Bob Yannes
The ear behind the SID
Chip designer Bob Yannes created the SID 6581, giving the Commodore 64 its legendary sound palette.
As an engineer at MOS Technology, Bob Yannes designed the SID (Sound Interface Device) chip for the Commodore 64. His goal: to bring synthesizer flexibility into a home computer, complete with filters and modulation options rarely seen in consumer hardware.
Fast facts
- Background: amateur musician and electronics tinkerer before joining MOS.
- Other work: co-founded Ensoniq, producing digital synthesizers and samplers like the Mirage.
- Design ethos: disliked simplistic square-wave chips, so he built SID to sound musical, not merely functional.