Lines Matching refs:alpha
80 float *alpha;
103 st->alpha = speex_alloc(channels*sizeof(float));
117 st->alpha[ch] = 0;
164 float alpha;
170 alpha = st->alpha[ch];
189 st->y[i] = alpha*(x[i-ALLPASS_ORDER+order]-beta*x[i-ALLPASS_ORDER+order-1])*st->vorbis_win[st->frame_size+i+order]
191 - alpha*(ring[ringID]
208 alpha = alpha + .4*uni_rand(&st->seed);
209 if (alpha > max_alpha)
210 alpha = max_alpha;
211 if (alpha < -max_alpha)
212 alpha = -max_alpha;
218 float tmp = alpha*(x[i-ALLPASS_ORDER+order]-beta*x[i-ALLPASS_ORDER+order-1])*st->vorbis_win[i+order]
220 - alpha*(ring[ringID]
273 st->alpha[ch] = alpha;
288 speex_free(st->alpha);