Electronic musical instrument providing automatic ensemble perfo

Details Electronic musical instrument providing automatic ensemble perfo Electronic musical instrument providing automatic ensemble perfo

1982-06-22

1984-02-07

Witkowski, S. J.

Music

Instruments

84 124, 84DIG4, 84DIG22, G10H 102, G10H 138

Patent

active

044296061

ABSTRACT:
A duet interval data memory includes tables each of which corresponds to a particular chord type and prestores a plurality of duet interval data. One of the tables is selected in accordance with the type of a chord being played in a lower keyboard. A note interval between a root note of this chord and a melody note being played in an upper keyboard constitutes a relative note. The duet interval data is read from the selected table in response to this relative note. A calculator alters the melody note by a note interval corresponding to the read out duet interval data thereby producing data representative of a duet note. The tone of this duet note is sounded with the tone of the melody note whereby an automatic ensemble performance is realized.

REFERENCES:
patent: 3884108 (1975-05-01), Deutsch
patent: 4112803 (1978-09-01), Deutsch
patent: 4205580 (1980-06-01), Deutsch
patent: 4294155 (1981-10-01), Turner
patent: 4311076 (1982-01-01), Rucktenwald et al.
patent: 4342248 (1982-08-01), Deutsch et al.

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