1 files changed, 156 insertions, 105 deletions
diff --git a/doc/help/cyclone/svf~-help.pd b/doc/help/cyclone/svf~-help.pd
index ced9c67..8fcc762 100644
--- a/doc/help/cyclone/svf~-help.pd
+++ b/doc/help/cyclone/svf~-help.pd
@@ -1,129 +1,180 @@
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-#X text -1 306 onepole~.help contains yet another example.;
-#X text -1 382 svf~ accepts arguments or max messages to change the
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+#X text 0 18 LICENSE SIBSD;
+#X text 0 180 LIBRARY cyclone;
+#X text 0 0 KEYWORDS signal filter state variable state-variable cutoff
+;
+#X text 0 36 DESCRIPTION state-variable filter;
+#X text 0 54 INLET_0 signal;
+#X text 0 72 INLET_1 signal float;
+#X text 0 90 INLET_2 signal float;
+#X text 0 108 OUTLET_0 signal;
+#X text 0 126 OUTLET_1 signal;
+#X text 0 144 OUTLET_2 signal;
+#X text 0 162 OUTLET_3 signal;
+#X text 0 199 VERSION 0.1-alpha57;
+#X text 0 217 AUTHOR Krzysztof Czaja;
+#X text 1 235 RELEASE_DATE 2002;
+#X text 2 254 WEBSITE http://suita.chopin.edu.pl/~czaja/miXed/externs/cyclone.html
+;
+#X text 2 286 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 500 859 pd META;
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+#X text 6 1 Related Objects;
+#X restore 196 859 pd Related_objects;
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+#X obj 492 9 svf~;
+#X text 13 24 state-variable filter;
+#X obj 79 529 cnv 17 3 33 empty empty 2 5 9 0 16 -228856 -162280 0
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+#X text 107 462 signal;
+#X text 179 462 - signal to filter;
+#X text 107 528 signal;
+#X text 107 546 float;
+#X text 107 486 signal;
+#X text 107 503 float;
+#X text 179 494 - set cutoff frequency;
+#X text 179 536 - set resonance (0-1);
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+#X text 90 689 1) float;
+#X text 90 711 2) float;
+#X text 107 816 Floats or signals can modify these in real-time. The
+value of these parameters is only sampled once per signal vector.;
+#X text 107 770 One of its advantages is that the it produces low-pass
+\, high-pass \, band-pass \, and band-reject (notch) output simultaneously
+- so all four are available in parallel.;
+#X text 107 742 svf~ implements Chamberlin's state-variable filter
+algorithm.;
+#N canvas 541 341 446 460 svf_part2 0;
+#X text 68 324 onepole~.help contains yet another example.;
+#X text 68 400 svf~ accepts arguments or max messages to change the
 frequency input mode. it is generally recommended to set the mode with
 an argument and leave it constant \, to avoid confusion.;
-#X text -1 244 try sweeping the cutoff frequency in linear mode \,
+#X text 68 262 try sweeping the cutoff frequency in linear mode \,
 then in radians mode \, to appreciate the difference. a similar principle
 operates in the amplitude domain \, where exponential audio faders
 are used to match our logarithmic perception of loudness.;
-#X text -51 134 linear;
-#X text -27 81 Hz;
-#X text -1 177 in this mode \, input values from (0 -> 1) are interpreted
+#X text 18 152 linear;
+#X text 42 99 Hz;
+#X text 68 195 in this mode \, input values from (0 -> 1) are interpreted
 as radians \, producing a quarter-cycle sinusoidal mapping to cutoff
 frequencies. this conforms the frequency mapping to a response that
 is closer to our logarithmic perception of pitch.;
-#X text -1 125 this mode is essentially the same \, but with a normalized
+#X text 68 143 this mode is essentially the same \, but with a normalized
 input range. linear input values from (0 -> 1) are mapped to cutoff
 frequencies in the effective range \, (0 -> fs/4).;
-#X text -1 72 this is the default mode. input values set the cutoff
+#X text 68 90 this is the default mode. input values set the cutoff
 frequency directly. therefore \, the input range is the same as the
 cutoff frequency (0 -> fs/4) \, and response is linear.;
-#X text -1 9 svf~ has three different modes for mapping input values
+#X text 68 27 svf~ has three different modes for mapping input values
 onto cutoff frequency. these are mainly for convenience \, but they
 may also improve efficiency slightly.;
-#X text -1 329 since svf~ only samples its control inputs once per
+#X text 68 347 since svf~ only samples its control inputs once per
 vector \, it is more efficient to use the radians mode than to do logarithmic
 scaling outside the object at audio rate.;
-#X text -59 191 radians;
-#X restore 617 344 pd svf_part2;
-#X text 16 12 state-variable filter;
-#X text 8 273 special thanks to 2up;
-#X msg 379 81 0.5;
-#X text 545 118 frequency range is 0 - f(s)/4;
-#X obj 409 151 noise~;
-#X text 8 158 Floats or signals can modify these in real-time. The
-value of these parameters is only sampled once per signal vector.;
-#X text 8 138 Arguments are cutoff frequency (Hz) \, and resonance
-(0-1).;
-#X text 8 93 One of its advantages is that the it produces low-pass
-\, high-pass \, band-pass \, and band-reject (notch) output simultaneously
-- so all four are available in parallel.;
-#X text 8 65 svf~ implements Chamberlin's state-variable filter algorithm.
