#N canvas 536 250 728 456 10;
#X obj 258 209 env~;
#X floatatom 258 236 0 0 0 0 - - -;
#X floatatom 169 91 0 0 0 0 - - -;
#X obj 169 207 env~;
#X floatatom 169 235 0 0 0 0 - - -;
#X obj 258 176 biquad~ 1.41407 -0.9998 1 -1.41421 1;
#X msg 258 92 1.41407 -0.9998 1 -1.41421 1;
#X text 323 230 (= SR/8 = 5512.5 Hz @44.1k);
#X text 270 70 list sets filter parameters;
#X msg 293 122 set 0 0;
#X msg 294 147 clear;
#X obj 169 131 osc~ 5512.5;
#X text 363 124 set internal state;
#X text 361 146 ... or just clear it;
#X text 162 260 Compare the value of the straight signal on the left
with the value of the filtered signal on the right.;
#X text 114 16 2-pole-2-zero-filter;
#X text 317 211 this [biquad~] is a notch filter for fn = Pi/4;
#X connect 0 0 1 0;
#X connect 2 0 11 0;
#X connect 3 0 4 0;
#X connect 5 0 0 0;
#X connect 6 0 5 0;
#X connect 9 0 5 0;
#X connect 10 0 5 0;
#X connect 11 0 3 0;
#X connect 11 0 5 0;
