Touch responsive musical tone generator

Details Touch responsive musical tone generator Touch responsive musical tone generator

1986-01-06

1987-07-14

Witkowski, Stanley J.

Music

Instruments

84 126, 84 127, G10H 1057, G10H 146, G10H 700

Patent

active

046794786

ABSTRACT:
A keyboard operated musical instrument is disclosed in which the musical tones are generated by reading out a sequence of data values stored in memories. A first memory stores the musical waveshape for the attack and decay phases of the musical tone. One of a plurality of memories, each storing a period of a different waveshape, are selected by means of a touch response signal generated by the manner with which a keyswitch is actuated. At the end of the decay phase the waveshape selected by the touch response signal is read out sequentially and repetitively and is substituted for the data stored in the first memory. A means is provided to minimize the transient created in the transition between data read out of the first memory and the selected second memory. Provision is also made for a touch response loudness effect.

REFERENCES:
patent: 4119006 (1978-10-01), Whitefield
patent: 4333377 (1982-06-01), Niezgoda et al.
patent: 4440056 (1984-04-01), Kozuki et al.
patent: 4444082 (1984-04-01), Whitefield
patent: 4493237 (1985-01-01), DeLong et al.
patent: 4502361 (1985-03-01), Viitanen et al.
patent: 4520708 (1985-06-01), Wachi
patent: 4535669 (1985-08-01), Kaneko
patent: 4558624 (1985-12-01), Tomisawa et al.

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