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+#N canvas 0 0 644 422 12;
+#X obj 257 200 sig~;
+#X text 14 193 test signal;
+#X text 100 341 amp in (db);
+#X text 92 144 test frequency;
+#X text 224 340 amp out (db);
+#X obj 220 264 vcf~;
+#X text 246 144 center frequency;
+#X text 374 184 q;
+#X floatatom 122 168 5 0 0;
+#X floatatom 257 171 5 0 0;
+#X obj 122 193 osc~;
+#X floatatom 353 203 5 0 0;
+#X obj 122 291 env~ 8192;
+#X obj 220 290 env~ 8192;
+#X floatatom 121 318 5 0 0;
+#X floatatom 220 319 5 0 0;
+#X obj 80 13 vcf~;
+#X text 135 13 -- voltage-controlled bandpass filter;
+#X text 26 395 see also:;
+#X obj 115 394 bp~;
+#X text 302 394 updated for Pd version 0.35;
+#X text 12 45 vcf~ is like bp~ except that it takes an audio signal
+to set center frequency \, which may thus change continuously in time.
+The "Q" or filter sharpness is still only set by messages. More expensive
+than bp~ in CPU time but more powerful too.;
+#X connect 0 0 5 1;
+#X connect 5 0 13 0;
+#X connect 8 0 10 0;
+#X connect 9 0 0 0;
+#X connect 10 0 5 0;
+#X connect 10 0 12 0;
+#X connect 11 0 5 2;
+#X connect 12 0 14 0;
+#X connect 13 0 15 0;