Lines Matching refs:b1
30 static void set_coefficient(struct biquad *bq, double b0, double b1, double b2, in set_coefficient() argument
35 bq->b1 = b1 * a0_inv; in set_coefficient()
62 double b1 = 2 * 2 * alpha; in biquad_lowpass() local
67 set_coefficient(bq, b0, b1, b2, 1, a1, a2); in biquad_lowpass()
97 double b1 = 2 * -2 * alpha; in biquad_highpass() local
102 set_coefficient(bq, b0, b1, b2, 1, a1, a2); in biquad_highpass()
128 double b1 = 0; in biquad_bandpass() local
134 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_bandpass()
174 double b1 = 2 * A * (a_minus_one - a_plus_one * k); in biquad_lowshelf() local
180 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_lowshelf()
209 double b1 = -2 * A * (a_minus_one + a_plus_one * k); in biquad_highshelf() local
215 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_highshelf()
240 double b1 = -2 * k; in biquad_peaking() local
246 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_peaking()
275 double b1 = -2 * k; in biquad_notch() local
281 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_notch()
310 double b1 = -2 * k; in biquad_allpass() local
316 set_coefficient(bq, b0, b1, b2, a0, a1, a2); in biquad_allpass()