/usr/lib/pd/extra/cyclone/rampsmooth~-help.pd is in pd-cyclone 0.2~beta1-2.
This file is owned by root:root, with mode 0o644.
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#X text 0 19 LICENSE SIBSD;
#X text 0 95 LIBRARY cyclone;
#X text 0 76 OUTLET_0 signal;
#X text 0 0 KEYWORDS signal ramp smooth;
#X text 0 38 DESCRIPTION smooth out an incoming signal via a ramp;
#X text 0 57 INLET_0 signal ramp rampup rampdown;
#X text 0 116 VERSION 0.2-beta1;
#X text 0 134 AUTHOR Krzysztof Czaja;
#X text 1 152 RELEASE_DATE 2002;
#X text 2 171 WEBSITE http://suita.chopin.edu.pl/~czaja/miXed/externs/cyclone.html
;
#X text 2 203 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 12 23 smooth out an incoming signal via a ramp;
#X text 111 392 signal;
#X text 231 392 - incoming signal to smooth out;
#X msg 329 190 rampdown \$1;
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#X msg 242 190 rampup \$1;
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#X text 111 529 signal;
#X text 231 529 - output ramped signal;
#X text 93 566 1) float;
#X text 93 587 2) float;
#X text 231 566 - rampup value;
#X text 231 587 - rampdown value;
#X text 111 428 rampup <float>;
#X text 111 410 ramp <float>;
#X text 111 446 rampdown <float>;
#X text 231 428 - set rampup value;
#X text 38 43 rampsmooth~ smooths an incoming signal across n samples.
Each time an incoming value changes \, it begins a linear ramp of n
samples to reach this value. Useful for envelope following and lowpass
filtering. The number of samples is specified either as arguments or
with the ramp \, rampup \, rampdown messages.;
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#X text 231 446 - set rampdown value;
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#X text 231 410 - set both ramp values;
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#X text 426 88 slow up \, fast down;
#X text 427 109 fast up \, slow down;
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#X text 311 75 rampdown;
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#X text 11 21 alternate ramp control;
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