Lines Matching refs:w0
161 double w0, A, alpha, mult; in start() local
180 w0 = 2 * M_PI * p->fc / effp->in_signal.rate; in start()
184 if (w0 > M_PI) { in start()
195 alpha = sin(w0)/2 * sqrt((A + 1/A)*(1/p->width - 1) + 2); in start()
199 alpha = sin(w0)/(2*p->width); in start()
203 alpha = sin(w0)*sinh(log(2.)/2 * p->width * w0/sin(w0)); in start()
207 alpha = sin(w0)/(2*p->fc/p->width); in start()
218 p->b0 = (1 - cos(w0))/2; in start()
219 p->b1 = 1 - cos(w0); in start()
220 p->b2 = (1 - cos(w0))/2; in start()
222 p->a1 = -2*cos(w0); in start()
227 p->b0 = (1 + cos(w0))/2; in start()
228 p->b1 = -(1 + cos(w0)); in start()
229 p->b2 = (1 + cos(w0))/2; in start()
231 p->a1 = -2*cos(w0); in start()
236 p->b0 = sin(w0)/2; in start()
238 p->b2 = -sin(w0)/2; in start()
240 p->a1 = -2*cos(w0); in start()
249 p->a1 = -2*cos(w0); in start()
255 p->b1 = -2*cos(w0); in start()
258 p->a1 = -2*cos(w0); in start()
264 p->b1 = -2*cos(w0); in start()
267 p->a1 = -2*cos(w0); in start()
275 p->b1 = -2*cos(w0); in start()
278 p->a1 = -2*cos(w0); in start()
285 p->b0 = A*( (A+1) - (A-1)*cos(w0) + 2*sqrt(A)*alpha ); in start()
286 p->b1 = 2*A*( (A-1) - (A+1)*cos(w0) ); in start()
287 p->b2 = A*( (A+1) - (A-1)*cos(w0) - 2*sqrt(A)*alpha ); in start()
288 p->a0 = (A+1) + (A-1)*cos(w0) + 2*sqrt(A)*alpha; in start()
289 p->a1 = -2*( (A-1) + (A+1)*cos(w0) ); in start()
290 p->a2 = (A+1) + (A-1)*cos(w0) - 2*sqrt(A)*alpha; in start()
298 p->b0 = A*( (A+1) + (A-1)*cos(w0) + 2*sqrt(A)*alpha ); in start()
299 p->b1 = -2*A*( (A-1) + (A+1)*cos(w0) ); in start()
300 p->b2 = A*( (A+1) + (A-1)*cos(w0) - 2*sqrt(A)*alpha ); in start()
301 p->a0 = (A+1) - (A-1)*cos(w0) + 2*sqrt(A)*alpha; in start()
302 p->a1 = 2*( (A-1) - (A+1)*cos(w0) ); in start()
303 p->a2 = (A+1) - (A-1)*cos(w0) - 2*sqrt(A)*alpha; in start()
307 p->a1 = -exp(-w0); in start()
312 p->a1 = -exp(-w0); in start()
329 p->b0 = exp(-w0); in start()
331 p->a1 = -exp(-w0); in start()
335 p->b0 = 1 - sin(w0); in start()
336 p->b1 = -2 * cos(w0); in start()
337 p->b2 = 1 + sin(w0); in start()
338 p->a0 = 1 + sin(w0); in start()
339 p->a1 = -2 * cos(w0); in start()
340 p->a2 = 1 - sin(w0); in start()