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Invisible and relentless, sound is seemingly just there, traveling through our surroundings to carry beautiful music or annoying noises. In this article I’ll explain what sound is, how it’s created and propagated.

This post is an abridged adaptation of Simon Peyton Jones’ and David R. Lester’s book, “Implementing Functional Languages: a tutorial.”, itself a refinement of SPJ’s previous work, 1987’s “The Implementation of Functional Programming Languages”.

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