Digital information processing apparatus with multiple CPUs

Details Digital information processing apparatus with multiple CPUs Digital information processing apparatus with multiple CPUs

1991-05-29

1993-04-06

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84627, 364132, 364134, G10H 1057, G10H 700

Patent

active

052005640

ABSTRACT:
A main CPU and a sub CPU take share of executing a tone generating process to generate multiple tone signals on a real-time basis without using an exclusive tone generator. The main CPU and sub CPU are formed on a one-chip LSI, thus facilitating realization of a compact electronic musical instrument. According to another structure, the main CPU executes tone generation while the sub CPU performs an effect process, thereby permitting a one-chip LSI to generate an effect-added musical tone.

REFERENCES:
patent: 4412470 (1983-11-01), Jones
patent: 4591977 (1986-05-01), Nissen et al.
patent: 4644840 (1987-02-01), Franz et al.
patent: 4956785 (1990-09-01), Kawamura et al.
patent: 5014230 (1991-07-01), Sinha et al.
patent: 5032975 (1991-07-01), Yamamoto et al.

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