Automatic performance device

Details Automatic performance device Automatic performance device

1980-06-20

1981-12-29

Witkowski, S. J.

Music

Instruments

84DIG12, 84DIG22, G10H 126, G10H 142

Patent

active

043076440

ABSTRACT:
An electronic musical instrument is of a type in which chord constituent tones are automatically produced at timings determined by the rhythm to be played and according to random selection of notes. A rhythm pattern pulse generator generates a rhythm pattern pulse representing the timings of tones to be sounded according to the selection of the rhythm. A constituent degree data generator generates, at the timings of the rhythm pattern pulse, degree data signals representing degrees of chord constituent notes, wherein the degrees are aligned in a random order. Tones are produced of the notes designated by the degrees and the root note of the chord. Thus an automatic performance is realized with the notes constituting a chord but appearing in a random order.

REFERENCES:
patent: 3624263 (1971-11-01), Uchiyama
patent: 4080862 (1978-03-01), Hiyoshi et al.
patent: 4158978 (1979-06-01), Hiyoshi et al.
patent: 4163407 (1979-08-01), Solender
patent: 4184401 (1980-01-01), Hiyoshi et al.
patent: 4208938 (1980-06-01), Kondo
patent: 4217804 (1980-08-01), Yamaga et al.
patent: 4228712 (1980-10-01), Uchiyama et al.
patent: 4232581 (1980-11-01), Uchiyama
patent: 4248119 (1981-02-01), Yamada
patent: 4263829 (1981-04-01), Kaneko et al.
patent: 4267762 (1981-05-01), Aoki et al.

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