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+#X msg 409 344 hpf;
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+#X obj 461 38 pdp_help_input;
+#X msg 461 13 start;
+#X msg 507 13 stop;
+#X obj 28 746 pdp_help_output;
+#X text 159 598 right inlet sets number of passes;
+#X text 37 16 pdp_bq: a spatial biquad filter;
+#X obj 495 196 pdp_blur;
+#X obj 598 194 pdp_phase;
+#X obj 461 93 pdp_route 3;
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+#X text 312 358 high pass;
+#X text 313 382 low pass;
+#X text 314 410 all pass;
+#X text 313 439 band stop;
+#X text 541 367 pole Q;
+#X text 94 31 it is a bit awkward to use directly;
+#X text 94 45 try one of the abstractions (pdp_blur and;
+#X text 95 61 pdp_phase);
+#X text 122 208 left->right;
+#X text 124 242 right->left;
+#X text 126 272 top->bottom;
+#X text 126 300 bottom->top;
+#X text 133 359 bt and tb;
+#X text 132 383 lr and rl;
+#X text 147 494 one pole filter;
+#X text 146 524 double one pole filter;
+#X msg 89 464 0.1;
+#X msg 556 95 0.5;
+#X msg 616 94 0.5;
+#X text 588 62 choose example here;
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+#X text 93 91 "unstable" behaviour is possible;
+#X msg 490 347 0.1;
+#X msg 488 293 0.3;
+#X obj 28 720 pdp_gain;
+#X floatatom 112 693 5 0 0;
+#X msg 112 671 1;
+#X text 95 107 when frequency and Q are outside their;
+#X text 96 122 sensible ranges;
+#X text 122 180 set filter direction:;
+#X text 264 342 set the filter type:;
+#X text 137 476 set the filter type:;
+#X text 538 319 (between 0 and 1 \, 0.5 = nyquist);
+#X text 540 333 comment;
+#X text 540 305 pole frequency;
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