-;
-#X msg 422 86 37;
-#X text 553 164 left: (signal) filter input;
-#X text 527 254 outputs: lowpass \, highpass \, bandpass \, notch;
-#X text 553 192 right: (signal/float) resonance (0 - 1);
-#X text 553 178 middle: (signal/float) cutoff frequency;
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-#N canvas 40 55 716 389 svf_algorithm 0;
-#X text 242 290 bandstop = lowpass + hipass \;;
-#X text 59 179 this is the dsp loop. note how the calculations work
+#X text 10 209 radians;
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+#X msg 226 170 0.5;
+#X text 191 83 frequency range is 0 - f(s)/4;
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+#X msg 143 110 37;
+#X text 262 352 outputs: lowpass \, highpass \, bandpass \, notch;
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+#X text 150 216 bandstop = lowpass + hipass \;;
+#X text 3 105 this is the dsp loop. note how the calculations work
 together to produce all four outputs simultaneously.;
-#X text 62 123 first \, convert hz to radians (this step is not necessary
+#X text 6 49 first \, convert hz to radians (this step is not necessary
 in radians input mode);
-#X text 44 82 this is the basic algorithm inside svf~:;
-#X text 237 137 cf_radians = sin(2. * PI * cf_hz * x->ifs) \;;
-#X text 242 258 bandpass = bandpass + cf_radians * hipass \;;
-#X text 242 242 hipass = in_samp - lowpass - q * bandpass \;;
-#X text 242 226 lowpass = lowpass + (cf_radians * bandpass) \;;
-#X text 242 274 bandpass = bandpass - (bandpass ^ 3.) * 0.0001 \;;
-#X restore 499 344 pd svf_algorithm;
-#X text 8 240 (float) resonance (0-1);
-#X text 8 226 (float) cutoff frequency (Hz);
-#X text 8 212 arguments (optional):;
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+#X text 159 71 cf_radians = sin(2. * PI * cf_hz * x->ifs) \;;
+#X text 150 184 bandpass = bandpass + cf_radians * hipass \;;
+#X text 150 168 hipass = in_samp - lowpass - q * bandpass \;;
+#X text 150 152 lowpass = lowpass + (cf_radians * bandpass) \;;
+#X text 150 200 bandpass = bandpass - (bandpass ^ 3.) * 0.0001 \;;
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+#X text 6 32;
+#X text 6 5 the basic algorithm inside svf~;
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-#X text 12 255 HELP_PATCH_AUTHORS Christoph Kummerer. Revised by Jonathan
-Wilkes for Pd-extended 0.42 to conform to the PDDP template.;
-#X text 12 225 WEBSITE http://suita.chopin.edu.pl/~czaja/miXed/externs/cyclone.html
+#X text 107 578 signal;
+#X text 179 578 - lowpass signal;
+#X text 107 603 signal;
+#X text 179 603 - highpass signal;
+#X text 107 626 signal;
+#X text 179 626 - bandpass signal;
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-#X text 12 5 KEYWORDS signal filter max_compatible;
-#X text 12 65 INLET_0 signal;
-#X text 12 85 INLET_1 signal;
-#X text 12 105 INLET_2 signal;
-#X text 12 125 OUTLET_0 signal;
-#X text 12 145 OUTLET_1 signal;
-#X text 12 165 OUTLET_2 signal;
-#X text 12 185 OUTLET_3 signal;
-#X text 12 45 DESCRIPTION state-variable filter;
-#X text 12 205 AUTHOR Krzysztof Czaja;
-#X text 12 25 LICENSE SIBSD;
-#X restore 751 344 pd META;
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+#X text 107 651 signal;
+#X text 179 651 - notch signal;
+#X text 179 686 - initial cutoff frequency (Hz);
+#X text 179 710 - initial resonance (0-1);
+#X obj 109 381 *~ 0.7;
+#X obj 109 410 output~;
+#X obj 109 261 cyclone/svf~ 797 0.5;
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