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I'm wanting to use an audio file (specifically its values of pitch, tone, volume, etc.) to generate a line drawing. I'm not looking to make a music visualizer. I've looked at and modified a few sketches I've found but nothing is what I really want. So, I figured I should do it myself.
I'm wanting an output like this image, which is one I've made using a modified sketch.
Where should / do I begin?