Sound synthesizing circuit

Details Sound synthesizing circuit Sound synthesizing circuit

1987-07-24

1989-02-21

Isen, Forester W.

Music

Instruments

84DIG11, G10H 100

Patent

active

048055085

ABSTRACT:
A sound synthesizing circuit has means for synthesizing sound digital data in a pitch period of a sound to be synthesized and means for producing a sound analog signal according to the synthesized sound digital data. The synthesized sound digital data are sequentially transferred to the producing means according to a sequential sampling pulse. The sequential sampling pulse has a predetermined interval and a corrected interval different from the predetermined interval in one pitch period of a sound to be synthesized. Thus, a sound of good quality with an arbitrary interval can be synthesized in a wide scale by a simple hardware integrated circuit in a small semiconductor chip.

REFERENCES:
patent: 4011516 (1977-03-01), Heimbigner et al.
patent: 4183275 (1980-01-01), Mimi et al.
patent: 4223582 (1980-09-01), Kato et al.
patent: 4442748 (1984-04-01), Kaneko et al.
Chamberlin, Musical Applications of Microprocessors, 1980, pp. 547-553.

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