Apparatus for realizing variable key scaling in electronic musical instrument
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United States of America Patent
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Sep 18, 1990
Grant Date -
N/A
app pub date -
Nov 24, 1987
filing date -
Nov 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The key scaling apparatus for an electronic musical instrument having a keyboard includes a memory unit having plural memory areas associated respectively with plural notes or note groups represented by plural keys or key groups of the keyboard; manipulator knobs for producing desired musical tone preparing instruction signals determining the characteristics of the musical tone to be produced; registering means for writing, in those memory areas corresponding to a desired note or note group designated by an operated key, the instruction signals produced by the manipulated knobs; and control means for controlling, when a performance mode is designated, the musical tone to be produced bearing the characteristics as designated by the instruction signals read out from the related memory areas upon operation of a key. This apparatus allows the user to arbitrarily set a desired key scaling characteristic curve, and to alter the preset curves by mere manipulation of knobs, wherein easily realizing musical performances on the electronic musical instrument which are close to those produced by natural musical instruments.
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