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diff --git a/doc/pddp/czero~-help.pd b/doc/pddp/czero~-help.pd new file mode 100644 index 00000000..193a4bf4 --- /dev/null +++ b/doc/pddp/czero~-help.pd @@ -0,0 +1,195 @@ +#N canvas 0 0 555 619 10; +#X obj 0 595 cnv 15 552 21 empty \$0-pddp.cnv.footer empty 20 12 0 +14 -228856 -66577 0; +#X obj 0 0 cnv 15 552 40 empty \$0-pddp.cnv.header czero~ 3 12 0 18 +-204280 -1 0; +#X obj 0 288 cnv 3 550 3 empty \$0-pddp.cnv.inlets inlets 8 12 0 13 +-228856 -1 0; +#N canvas 50 206 491 389 META 0; +#X text 12 105 PLATFORM windows macosx gnulinux; +#X text 12 245 LIBRARY internal; +#X text 12 285 WEBSITE http://crca.ucsd.edu/~msp/; +#X text 12 65 LICENSE SIBSD; +#X text 12 265 AUTHOR Miller Puckette; +#X text 12 345 HELP_PATCH_AUTHORS Updated for Pd version-0.38. Jonathan +Wilkes revised the patch to conform to the PDDP template for Pd version +0.42.; +#X text 12 5 GENRE help; +#X text 12 45 KEYWORDS signal filter; +#X text 12 85 DESCRIPTION complex one-zero (non-recursive) filter \, +raw; +#X text 12 25 NAME czero~; +#X text 12 125 INLET_0 signal clear set; +#X text 12 145 INLET_1 signal; +#X text 12 165 INLET_2 signal; +#X text 12 185 INLET_3 signal; +#X text 12 205 OUTLET_0 signal; +#X text 12 225 OUTLET_1 signal; +#X text 12 305 RELEASE_DATE 1997; +#X text 12 325 RELEASE_VERSION; +#X restore 500 597 pd META; +#X obj 0 425 cnv 3 550 3 empty \$0-pddp.cnv.outlets outlets 8 12 0 +13 -228856 -1 0; +#X obj 0 487 cnv 3 550 3 empty \$0-pddp.cnv.argument arguments 8 12 +0 13 -228856 -1 0; +#X obj 0 543 cnv 3 550 3 empty \$0-pddp.cnv.more_info more_info 8 12 +0 13 -228856 -1 0; +#N canvas 63 281 428 309 Related_objects 0; +#X obj 75 61 rzero~; +#X obj 26 81 cpole~; +#X obj 26 61 rpole~; +#X obj 124 61 rzero_rev~; +#X obj 75 81 czero~; +#X obj 124 81 czero_rev~; +#X text 202 61 real; +#X text 201 82 complex; +#X text 23 45 1-pole; +#X text 72 45 1-zero; +#X text 122 45 1-zero \, reversed; +#X text 48 30 summary of raw filters:; +#X text 22 185 User-friendly Filters; +#X obj 25 214 lop~; +#X obj 76 213 hip~; +#X obj 128 214 bp~; +#X obj 173 215 vcf~; +#X obj 26 275 biquad~; +#X text 22 251 Other Objects; +#X text 22 114 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 1 1 cnv 15 425 20 empty \$0-pddp.cnv.subheading empty 3 12 0 +14 -204280 -1 0; +#X text 8 2 [czero~] Related Objects; +#X restore 102 597 pd Related_objects; +#X obj 78 434 cnv 17 3 17 empty \$0-pddp.cnv.let.0 0 5 9 0 16 -228856 +-162280 0; +#X obj 78 297 cnv 17 3 45 empty \$0-pddp.cnv.let.0 0 5 9 0 16 -228856 +-162280 0; +#X text 98 297 signal; +#X text 98 434 signal; +#N canvas 21 185 498 375 test 0; +#X obj 88 282 env~ 16384; +#X floatatom 88 306 5 0 0 0 - - -; +#X floatatom 420 107 4 -1000 1000 0 - - -; +#X obj 285 310 dac~; +#X obj 285 274 *~; +#X obj 311 101 cos~; +#X floatatom 237 46 5 0 0 0 - - -; +#X obj 265 98 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 1 +; +#X obj 237 96 *~; +#X obj 237 69 phasor~; +#X floatatom 318 52 5 0 0 0 - - -; +#X obj 318 75 / 1000; +#X obj 344 102 -~ 0.25; +#X obj 344 124 cos~; +#X obj 420 126 / 1000; +#X obj 310 152 *~; +#X obj 344 152 *~; +#X obj 164 282 env~ 16384; +#X floatatom 164 306 5 0 0 0 - - -; +#X obj 317 270 dbtorms; +#X floatatom 318 250 5 0 0 0 - - -; +#X obj 181 