  < Score11 file used to create Eastman Csound Tutorial soundfile example
  < ex5-5 : bandpass filter; center freq. & bandwidth vary during each note
i1 0 0 3;
p3 rh 2;
p4 no a3/d7/c2;                             < center frequency  1(beginning)
p5 no a4/ef3/fs2;                           < center frequency  2 (end)
p6 .25;                                     < attack time
p7 .25;                                     < decay time

< all bandwidths are multipliers for center frequency
p8 nu 5./.2/8.;                             < bandwidth 1 (beginning)
p9 nu 2./1./1.;                             < bandwidth 2 (after p6)
p10 nu .5/3./4.;                             < bandwidth 3 (before p7)
p11 nu .1/8./.5;                             < bandwidth 4 (end of  decay)
end;
