Where soft synths really start to come into their own is not so much by what each part of the synth does, but how they can interact with one another. LFOs, or low-frequency oscillators, can ‘modulate’ ...
/ c ± n.m / for n = 0, 1, 2, 3, .... where n is the sideband pair number In this expression, the + indicates the upper sidebands, and the - indicates lower ones ...