diff options
author | N.N. <electrickery@users.sourceforge.net> | 2015-02-02 19:14:33 +0000 |
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committer | N.N. <electrickery@users.sourceforge.net> | 2015-02-02 19:14:33 +0000 |
commit | 4c1bcfd1857e4e5b25c5b3c9729d0422a8cce576 (patch) | |
tree | 8b84a15e5ed4d0245765b0762b78a538b7431584 /doc/help/cyclone/onepole~-help.pd | |
parent | f994b384f76aefdf25cbcadf8a12bfcf06cf87fd (diff) |
Reformatted and enhanced the cyclone help-patches.
svn path=/trunk/externals/miXed/; revision=17422
Diffstat (limited to 'doc/help/cyclone/onepole~-help.pd')
-rw-r--r-- | doc/help/cyclone/onepole~-help.pd | 119 |
1 files changed, 91 insertions, 28 deletions
diff --git a/doc/help/cyclone/onepole~-help.pd b/doc/help/cyclone/onepole~-help.pd index 25e11c2..0ba4b57 100644 --- a/doc/help/cyclone/onepole~-help.pd +++ b/doc/help/cyclone/onepole~-help.pd @@ -1,31 +1,94 @@ -#N canvas 0 26 525 335 10; -#X text 37 24 single-pole lowpass filter; -#X text 56 272 onepole's advantages are efficiency and simplicity. +#N canvas 507 79 570 544 10; +#X obj 0 707 cnv 15 552 21 empty empty empty 20 12 0 14 -233017 -33289 +0; +#X obj 0 317 cnv 3 550 3 empty empty inlets 8 12 0 13 -228856 -1 0 +; +#N canvas 617 272 357 233 META 0; +#X text 0 20 LICENSE SIBSD; +#X text 0 120 LIBRARY cyclone; +#X text 0 100 OUTLET_0 signal; +#X text 0 0 KEYWORDS signal lowpass filter low pass pole; +#X text 0 40 DESCRIPTION single-pole lowpass filter; +#X text 0 60 INLET_0 signal; +#X text 0 80 INLET_1 float signal; +#X text 0 140 VERSION 0.1-alpha57; +#X text 0 158 AUTHOR Krzysztof Czaja; +#X text 1 176 RELEASE_DATE 2002; +#X text 2 195 WEBSITE http://suita.chopin.edu.pl/~czaja/miXed/externs/cyclone.html +; +#X text 2 227 HELP_PATCH_AUTHORS Christoph Kummerer. Revised by Jonathan +Wilkes for Pd-extended 0.42 to conform to the PDDP template. Alex Cleveland +updated this patch for Pd-l2ork version 2013.05.28. Fred Jan Kraan +adapted the patch to pd-extended 2015-02-02; +#X restore 502 709 pd META; +#X obj 0 410 cnv 3 550 3 empty empty outlets 8 12 0 13 -228856 -1 0 +; +#X obj 0 447 cnv 3 550 3 empty empty arguments 8 12 0 13 -228856 -1 +0; +#X obj 0 490 cnv 3 550 3 empty empty more_info 8 12 0 13 -228856 -1 +0; +#N canvas 312 395 428 109 Related_objects 0; +#X obj 0 0 cnv 15 425 20 empty empty empty 3 12 0 14 -204280 -1 0; +#X text 6 1 Related Objects; +#X restore 197 709 pd Related_objects; +#X obj 79 326 cnv 17 3 17 empty empty 0 5 9 0 16 -228856 -162280 0 +; +#X obj 79 353 cnv 17 3 35 empty empty 1 5 9 0 16 -228856 -162280 0 +; +#X obj 0 0 cnv 15 552 40 empty empty onepole~ 3 12 0 18 -204280 -1 +0; +#X obj 490 8 onepole~; +#X text 12 23 single-pole lowpass filter; +#X text 109 325 signal; +#X text 109 352 float; +#X text 109 372 signal; +#X text 109 420 signal; +#X text 91 463 1) float; +#X text 180 420 - output of low-pass filter based on args; +#X text 111 539 where k represents the cutoff frequency in radians. +this generates a single-pole lowpass filter with a 6dB/octave attenuation. +; +#X text 162 519 out = prev + k * (in - prev); +#X text 111 499 onepole~ implements the minimal filter equation:; +#X text 111 625 onepole's advantages are efficiency and simplicity. it works well as a pre- or post-processing stage for other treatments \, such as waveshaping or filtering \, which can benefit from a gentle roll-off of high frequencies.; -#X text 38 124 this filter is equivalent to a biquad~ object with the -coefficients \, [ a0 = k \, b1 = k - 1 ] \, as demonstrated below. -; -#X text 38 83 where k represents the cutoff frequency in radians. this -generates a single-pole lowpass filter with a 6dB/octave attenuation. -; -#X text 65 66 out = prev + k * (in - prev); -#X text 38 50 onepole~ implements the minimal filter equation:; -#X text 189 220 inlet 2: float or signal sets cutoff frequency (Hz) -; -#X obj 89 221 onepole~ 300; -#X text 187 236 argument initializes frequency; -#N canvas 247 115 494 398 META 0; -#X text 12 175 HELP_PATCH_AUTHORS Christoph Kummerer. Revised by Jonathan -Wilkes for Pd-extended 0.42 to conform to the PDDP template.; -#X text 12 145 WEBSITE http://suita.chopin.edu.pl/~czaja/miXed/externs/cyclone.html -; -#X text 12 5 KEYWORDS signal filter max_compatible; -#X text 12 45 DESCRIPTION single-pole lowpass filter; -#X text 12 65 INLET_0 signal; -#X text 12 85 INLET_1 signal; -#X text 12 105 OUTLET_0 signal; -#X text 12 25 LICENSE SIBSD; -#X text 12 125 AUTHOR Krzysztof Czaja; -#X restore 475 313 pd META; +#X text 111 580 this filter is equivalent to a biquad~ object with +the coefficients \, [ a0 = k \, b1 = k - 1 ] \, as demonstrated above. +; +#X obj 79 420 cnv 17 3 17 empty empty 0 5 9 0 16 -228856 -162280 0 +; +#X floatatom 270 59 5 0 0 0 - - -; +#X text 180 325 - input frequency to be filtered; +#X text 180 352 - set cutoff frequency with float; +#X text 180 372 - set cutoff frequency with signal; +#X obj 152 254 output~; +#X obj 228 274 tabwrite~ \$0onepole; +#X obj 248 252 metro 100; +#X obj 229 253 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0 +1; +#X obj 154 58 phasor~ 250; +#X obj 153 136 cyclone/onepole~ 200; +#X text 180 464 - initial cutoff frequency; +#N canvas 640 655 450 300 view 0; +#N canvas 0 0 450 300 (subpatch) 0; +#X array \$0onepole 1024 float 0; +#X coords 0 1 1023 0 200 140 1 0 0; +#X restore 72 56 graph; +#X text 34 218 The array is placed in a sub-patch to prevent audio +dropouts; +#X text 62 50 1; +#X text 61 180 0; +#X obj 3 2 cnv 15 425 20 empty empty empty 3 12 0 14 -204280 -1 0; +#X obj 75 56 hsl 195 140 0 127 0 0 eliminate_outlet eliminate_inlet +empty -2 -8 0 10 -262144 -262144 -262144 0 1; +#X text 6 3 Graph view; +#X restore 361 274 pd view graph; +#X connect 24 0 33 1; +#X connect 30 0 29 0; +#X connect 31 0 30 0; +#X connect 32 0 33 0; +#X connect 33 0 29 0; +#X connect 33 0 28 0; +#X connect 33 0 28 1; |