//bs1750.cof IIR bandstop coefficient file, centered at 1,750 Hz #define stages 5 //number of 2nd-order stages int a[stages][3]= { //numerator coefficients {27940, -10910, 27940}, //a10, a11, a12 for 1st stage {32768, -11841, 32768}, //a20, a21, a22 for 2nd stage {32768, -13744, 32768}, //a30, a31, a32 for 3rd stage {32768, -11338, 32768}, //a40, a41, a42 for 4th stage {32768, -14239, 32768} }; int b[stages][2]= { //*denominator coefficients {-11417, 25710}, //b11, b12 for 1st stage {-9204, 31581}, //b21, b22 for 2nd stage {-15860, 31605}, //b31, b32 for 3rd stage {-10221, 32581}, //b41, b42 for 4th stage {-15258, 32584} }; //b51, b52 for 5th stage