Electronic musical instruments having automatic ensemble functio

Details Electronic musical instruments having automatic ensemble functio Electronic musical instruments having automatic ensemble functio

1983-02-25

1985-02-19

Isen, Forester W.

Music

Instruments

84 124, G10F 100

Patent

active

044998082

ABSTRACT:
One or a plurality of tones having a predetermined interval relation in terms of degrees with reference to tones produced by depressed keys of a keyboard are automatically selected from among diatonic scale tones of a performed tonality and the selected tones are produced as musical tones concurrently with the depressed key tones. To this end there are provided a tonality designator for producing an information representing the performed tonality, a duet note data forming circuit for forming pitch data of an ensemble note to be automatically produced necessary to realize a duet performance effect based the designated tonality and the depressed key tone, and a duet musical tone signal generator for producing a duet musical tone signal in accordance with the pitch data thus formed.

REFERENCES:
patent: 4120225 (1978-10-01), Dietrich et al.
patent: 4205576 (1980-06-01), Deutsch et al.
patent: 4282788 (1981-08-01), Yamaga et al.
patent: 4292874 (1981-10-01), Jones et al.
patent: 4312257 (1982-01-01), Kato et al.

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