Automatic accompaniment apparatus realizing automatic accompanim

Details Automatic accompaniment apparatus realizing automatic accompanim Automatic accompaniment apparatus realizing automatic accompanim

1987-09-28

1989-12-19

Grimley, A. T.

Music

Instruments

Electrical musical tone generation

84DIG12, G10F 100, G10H 100

Patent

active

048875040

ABSTRACT:
For use in or with an electronic musical instrument, an automatic accompaniment apparatus has a keyboard, a chord detector detecting a chord played on the keyboard, a judging circuit judging chord establishment of the detector chord, and a chord accompaniment tone generator producing, in accordance with an automatic rhythm pattern, chord tones for the detected chord when chord establishment is judged. This apparatus further comprises a tone generator for producing the tones of arbitrarily depressed keys when chord establishment is not judged. Thus, automatic accompaniment and manual performance are automatically selected according to the state of key depressions.

REFERENCES:
patent: 4144788 (1979-03-01), Bione et al.
patent: 4216692 (1980-08-01), Okuyama et al.
patent: 4300430 (1981-11-01), Bione et al.
patent: 4399731 (1983-08-01), Aoki
patent: 4708046 (1987-11-01), Kozuki

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