#N canvas 365 183 620 459 10; #X obj 77 182 print; #X floatatom 77 114; #X floatatom 192 113; #X msg 360 117 \; paint 0; #X obj 159 175 filtgain; #X msg 91 138 bang; #X text 6 334 See also:; #X obj 72 335 bandpass; #X obj 139 336 notch; #X obj 195 337 lowpass; #X obj 247 336 highpass; #X obj 247 358 equalizer; #X obj 72 357 highshelf; #X obj 139 357 lowshelf; #X obj 195 357 hlshelf; #X text 75 226 These filters are all controlled by a bandwidth which is expressed in octaves. A bandwidth of 100 is equivalent to one octave.; #X text 358 25 click first; #X text 211 159 click on filtgain to view frequency plot; #X text 6 393 (C) Guenter Geiger 2000; #X text 75 92 frequency; #X text 75 268 Attention \, only the left inlet triggers new coefficients for biquad~; #X floatatom 129 113; #X text 138 92 gain; #X text 71 26 ==============================================; #X text 192 92 slope (0 - 100); #X text 76 12 Lowshelf coefficients for biquad~; #X obj 31 113 r doit; #X msg 360 45 \; pd dsp 1 \; paint 1 \; doit bang \;; #X obj 77 160 lowshelf 4000 50 100; #X connect 1 0 28 0; #X connect 2 0 5 0; #X connect 2 0 28 2; #X connect 5 0 28 0; #X connect 21 0 5 0; #X connect 21 0 28 1; #X connect 26 0 28 0; #X connect 28 0 0 0; #X connect 28 0 4 0;