Searched refs:sn (Results 1 – 1 of 1) sorted by relevance
56 double sn = 0.5 * d * sin(theta); in biquad_lowpass() local57 double beta = 0.5 * (1 - sn) / (1 + sn); in biquad_lowpass()91 double sn = 0.5 * d * sin(theta); in biquad_highpass() local92 double beta = 0.5 * (1 - sn) / (1 + sn); in biquad_highpass()