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-#X obj 54 90 osc~ 100;
-#X msg 62 117 clear;
-#X obj 79 547 lop~;
-#X text 10 550 see also:;
-#X text 333 549 updated for Pd version-0.38;
-#X obj 86 497 rzero~;
-#X obj 37 517 cpole~;
-#X obj 37 497 rpole~;
-#X obj 135 497 rzero_rev~;
-#X obj 86 517 czero~;
-#X obj 135 517 czero_rev~;
-#X text 213 497 real;
-#X text 212 518 complex;
-#X text 34 481 1-pole;
-#X text 83 481 1-zero;
-#X text 133 481 1-zero \, reversed;
-#X text 59 466 summary of raw filters:;
-#X text 73 300 y[n] = y[n-1] + a[n] * x[n];
-#X text 12 369 The transfer function is H(Z) = 1/(1 - aZ^-1).;
-#X text 106 116 <-- clear internal state to zero;
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-#X msg 85 132 set 1;
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-#X obj 215 315 dac~;
-#X obj 215 279 *~;
-#X text 80 18 Stuff to test it:;
-#X obj 241 106 cos~;
-#X obj 77 227 cpole~;
-#X obj 261 65 phasor~;
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-#X restore 459 483 pd test;
-#X text 113 550 etc.: user-friendly filters;
-#X text 10 387 (Pd also provides a suite of user-friendly filters.
-This and other raw filters are provided for situations which the user-friendly
-ones can't handle. See Chapter 8 of http://crca.ucsd.edu/~msp/techniques
-for an introduction to the necessary theory.);
-#X obj 52 7 cpole~;
-#X text 114 7 complex one-pole (recursive) filter \, raw;
-#X text 118 91 <-- signal to filter (real part);
-#X text 117 173 <-- signal to filter (imaginary part);
-#X obj 84 172 sig~;
-#X obj 115 197 sig~;
-#X text 149 199 <-- filter coefficient (real part);
-#X obj 145 219 sig~;
-#X obj 53 244 cpole~ 0.9 0.4;
-#X text 159 246 <-- creation arguments initialize filter;
-#X text 187 262 coefficient (real and imaginary part);
-#X text 14 278 The action of cpole~ is:;
-#X text 11 320 where y[n] is the output \, x[n] the input \, and a[n]
-the filter coefficient (all complex numbers). The filter is unstable
-if/when |a[n]|>1.;
-#X text 8 31 Cpole~ filters a complex audio signal (first two inlets)
-via a one-pole filter \, whose coefficients are controlled by creation
-arguments or by another complex audio signal (remaining two inlets).
-;
-#X text 150 144 <-- set internal state (real&imaginary parts);
-#X msg 64 143 set 0.6 0.8;
-#X text 179 221 <-- filter coefficient (imaginary part);
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