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Programming Sound with Pure Data by Tony Hillerson

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Chapter 4Creating Effects: Real-World Sounds

It’s time to have some fun. In this chapter we’ll start to apply what we know about Pd and use the tools we’ve built to create some sound effects. The sounds are relatively simple to create, but are surprisingly realistic for the amount of work it takes to create them.

We’ll start with the simplest patch, simulating waves with white noise, a filter, and a low-frequency oscillator (LFO). Then we’ll build up a bit with a patch simulating wind with noise in both the signal and control domains, and an envelope for more control. Finally, we’ll do our first more technical sound analysis by looking at a recording of a wineglass being tapped, and then reproducing the sound it makes.

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