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/usr/lib/pd/extra/cyclone/abs~-help.pd is in pd-cyclone 0.2~beta3-4.

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#X obj 371 191 *~ 0.2;
#X obj 371 169 *~;
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#X text 107 387 signal;
#X text 107 430 signal;
#X text 96 467 (none);
#X obj 371 113 osc~ 200;
#X obj 449 113 osc~ 220;
#X obj 516 4 abs~;
#X text 162 387 - The signal that was input;
#X text 160 430 - The absolute value of input;
#X text 73 54 abs~ can be used for a rough instantaneous measure of
signal amplitude \, among other things.;
#X text 8 23 converts all signal values to positive values;
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#X text 6 1 Related Objects;
#X restore 206 501 pd Related_objects;
#N canvas 571 307 379 261 META 0;
#X text 1 0 KEYWORDS signal max_compatible;
#X text 1 163 WEBSITE http://suita.chopin.edu.pl/~czaja/miXed/externs/cyclone.html
;
#X text 1 40 DESCRIPTION absolute value of a signal;
#X text 1 60 INLET_0 signal;
#X text 1 80 OUTLET_0 signal;
#X text 1 121 AUTHOR Krzysztof Czaja;
#X text 1 20 LICENSE SIBSD;
#X text 0 101 VERSION 0.2-beta1;
#X text 0 142 RELEASE_DATE 2002;
#X text 1 193 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;
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#X text 282 275 Signal multiplication where the modulator;
#X text 281 288 wave is limited to a positive range produces;
#X text 281 303 amplitude modulation (as opposed to;
#X text 280 318 ring modulation).;
#X obj 78 140 cyclone/abs~;
#X obj 450 141 cyclone/abs~;
#X obj 371 233 output~;
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