LJLM Updated With New Audio Analysis

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Mathieu

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Sep 21, 2026, 11:41:21 AMSep 21
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The same more advanced audio analysis made in Lightjams to detect the BPM, BAR and tension is now available in LJLM. 

The interesting part is that these new audio variables are available when creating a custom effect (GLSL shader). So you can really sync the effect to the tempo.

Here's an effect using these new variables along with the new feature allowing to define any number of parameters. It also shows the BPM and the BAR and beat phase.


Enjoy!
audio fire jet.frag

Mathieu

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Sep 21, 2026, 1:00:21 PMSep 21
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Playing with audio reactive effects can be so addictive :) Here's a little updated effect file, showing the idea behind having bar, bar2 and bar4. The bar is a sawtooth over 4 beats. The bar2 is over 8 beats and the bar4 is over 16 beats. Having all these allows to add different movement layers with different length to generate more variety while still being synced to the tempo. 

So you use the beat phase and bar for short repetitive movements and then you add longer movements with the bar2 and bar4 to avoid the overall effect to be too repetitive (if that's what you want!).

Audio fire jet 2.frag
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