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Digital Electronics for Musicians by Alexandros Drymonitis

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CHAPTER 10

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A Patch-Bay Matrix Synthesizer

In this last chapter, we’re going to build a patch-bay synthesizer, much like the analog synthesizers. We’ll simulate the interface, but instead of an audio signal, we’ll pass connection data through the patch cords. The data will be sent to the computer so that the corresponding connections can be done in the program. We’ll use external chips (we’ll call them ICs from now on, which stands for integrated circuit) to extend both the analog and the digital pins of the Arduino for more available input and output. Finally, we’re going to use oscillators, filters, and envelopes to build the various parts of ...

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