Filtering apparatus for an electronic musical instrument

Details Filtering apparatus for an electronic musical instrument Filtering apparatus for an electronic musical instrument

1995-04-11

1997-05-20

Sircus, Brian

Music

Instruments

Electrical musical tone generation

84DIG9, G10H 102

Patent

active

056314345

ABSTRACT:
A filtering apparatus for an electronic musical instrument includes at least a digital filter. The digital filter has a frequency characteristic determined by a filtering parameter and performs a filtering operation on a musical tone signal inputted thereto. In addition, the filtering parameter is changed in accordance with a keycode signal representing a tone pitch of the musical tone signal. Thus, the frequency characteristic is varied in accordance with a keycode signal.

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patent: 4813328 (1989-03-01), Takauji
patent: 4829463 (1989-05-01), Kakishita et al.
patent: 4854209 (1989-08-01), Matsubara et al.
patent: 4907484 (1990-03-01), Suzuki et al.
patent: 4957030 (1990-09-01), Suzuki
patent: 5117726 (1992-06-01), Lisle et al.
patent: 5157623 (1992-10-01), Hayashi

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