this time giving music in After Effects some love with a new plugin that will allow you to set layer markers, or generate keyframes, or even stagger layers all according to the beat of your audio in After Effects.

If you treat music in your videos as first-class citizens, beat assistant is a tool for you. It automatically detects the beats per minute of your music and allows you to do lots of things with it

Beat Assistant will detect the beats per minute (BPM) of any MP3, wav, or AIF files and use the data to generate markers, keyframes or stagger layers in After Effects to the music, all with a couple of clicks. Beat Assistant is now available from AEScripts for the price of $39.99 single user license.

Here Mathias Möhl demonstrating the new Beat Assistant, showing how simple it is to use…

from the Mamoworld press release:

Did you ever work on an animation that involved something called MUSIC? Its this by-product that comes out of your speakers while the video is playing.

If you treat music in your videos as first-class citizens, beat assistant is a tool for you. It automatically detects the beats per minute of your music and allows you to do lots of things with it.

  • set layer markers according to the beat
  • generate keyframes and animate to the beat
  • stagger layers according to the beat

No expressions
You think animation to the music involves some weird expressions magic to tie your animation to audio keyframes? No, with beat assistant, you do it the mamoworld way: Animate all properties directly using intuitive interfaces.

Robust Beat Detection is achieved with the popular SoundTouch Audio Processing Library. While .wav files are supported natively, to work with .mp3 and .aif files, you need to install the separate tool LAME.