< 1st note panning movement is slow-fast-slow ;  slight random deviation
< 2nd note illustrates use of high random deviation & resulting erratic panning

< possible functions for p11 and p18:
* f52 0 65 7 0 32 1. 32 0;   < linear: p9->p10->p9  the default
* f50 0 65 7 0 64 1.;            < linear: p9->p10,  and  p15->p16
* f60 0 65 5 .01 64 1.;	         < exponential: p9->p10->p9 
* f62 0 65 5 .01 32 1. 32 .01;   < exponential pyramid :p9->p10->p9
* f54 0 65 9 .25 1 0;	         < 1st quarter of sine wave p9->p10
* f55 0 65 9 .5 1 0;	         < 1st half of sine wave p9->p10->p9

SFVPAN 0 0 2;                         < mono input; 2 channel pan output
p3 7.8; 
du 307.46;
p4 1;   < specifies link file "soundin.1," pointing to /sflib/x/voicetest.wav
p5 1;                                < ampfac
p6                                   < duration skipped from front of sf
p7                                   < fade in time
p8                                   < fade out time

< values for pan between L. C.(a1) and R. C. (a2) : p9 - p14
p9  nu .9 /  .7;                    < 1st decimal % to a1 (.01-.99)
p10 nu .1/  .3;                     < 2nd  "     "     "    "    "
p11  < {default function 52 used}    < function number for change
p12  .5; < sound starts in center    < starting phase (0 -1.)
< make sure that p13+p9 and p13+p10 are < 1.; also p9-p13 and p10-p13 >= 0
p13 nu .02 / .28 ;                   < rand. dev. decimal % (e.g. .01-.1)
p14 nu 3.;                           < rand. dev. rate (e.g. 3.-5.5)
< values for variable pan rate : p15 - p21
p15 nu .5 / .8;                 < 1st pan rate
p16 nu 6. / 1.5 ;               < 2nd pan rate
< p17 flags: 0 = 1/p3 ; >100 = (p17-100)/p3 ; negative = period for change
p17 nu 0 / 101.;                    < rate of change between p15 & p16
p18 nu 62;                          < function number for change
p19 0;                              < starting phase (0 - 1.)
p20 nu  .1 / .95 ;                  < rand. dev. decimal %
p21  3.;                            < rand. dev. rate (e.g. 3. - 6.)
end;  <<<>>>>>>>>>>
