firebrandboy

Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.

Aphex Twin’s Avril 14th from a YM2151 chip

The YM2151, aka OPM (FM Operator Type-M) is an eight-channel four-operator sound chip. It was Yamaha’s first single-chip FM synthesis implementation, created originally for the Yamaha DX series of keyboards.

A Tuesday night learning FM Synthesis and the workings of the YM2151 chip.