Kurzweil K2500 Reference Manual page 36

FXAlg #131: 4-Tap Delay ¥ FXAlg #132: 4-Tap Delay BPM
FXAlg #131: 4-Tap Delay ¥
FXAlg #132: 4-Tap Delay BPM
This is a simple stereo 4-tap delay algorithm with delay lengths defined either in milliseconds (ms) (#131), or in
tempos and beats (#132). The left and right channels are fully symmetric (all controls affect both channels). The
duration of each stereo delay tap (length of the delay) and the signal level from each stereo tap may be set. Prior to
output each delay tap passes through a level and left/right balance control. The taps are summed and added to the
dry input signal through a Wet/Dry control. The delayed signal from the ÒLoopÓ tap may be fed back to the delay
input.
Input
The delay length for any given tap is the sum of the coarse and fine parameters for the tap, multiplied by the
DelayScale parameter which is common to all taps. The DelayScale parameter allows you to change the lengths of
all the taps together.
A repetitive loop delay is created by turning up the Fdbk Level parameter. Only the Loop tap is fed back to the input
of the delay, so this is the tap which controls the loop rate. Usually you will want the Loop delay length to be longer
than the other tap lengths. Set the Loop delay length to the desired length, then set the other taps to fill in the
measure with interesting rhythmical patterns. Setting tap levels allows some ÒbeatsÓ to receive more or less
emphasis than others.
Algorithm Reference-36
A stereo four-tap delay with feedback
Allocation Units: 1
Feedback
High Freq
Damping
Dry
Left Channel of 4-Tap Delay
Delay
Tap Levels
& Balance
Wet
Output