I make this node tree using "bake sound" mainly. I hope it helps, I have been investigating the possibilities offered by this node and some possibilities of use.

The first time we need to bake a sound, with these nodes it is possible to establish the number of frequency ranges, and the values ​​that comprise them. In this case I choose 9 intervals, configured by default and bake the spectrum data. This may take several seconds

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Later, insert evaluate. If we debug this node, we can view the array data of any of the frequency intervals:

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To get all the frequency data, we will need to add a node (get list element) for each interval. In my case I used this node tree to move an icosphere around the blender space, this icosphere gets a paticle system who emits metaballs to shape this movement (and I modified the damping).

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This gray node uses it as a converter, the float controls the proportion of the movement. Later, we combine the data in a vector.

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To interact with the metaballs particle system (to add modifiers, etc etc.), we translate the mesh to another object.

To view the node tree results go to this video https://youtu.be/q1z6DxcDDIk thanks!! enjoy :)

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  • $\begingroup$ Is this supposed the be a tutorial or a question? This site is focused on questions and answers, so a tutorial should be posted elsewhere. If it is a question can you make it clear what you are actually asking? $\endgroup$ – Sazerac Mar 11 '19 at 23:02
  • $\begingroup$ tutorial, i dont know how i may post it :_( $\endgroup$ – Matias Gonzalez Jimenez Mar 11 '19 at 23:17
  • $\begingroup$ Recommend: Edit the question to make above the answer. $\endgroup$ – batFINGER Mar 12 '19 at 9:11

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