Music – Instruments – Electrical musical tone generation
Patent
1994-01-04
1996-06-04
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
G10H 118
Patent
active
055235212
ABSTRACT:
An electronic musical instrument provides a keyboard, a storage device, a musical tone synthesizing circuit and at least two assigners. The keyboard provides a plurality of keys to be depressed by a player, while the musical tone synthesizing circuit contains a plurality of tone-generation channels. The storage device stores a plurality of tone-generation-task assignment methods each determining which of the keys currently depressed by the player should be selected and assigned to the tone-generation channel. Each of the tone-generation channels generates a musical tone signal corresponding to the key which is assigned thereto and is depressed by the player. Each of the assigners acts in accordance with a desired tone-generation-task assignment method to be selected. Herein, each assigner selects at least one of the keys currently depressed so as to assign a selected key to at least one of the tone-generation channels. By respectively controlling those assigners, it is possible to realize a dual performance and/or a split performance.
REFERENCES:
patent: 4672876 (1987-06-01), Sugiyama et al.
patent: 4674382 (1987-06-01), Yorihisa
patent: 4957552 (1990-09-01), Iwase
patent: 4984497 (1991-01-01), Inagaki et al.
Witkowski Stanley J.
Yamaha Corporation
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