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This book looks great.

I'm looking for some easy and beautiful way to generate audio visualization; the books' TOC doesn't seem show much.

Can someone please tell me a bit more what I may get from that chapter?

Thanks

Perhaps https://processing.org/ might be interesting to you.

Thanks for your information. I have found that [1] may be relevant to my requirements. A bit more work, let's see how far I go with that.