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Parabolic shaper

References : Posted by azertopia at free dot fr

Notes :
This function can be used for oscillators or shaper.
it can be driven by a phase accumulator or an audio input.


Code :
Function Parashape(inp:single):single;
var fgh,tgh:single;
begin
fgh := inp ;
fgh := 0.25-f_abs(fgh) ;
tgh := fgh ;
tgh := 1-2*f_abs(tgh);
fgh := fgh*8;
result := fgh*tgh ;
end;
// f_abs is the function of ddsputils unit.



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