Bob Yannes
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Robert "Bob" Yannes (born 1957) is an American
Biography
Robert Yannes graduated from Villanova University in 1978. He started out as an electronic music hobbyist before being hired as a chip designer at MOS Technology which had become a part of Commodore. Al Charpentier recruited Yannes partly for his music synthesis knowledge.[1] He has been infatuated by electronic music since the early 1970s. He claims the song Lucky Man by Emerson, Lake & Palmer influenced him more than any other single song, and also lists Kraftwerk and Mike Oldfield among his influences.[2]
He designed the MicroPET with help from Al Charpentier which became an unintended prototype for the VIC-20 home computer.
He designed the single-chip sound
After he left MOS Technology he co-founded Ensoniq in 1982. The Ensoniq sound chips had multiplexed oscillators designed in such a way that it was possible to produce more voices per chip, typically 32 for Ensoniq's DOC, OTIS, and OTTO sound chips (48 for the final OTTO-48). Given less time constraints than for the SID chip design, a proper MOS op-amp could be implemented to eliminate signal leakage and an improved filter to achieve high resonance. Current[when?] designs include waveform interpolation, digital filters, and digital effects.[1]
References
- ^ a b stud1.tuwien.ac.at - Interview with Bob Yannes, 1996-08-30
- ISBN 0-9738649-0-7.