Roland Sound Canvas

The Roland Sound Canvas (Japanese: ローランド・サウンド・キャンバス, Hepburn: Rōrando Saundo Kyanbasu) lineup is a series of General MIDI (GM) based pulse-code modulation (PCM) sound modules and sound cards, primarily intended for computer music usage, created by Japanese manufacturer Roland Corporation. Some models include a serial or USB connection to a personal computer.