Automatic musical accompaniment sound generating apparatus

Details Automatic musical accompaniment sound generating apparatus Automatic musical accompaniment sound generating apparatus

1989-06-27

1991-02-12

Perkey, W. B.

Music

Instruments

Electrical musical tone generation

G10H 142

Patent

active

049914871

ABSTRACT:
The present invention provides an automatic musical-accompaniment sound-generating apparatus for generating various accompaniment sounds. The original accompaniment patterns stored in the apparatus are varied according to the tempo of the accompaniment being produced. The apparatus is essentially composed of an accompaniment-pattern memory, accompaniment control memory, a tempo generator, a sound generation controller, accompaniment-sound signal generating means, and a sound system. The accompaniment-pattern memory stores data sets composed of sound data. The data sets correspond to original accompaniment patterns. The sound data correspond to musical notes and sounds composing the original accompaniment pattern. The accompaniment control memory stores control data about whether or not to generate each of the musical notes and sounds in relation with the tempo at which the accompaniment sounds are produced. The tempo generator generates tempo signals. The sound generation controller is activated by tempo signals and reads the sound data and decides whether or not to transmit the sound data according to the tempo at which the accompaniment sound is being generated. The accompaniment sound signal-generating means generates accompaniment sound signals according to the sound data transmitted by the sound generation controller. The sound system emits accompaniment sounds according to the accompaniment sound signals.

REFERENCES:
patent: 4887505 (1989-12-01), Suzuki
patent: 4936184 (1990-06-01), Yang

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