spectrograms are fascinating: the ability to visualise sound in terms of its constituent frequencies. I’ve been playing with Overtone lately, so decided to create a mini-library to produce spectrograms from Overtone buffers.
Here’s a sample output:
This particular image is a visualisation of part of a trumpet fanfare. I like it because you can clearly see the punctuation of the different notes, and the range of strong harmonics above the base note. Read on for some more details on how this works.
Creative Clojure 