14 The Modulation Matrix
Chapter 6 detailed the various types of modulations and calculations, then each of the synth modules implemented an update function that used one or more of the modulations and corresponding calculations. These synth modules are modulation destinations because they change their internal parameters when modulation values are applied. The LFO and EG modules are modulation sources because their outputs are applied to the modulation destinations. For FM synthesis, pitched oscillators are used as both modulation sources and modulation destinations; this is possible for other modules as well, as it is with the LFOs that can modulate each other’s oscillator frequency. The modulation matrix is used to connect sources and ...
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