/usr/lib/pd/extra/fftease/pvcompand~-help.pd is in pd-fftease 2.5.2.git20121005-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | #N canvas 854 454 487 362 10;
#N canvas 0 22 458 308 pvcompand-block 0;
#X obj 231 190 block~ 256;
#X obj 231 133 pvcompand~;
#X obj 231 86 inlet~;
#X obj 296 94 inlet;
#X obj 362 117 inlet;
#X obj 231 159 outlet~;
#X connect 1 0 5 0;
#X connect 2 0 1 0;
#X connect 3 0 1 1;
#X connect 4 0 1 0;
#X restore 121 99 pd pvcompand-block;
#X obj 121 139 dac~;
#N canvas 0 22 466 316 messages 0;
#X obj 203 227 outlet;
#X obj 281 174 fftease-system;
#N canvas 181 394 454 304 init 0;
#X obj 97 48 loadbang;
#X obj 97 182 outlet;
#X obj 262 124 s compandslider;
#X msg 262 97 -6;
#X text 105 152 attempt to preserve overall amplitude;
#X msg 97 130 normalize \$1;
#X obj 97 103 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 1
;
#X msg 97 83 1;
#X connect 0 0 3 0;
#X connect 0 0 7 0;
#X connect 3 0 2 0;
#X connect 5 0 1 0;
#X connect 6 0 5 0;
#X connect 7 0 6 0;
#X restore 203 153 pd init;
#X connect 1 0 0 0;
#X connect 2 0 0 0;
#X restore 242 69 pd messages;
#X msg 211 165 \; pd dsp \$1;
#X obj 211 143 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0
1;
#X floatatom 181 78 5 0 0 0 - compand-factor -;
#X obj 123 229 hsl 128 15 -60 60 0 0 compand-factor compandslider compand-factor
-2 -6 0 8 -258842 -1 -1 5115 1;
#X text 256 230 -> expansion;
#X text 17 230 compression <-;
#X text 23 258 pvcompand~ either expands or compresses the differences
between the amplitudes of the spectral frames. The threshold is interpreted
as dB and useful ranges are from about -60 to +60. Positive values
increase the "peakiness" of the sound and negative values tend to whiten
the spectrum.;
#N canvas 179 221 661 474 sound-source 0;
#X text 13 300 try a vocal sound or other sound with strong formant
structure;
#X obj 31 194 soundfiler;
#X obj 31 160 openpanel;
#N canvas 0 22 450 300 graph1 0;
#X array pvcompand-sound1 4e+06 float 2;
#X coords 0 1 4e+06 -1 200 140 1;
#X restore 237 13 graph;
#X msg 31 131 bang;
#X obj 227 284 outlet~;
#X msg 227 244 bang;
#X obj 348 228 spigot;
#X obj 385 205 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1
1;
#X text 63 132 open the sound;
#X text 133 244 then play it;
#X text 304 190 loop if you like;
#X obj 227 268 tabplay~ pvcompand-sound1;
#X msg 31 177 read -resize \$1 pvcompand-sound1;
#X connect 2 0 13 0;
#X connect 4 0 2 0;
#X connect 6 0 12 0;
#X connect 7 0 6 0;
#X connect 8 0 7 1;
#X connect 12 0 5 0;
#X connect 12 1 7 0;
#X connect 13 0 1 0;
#X restore 121 38 pd sound-source;
#X text 232 39 <- first load sound here;
#X connect 0 0 1 0;
#X connect 0 0 1 1;
#X connect 2 0 0 2;
#X connect 4 0 3 0;
#X connect 5 0 0 1;
#X connect 10 0 0 0;
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