< Score11 file used to create Eastman Csound Tutorial soundfile example ex2-4 :
     < illustrates different audio waveshapes and time envelope functions
< Sameorchestra file used as in  ex2-3

< Envelope functions :
* f52 0 65 7 0 32 1. 32 0;              < line pyramid: up,down
* f62 0 65 5 .01 32 1. 32 .01;         <expo. pyramid (up,down)
* f21 0 65 5 .001 4 .8 10 1. 10 .7 40 .001;
* f22 0 65 5 .001 10 1. 10 .2 10 .8 10 .1 10 .6 14 .001;

< Audio waveshape functions :
* f11 0 512 10 1. .8 0 .6 0 .4 0 .2 ;  < fundamental & even harmonics
* f12 0 512 10 1. 0 .33 0 .13 0 .07;   < fundamental & odd harmonics
* f13 0 64 7 -1 32 -1 0 1. 32 1. ;     < square wave, not band-limited
* f14 0 64 7 -1 30 -1 2 1. 30 1. 2 -1.; < square wave, band-limited

i1 0 0 4;
p3 3.;
p4 no c3;                               < pitch (in pch)
p5 8000;                                < amplitude
p6 nu 52/62/21/22;                      < function number for time envelope
p7 nu 11/12/13/14;                  < function number for audio waveshape
end;
