pd-fftease 2.5.2.git20121005-2 / usr / lib / pd / extra / fftease / mindwarp~-help.pd

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#N canvas 61 22 766 791 10;
#X obj 384 435 dac~;
#X floatatom 124 121 5 0.1 3 2 transpose transpose -;
#X msg 500 486 \; pd dsp \$1;
#X obj 500 467 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0
1;
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-1 -1 1600 1;
#N canvas 0 22 494 344 messages 0;
#X obj 154 185 outlet;
#X obj 154 136 fftease-system;
#X connect 1 0 0 0;
#X restore 210 338 pd messages;
#X obj 227 512 hsl 128 15 0 0.01 0 0 empty empty empty -2 -6 0 8 -227712
-1 -1 0 1;
#X obj 224 538 s thresh;
#X obj 82 538 s transpose;
#X obj 82 460 loadbang;
#X msg 82 491 1;
#N canvas 0 22 550 400 mindwarp-block 0;
#X obj 27 158 outlet~;
#X obj 27 42 inlet~;
#X obj 73 14 inlet;
#X obj 120 49 inlet;
#X obj 213 69 inlet;
#X text 107 105 args: warp factor \, shape width \, overlap \, winfac
;
#X obj 27 85 mindwarp~ 1 16;
#X obj 28 183 block~ 256;
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#X restore 96 364 pd mindwarp-block;
#N canvas 1171 182 470 320 pvoc-block 0;
#X obj 102 141 pvoc~;
#X obj 102 199 outlet~;
#X obj 102 50 inlet~;
#X obj 117 94 inlet;
#X obj 233 94 inlet;
#X obj 270 115 block~ 256;
#X obj 164 95 inlet;
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#X connect 6 0 0 2;
#X restore 96 194 pd pvoc-block;
#X text 176 274 warp factor;
#X floatatom 172 316 5 1 16 0 - - -;
#N canvas 990 218 520 409 playsound 0;
#X obj 31 194 soundfiler;
#X obj 31 160 openpanel;
#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 text 316 205 comment;
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#X array mindwarp-sound1 302338 float 2;
#X coords 0 1 302337 -1 200 140 1;
#X restore 231 21 graph;
#X obj 227 268 tabplay~ mindwarp-sound1;
#X msg 31 177 read -resize \$1 mindwarp-sound1;
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#X msg 65 126 highfreq \$1;
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#X msg 65 83 8000;
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#X obj 201 51 loadbang;
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#X restore 182 174 pd messages;
#X msg 384 314 set mindwarp-raw;
#X obj 384 409 receive~ mindwarp-warped;
#X msg 384 333 set mindwarp-pvoc;
#X msg 384 352 set mindwarp-warped;
#X obj 129 396 send~ mindwarp-warped;
#X obj 119 228 send~ mindwarp-pvoc;
#X obj 108 73 send~ mindwarp-raw;
#X text 380 290 select listening point:;
#X text 503 314 original sound;
#X text 511 335 pvoc transposed;
#X text 523 352 post-pvoc formant-adjusted;
#X text 82 577 mindwarp~ performs spectral envelope warping. It can
be used to correct for the formant shifting effects of pitch-scaling.
The warp factor is tuned to warp spectra to compensate for directly
corresponding pitch-scaling values. For example \, if you have pitch-scaled
a signal by a factor of two \, increasing its frequency content by
an octave \, by providing mindwarp~ with a warp factor of 2 and the
pitch-scaled signal \, mindwarp~ will restore the spectral formant
of the signal to an estimation of the shape present in the original
unscaled signal. Currently \, warp factor values are restricted to
the range [1/16 ... 16.]. mindwarp~ utilizes frequency shaping to perform
its duty. It can be fun to decorrelate the warp factor from the transposition
factor.;
#X text 190 32 <- first load a soundfile here;
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#X text 214 316 shape width;
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#X msg 224 476 1e-05;
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