Volume control apparatus for an automatic player piano

Details Volume control apparatus for an automatic player piano Volume control apparatus for an automatic player piano

1992-10-08

1994-09-06

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84 21, 84462, G10F 102, G10G 304, G10H 146

Patent

active

053450361

ABSTRACT:
An apparatus for automatic playing of a piano has storage register for storing play information, which includes key depression force information, and that sequentially reads the play information from the storage register and that uses included key depression force to activate operation terminals. The apparatus comprises: volume designating circuitry for designating volume; a volumn control information generator for generating volume control information in agreement with a volume designated by the volume designating circuitry; a calculator for performing a specified arithmetic operation involving the key depression force information and the volume control information, which is generated by the volume control information generator, to obtain new key depression information; and a controller for driving the operation terminals based on the new key depression force information that is provided by the calculator.

REFERENCES:
patent: 5063820 (1991-11-01), Yamada
patent: 5138926 (1992-08-01), Stier et al.

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