<<< post-processing D_E_L_A_Y_S algorithm:
< Functions are needed for p7, p13 & p19 ;the default for each is f52
* f52 0 65 7 0 32 1. 32 0;   < linear change from value1 to value2 to value1
< To use any of the additional function possibilities below, remove the comment:
<* f50 0 65 7 0 64 1.;     < linear change from value1 to value2
<* f60 0 65 5 .01 64 1.;   < exponential change from value1 to value2
<* f62 0 65 5 .01 32 1. 32 .01;  < exponential : val1 -> val2 -> val1
<* f54 0 65 9 .25 1 0;	< rise (1st quarter of sine wave)
<* f55 0 65 9 .5 1 0;	< rise & fall (1st half of sine wave)

DELAYS 0 0 1;
p3 
p4           < 1st delay time [normal range .02 - 1. ]
p5           < 2nd delay time [normal range .02 - 1. ]
 < p6 determines the rate of change between p4 & p5; 0=1/p3;  >100 = (p8-100)/p3
p6   
p7           < function for change between p4 & p5 [default = 52]
p8           < random deviation %  [normal range =  .05 -.25 ]
p9           < random deviation rate [normal range =  1.- 5.]
< p10 through p15 control the % of signal sent through the delay line
p10          < 1st % to delay unit [.0 -.99;.normal range = 4 -..8 ]
p11          < 2nd % to delay unit [.0 -.99;.normal range = 4 -..8 ]
p12         < rate of change btw p10 & p11;  0=1/p3;  >100 = (p8-100)/p3
p13         < function # for change [default = 52]
p14         < random deviation %  [normal range =  .01 -.25 ]
p15         < r.d. rate  [normal range = 1. - 5. ]
< p16-p21 determine the amount of  feedback
p16         < 1st feedback %  [normal range = .4 - .75 ]
p17         < 2nd feedback %  [normal range = .4 - .75 ]
p18         <rate of change between  p16 & p17 ; if 0=1/p3; >100 = (p11-100)/p3
p19         < function for change  [default = 52]
p20         < % random deviation [normal range = .1 - .2 ]
p21         < r.d. rate [ normal range = 1. - 5. ]
< p22 used as flag field for stereo instruments only
p22         < 0 produces  echos on the same channel;  1 creates ping-pong echos
