Music – Instruments – Electrical musical tone generation
Patent
1990-11-13
1992-09-01
Shoop, Jr., William M.
Music
Instruments
Electrical musical tone generation
84707, 84630, 84DIG10, 84DIG26, G10H 114
Patent
active
051440962
ABSTRACT:
A nonlinear function generation apparatus and a musical tone synthesis apparatus are disclosed.
The nonlinear function generation apparatus comprises hysteresis and nonhysteresis function generators for generating hysteresis and nonhysteresis functions using an input signal as a variable respectively, and a multiplier for synthesizing the functions outputted from the generators.
The musical tone synthesis apparatus comprises a closed loop including delay circuits, and the nonlinear function generation apparatus.
REFERENCES:
patent: 3838202 (1974-09-01), Nakada
patent: 4249447 (1981-02-01), Tomisawa
patent: 4542525 (1985-09-01), Hopf
patent: 4655115 (1987-04-01), Nishimoto
patent: 4757737 (1988-07-01), Conti
patent: 4984276 (1991-01-01), Smith
Shoop Jr. William M.
Sircus Brian
Yamaha Corporation
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