Electronic musical instrument with key scaling using multiple se

Details Electronic musical instrument with key scaling using multiple se Electronic musical instrument with key scaling using multiple se

1988-05-31

1989-08-08

Witkowski, Stanley J.

Music

Instruments

84 126, 84478, G10H 1057, G10H 700

Patent

active

048542091

ABSTRACT:
A key scaling apparatus includes a reference data input device which is operated by a user of an electronic musical instrument to designate at least three different key numbers together with respective key scaling data for those key numbers. When a key number is supplied from a play input device such as a keyboard in the electronic musical instrument, an interpolator computes key scaling data for that key number from the data designated by the reference data input device. The computed key scaling data serve to control a tone parameter such as an envelope level which is then used in a tone generator to develop a tone for that key number. Accordingly, a satisfactory key scaling response is obtained over the entire pitch range of keyboard.

REFERENCES:
patent: 4633749 (1987-01-01), Fujimori et al.
patent: 4703680 (1987-11-01), Wachi et al.
patent: 4779505 (1988-10-01), Suzuki

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