Method of and apparatus for electronically generating musical to

Details Method of and apparatus for electronically generating musical to Method of and apparatus for electronically generating musical to

1975-07-31

1978-08-22

Weldon, Ulysses

Music

Instruments

84 117, 84 111, 84 119, 84 126, 364410, G10H 100

Patent

active

041080360

ABSTRACT:
Electronic musical tone generating methods and apparatus such as electronic organs and music synthesizers are described. An impulse response characteristic of the tones is represented by digital signals which are stored at different locations in a digital memory device. The memory is read out repetitiously at selected rates to produce tones of selected frequency or pitch (different notes of the musical scale). The interval during which the stored impulse response is read out is varied in order to generate the tones with different timbre such that different musical instruments (the stops in the electronic organ application) may be emulated.

REFERENCES:
patent: 3325578 (1967-06-01), Park
patent: 3515792 (1970-06-01), Deutsch
patent: 3610806 (1971-10-01), Deutsch
patent: 3688010 (1972-08-01), Freeman
patent: 3787601 (1974-01-01), Campbell
patent: 3809786 (1974-05-01), Deutsch
patent: 3809788 (1974-05-01), Deutsch
patent: 3833750 (1974-09-01), Iorio
patent: 3861263 (1975-01-01), Okudaira
T. K. Tawfig, "Designing Digital Filters", Digital Design, Oct. 1973.

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