Automatic musical performance apparatus having separate level da

Details Automatic musical performance apparatus having separate level da Automatic musical performance apparatus having separate level da

1989-01-19

1990-06-05

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84622, 84633, 84DIG12, G10H 106, G10H 142, G10H 146, G10H 700

Patent

active

049303902

ABSTRACT:
An automatic musical performance apparatus comprising two groups of tracks: one for storing pattern data of musical performance, the other for storing level data that modify the volume of tones produced on the basis of the pattern data, so that tone volume of each track can be altered while listening to the tone being reproduced. Tone volume varies depending on volume control and key-velocity. One of these can be selected to be modified by the level data, thus causing different effect on tone volume control. There are three kinds of level data: track, group, and total. Track level data modify each track data in the pattern data, each set of group level data modifies track data belonging to the same group, and the total level data uniformly modifies all track data. Using group level data facilitates the setting of level data. The pattern data can include a number track data having different loop length and rhythm style, thus enabling the automatic performance of polyrhythm style. The apparatus has a Next function whereby the tone colors of one or all tracks are changed immediately at a touch, or songs are consecutively played.

REFERENCES:
patent: 3955459 (1976-05-01), Mochida et al.
patent: 4046049 (1977-09-01), Luce et al.
patent: 4305319 (1981-12-01), Linn
patent: 4469000 (1984-09-01), Fujiwara et al.
patent: 4694724 (1987-09-01), Kikumoto et al.
patent: 4742748 (1988-05-01), Tateishi

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