Music – Instruments – Electrical musical tone generation
Patent
1990-11-19
1993-10-12
Shoop, Jr., William M.
Music
Instruments
Electrical musical tone generation
84661, 84DIG9, 84DIG10, 84DIG26, G10H 502
Patent
active
052527760
ABSTRACT:
A musical tone generating apparatus comprises an excitation signal generator, a signal processing device and loop gain controller. The signal processing device is electrically connected in a closed feedback loop with the excitation signal generator, via a delay unit. The loop gain controller controls gain of said closed feedback loop according to a lapse of time.
REFERENCES:
patent: 4099135 (1978-07-01), Laupman
patent: 4907484 (1990-03-01), Suzuki et al.
patent: 4984276 (1991-01-01), Smith
Shoop Jr. William M.
Sircus Brian
Yamaha Corporation
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