Soft pedal effect applying apparatus

Details Soft pedal effect applying apparatus Soft pedal effect applying apparatus

1989-06-22

1992-06-02

Perkey, W. B.

Music

Instruments

Electrical musical tone generation

G10H 146

Patent

active

051177285

ABSTRACT:
A soft pedal effect applying apparatus is utilized in an electronic musical instrument in order to apply a soft pedal effect to a musical tone to be generated when a soft pedal is operated, wherein this soft pedal effect is set quite similar to that of a non-electronic musical instrument such as a grand piano. Before operating the soft pedal, a generated musical tone has a reference tone volume and a reference tone color which are determined based on a touch operation intensity applied to a depressed key in a keyboard. By operating the soft pedal, a tone volume of the generated musical tone is softened due to the soft pedal effect by slightly lowering the tone volume by the predetermined tone volume attenuation value, wherein this lowered tone volume can be clearly discriminated from the reference tone volume. Such attenuation value can be arbitrarily varied in response to the tone volume level. In addition, a tone color of the generated musical tone is softened due to the soft pedal effect by giving a desirable filter characteristic to the tone color, wherein this softened tone color is different from the reference tone color. Thus, when the soft pedal is operated, the tone volume and the tone color of the generated musical tone are independently softened.

REFERENCES:
patent: 4248123 (1981-02-01), Bunger et al.
patent: 4552051 (1985-11-01), Takeuchi
patent: 4713996 (1987-12-01), Oguri
patent: 4779505 (1988-10-01), Suzuki
patent: 4909121 (1990-03-01), Usa et al.

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