iir_110.h

// DD4WH LPF DC - 11.0 kHz
// (sampling rate 44.117 kHz)
// 12.2.2016
// Parameters generated using Iowa Hills IIR Filter Designer
// 8th order Inv Cheby Lowpass (4-stage cascaded biquad)
// 
// 

// coefficients must be in order: B0, B1, B2, A1, A2 (A0 is always equal to 1)
// unlike output by Iowa Hils IIR Filter Designer !

const double IIR_110_Coeffs_0[] =
{

  0.475780268916932259,
   0.373028495120374948,
   0.475780268916932259,
   0.287219208685271454,
   0.037369824268968011
};

const double IIR_110_Coeffs_1[] =
{

   0.449751723274657622,
   0.469708113552961881,
   0.449751723274657622,
   0.212781928336632037,
   0.156429631765645144
};

const double IIR_110_Coeffs_2[] =
{ 

   0.424433344934997681,
   0.640184306422222793,
   0.424433344934997681,
   0.102040329398599611,
   0.387010666893618627
};

const double IIR_110_Coeffs_3[] =
{ 

   0.447171439600465070,
   0.863957628409256384,
   0.447171439600465070,
   0.012475725320821696,
   0.745824782289364885
};