Vocal effect for musical instrument

Details Vocal effect for musical instrument Vocal effect for musical instrument

1980-12-23

1983-02-22

Truhe, J. V.

Music

Instruments

84 124, 84DIG9, 84 101, G10H 102

Patent

active

043744826

ABSTRACT:
Apparatus for producing a chorale or vocal effect in an electronic musical instrument comprises means responsive to the playing keys of the instrument for producing an indexing signal and means responsive to the indexing signal for sequentially developing a plurality of control signals. A programmable filter is responsive to each sequentially developed control signal for modifying the harmonic content of a tone signal to simulate a different vowel-like sound for producing a vocal effect consisting of a sequence of different vowel-like sounds as the keys are played. The modified tone signal may be coupled through a chorus generator to simulate a chorale effect and the programmed characteristics of the filter may be modulated to further animate the performance as well as being made responsive to a glide signal for producing two different vowel-like sounds in succession at two different pitches in response to a glissando or portamento command.

REFERENCES:
patent: 3956960 (1976-05-01), Deutsch
patent: 4010667 (1977-03-01), Kniepkamp
patent: 4079653 (1978-03-01), Finch
patent: 4080861 (1978-03-01), Wholahan
patent: 4158751 (1979-06-01), Bode
patent: 4187397 (1980-02-01), Modena et al.
patent: 4192210 (1980-03-01), Deutsch
patent: 4211138 (1980-07-01), Deutsche
patent: 4236434 (1980-12-01), Nishibe
patent: 4300435 (1981-11-01), Schmoll

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