206 czero~; +#X floatatom 137 118 4 -1000 1000 0 - - -; +#X obj 28 112 cos~; +#X obj 48 71 phasor~; +#X floatatom 51 46 5 0 0 0 - - -; +#X obj 61 113 -~ 0.25; +#X obj 61 135 cos~; +#X obj 137 137 / 1000; +#X obj 27 163 *~; +#X obj 61 163 *~; +#X text 150 13 Stuff to test it:; +#X connect 0 0 1 0; +#X connect 2 0 14 0; +#X connect 4 0 3 0; +#X connect 4 0 3 1; +#X connect 5 0 15 0; +#X connect 6 0 9 0; +#X connect 7 0 8 1; +#X connect 8 0 21 0; +#X connect 9 0 8 0; +#X connect 10 0 11 0; +#X connect 11 0 5 0; +#X connect 11 0 12 0; +#X connect 12 0 13 0; +#X connect 13 0 16 0; +#X connect 14 0 16 1; +#X connect 14 0 15 1; +#X connect 15 0 21 2; +#X connect 16 0 21 3; +#X connect 17 0 18 0; +#X connect 19 0 4 1; +#X connect 20 0 19 0; +#X connect 21 0 0 0; +#X connect 21 0 4 0; +#X connect 21 1 17 0; +#X connect 22 0 28 0; +#X connect 23 0 29 0; +#X connect 24 0 26 0; +#X connect 24 0 23 0; +#X connect 25 0 24 0; +#X connect 26 0 27 0; +#X connect 27 0 30 0; +#X connect 28 0 30 1; +#X connect 28 0 29 1; +#X connect 29 0 21 0; +#X connect 30 0 21 1; +#X restore 102 552 pd test; +#X text 98 312 clear; +#X text 98 327 set; +#X obj 78 347 cnv 17 3 17 empty \$0-pddp.cnv.let.1 1 5 9 0 16 -228856 +-162280 0; +#X text 98 347 signal; +#X obj 78 372 cnv 17 3 17 empty \$0-pddp.cnv.let.2 2 5 9 0 16 -228856 +-162280 0; +#X text 98 372 signal; +#X obj 78 397 cnv 17 3 17 empty \$0-pddp.cnv.let.3 3 5 9 0 16 -228856 +-162280 0; +#X text 98 397 signal; +#X obj 78 459 cnv 17 3 17 empty \$0-pddp.cnv.let.1 1 5 9 0 16 -228856 +-162280 0; +#X text 98 459 signal; +#X obj 42 111 osc~ 100; +#X msg 50 136 clear; +#X obj 69 187 sig~; +#X obj 96 209 sig~; +#X obj 126 229 sig~; +#X msg 57 162 set 0.6 0.8; +#X obj 41 252 czero~ 0.9 0.4; +#X obj 477 3 czero~; +#X obj 450 20 pddp/pddplink http://wiki.puredata.info/en/czero~ -text +pdpedia: czero~; +#X text 179 152 The action of czero~ is:; +#X text 238 173 y[n] = x[n] - a[n] * x[n-1]; +#X text 176 193 where y[n] is the output \, x[n] the input \, and a[n] +the filter coefficient (all complex numbers). The filter is always +stable.; +#X text 175 248 The transfer function is H(Z) = 1 - aZ^-1.; +#X text 11 23 complex one-zero (non-recursive) filter \, raw; +#X text 168 297 - signal to filter (real part).; +#X text 168 312 - clear internal state to zero.; +#X text 168 327 - set internal state (real & imaginary parts).; +#X text 168 347 - signal to filter ( imaginary part ).; +#X text 168 372 - filter coefficient ( real part ).; +#X text 168 397 - filter coefficient ( imaginary part ).; +#X text 167 506 - (optional) filter coefficient (real part).; +#X text 167 521 - (optional) filter coefficient (imaginary part).; +#X text 80 506 1) float; +#X text 80 521 2) float; +#X text 84 53 [czero~] filters a complex audio signal (first two inlets) +via a one-zero filter \, whose coefficients are controlled by creation +arguments or by another complex audio signal (remaining two inlets). +; +#X obj 4 597 pddp/pddplink pddp/help.pd -text help; +#X obj 455 51 pddp/dsp-reminder; +#X obj 100 572 pddp/pddplink ../3.audio.examples/H12.peaking.pd -text +doc/3.audio.examples/H12.peaking.pd; +#X connect 23 0 29 0; +#X connect 24 0 29 0; +#X connect 25 0 29 1; +#X connect 26 0 29 2; +#X connect 27 0 29 3; +#X connect 28 0 29 0; |