"Where did all the knobs and sliders go?" It's no wonder that Yamaha's DX7 (and little brother DX9) caused such an upset when they were released in 1983. Gone were all the familiar controls, being ...

Frequency Modulation (or FM) synthesis is a simple and powerful method for creating and controlling complex spectra, introduced by John Chowning of Stanford University around 1973. In its simplest ...