Electronic musical instrument having a vibrato effecting capability2009-09-18 00:00:00key 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 execut...
