Music – Instruments – Electrical musical tone generation
Patent
1990-05-31
1992-09-08
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84DIG7, G10H 118
Patent
active
051448769
ABSTRACT:
An electronic musical instrument includes a key-on information generation circuit for generating key-on information indicating depression of one of keys, an after-touch information generation circuit for generating after-touch information representing the state of a key operation subsequent to an initial touch on the key, a tone generator for generating a tone signal corresponding to the depressed key in response to the key-information, and a tone generation control circuit for controlling the tone generator so that a tone signal based on the depressed key is regenerated in response to the after-touch information. In one aspect of the invention, the tone generation control circuit includes a comparator for comparing the after-touch information with a predetermined value and controls the tone generator in accordance with a result of comparison by the comparator. A special effect such as trill can be imparted to a tone by regenerating it in response to the after-touch information.
REFERENCES:
patent: 4195545 (1980-04-01), Nishimoto
patent: 4528885 (1985-07-01), Chihana
patent: 4979423 (1990-12-01), Watanabe
Witkowski Stanley J.
Yamaha Corporation
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