Music signal conversion apparatus

Details Music signal conversion apparatus Music signal conversion apparatus

1975-11-10

1977-01-18

Hix, L. T.

Music

Instruments

84 101, G10H 104

Patent

active

040032850

ABSTRACT:
Apparatus for converting the relatively rapid rise time, relatively long fall time tone envelopes of a music source output to envelopes having relatively long rise time and relatively rapid fall time includes a sawtooth relaxation oscillator whose output feeds a modulator which is also fed by the music source. The oscillator is turned on via a transistor switch when the average power of the signal at the output of the modulator exceeds a predetermined reference threshold signal.

REFERENCES:
patent: 3535431 (1970-10-01), Szabo
patent: 3629484 (1971-12-01), Suzuki
patent: 3762265 (1973-10-01), Adachi
Experimenting with Electronic Music by Robert Brown & Mark Olson, pp. 95-100.

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