Lines Matching refs:b2
30 static void set_coefficient(struct biquad *bq, double b0, double b1, double b2, in set_coefficient() argument
36 bq->b2 = b2 * a0_inv; in set_coefficient()
63 double b2 = 2 * alpha; in biquad_lowpass() local
67 set_coefficient(bq, b0, b1, b2, 1, a1, a2); in biquad_lowpass()
98 double b2 = 2 * alpha; in biquad_highpass() local
102 set_coefficient(bq, b0, b1, b2, 1, a1, a2); in biquad_highpass()
129 double b2 = -alpha; in biquad_bandpass() local
134 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_bandpass()
175 double b2 = A * (a_plus_one - a_minus_one * k - k2); in biquad_lowshelf() local
180 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_lowshelf()
210 double b2 = A * (a_plus_one + a_minus_one * k - k2); in biquad_highshelf() local
215 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_highshelf()
241 double b2 = 1 - alpha * A; in biquad_peaking() local
246 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_peaking()
276 double b2 = 1; in biquad_notch() local
281 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_notch()
311 double b2 = 1 + alpha; in biquad_allpass() local
316 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_allpass()