Synchronization system for an electronic musical instrument havi

Details Synchronization system for an electronic musical instrument havi Synchronization system for an electronic musical instrument havi

1982-06-22

1983-11-01

Isen, F. W.

Music

Instruments

84 124, 84DIG12, G10F 100

Patent

active

044124716

ABSTRACT:
An electronic musical instrument includes first and second ROM's addressable for producing respective two-bar musical patterns representing independent automatic rhythm and music style features. Both ROM's are operable in response to a common clock signal to facilitate synchronous operation thereof regardless of the order in which the two features are played. In particular, the states of a rhythm counter clocked by the clock signal are decoded for generating a first control code tracking the extent of completion of the two-bar automatic rhythm pattern, the first control code being used to initialize start-up of the music style pattern during a performance of the automatic rhythm feature to insure completion of the two musical patterns in time coincidence. Upon start-up of the automatic rhythm feature during a performance of the music style pattern, a second control code is calculated to initiate the automatic rhythm pattern to insure time coincidental completion of the two musical patterns.

REFERENCES:
patent: 4217805 (1980-08-01), Tamada
patent: 4242936 (1981-01-01), Swain
patent: 4244258 (1981-01-01), Finch
patent: 4314493 (1982-02-01), Kondo
patent: 4315451 (1982-02-01), Uchiyama et al.
patent: 4344344 (1982-08-01), Nakada et al.
patent: 4357854 (1982-11-01), Hirano
patent: 4387620 (1983-06-01), Okamoto et al.

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