The Yamaha DX7 is a synthesizer introduced by Yamaha Corporation in 1983. It was the first successful digital synthesizer and is one of the best-selling synthesizers in history, selling more than 200,
John Chowning, who developed the frequency modulation technology used in the DX7
The settings buttons include controls for effects such as portamento.
Frequency modulation synthesis is a form of sound synthesis whereby the frequency of a waveform is changed by modulating its frequency with a modulator. The frequency of an oscillator is altered in ac