Monthly Archives: September 2009

h4>AbstractAn envelope generator for use in an electronic musical instrument comprises a musical tone data processing unit to evaluate a rate of change in a current value of musical tone envelope data with respect to a target value based on a parameter, a changing rate control unit for decrementing a change in the current value such that the current value becomes closer to the target value, a detection unit to detect whether or not the rate of change becomes equal to 0, and a processing control unit control for stopping the evaluation the current value in response to a result of the detection.ClaimsWe claim:

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h4>AbstractAn electronic musical instrument capable of effecting vibratos with any of tones which may be produced by pressing down the keys of a keyboard. A key constant memory stores key constants each being assigned to a different tone, while a vibrato constant memory stores vibrato constants each being assigned to a different tone. The keyboard is provided with an exclusive switch for effecting vibratos. When this exclusive switch is pressed, a counter which counts clock pulses feeds its output to an adder/subtractor in the form of an addition/subtraction switchover signal and an addition/subtraction execution control signal. In response, the adder/subtractor periodically and alternately performs addition and subtraction with the key constant and vibrato constant associated with a key being pressed down.ClaimsWhat is claimed is:

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If you own a computer and a simple sound card, you’re well on your way to creating your own music at home. It will seem a bit overwhelming to even think that you could do this, but with VST plugins even a novice can make tremendous chart topping hits. You have virtual equipment ready to you at your fingertips. The day of complicated tools for music-making are gone. It doesn’t take being a computer or technology genius to attain various musical effects when the VST plugins are utilized.

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