Parameters
double
lowStopbandFreq
Lower stopband corner frequency (in Hz).
double
lowPassbandFreq
Lower passband corner frequency (in Hz).
double
highPassbandFreq
Higher passband corner frequency (in Hz).
double
highStopbandFreq
Higher stopband corner frequency (in Hz).
double
passbandRipple
Maximum allowed passband ripple.
double
stopbandAttenuation
Minimum required stopband attenuation.
Return
ValueTuple<Double[], Double[]>
IIR coefficients.