- Reestructuración de ficheros y directorios general
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
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pd-0.44-2/doc/3.audio.examples/H08.heterodyning.pd
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pd-0.44-2/doc/3.audio.examples/H08.heterodyning.pd
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#N canvas 280 49 607 705 12;
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#X text 336 665 updated for Pd version 0.39;
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#X text 109 12 MORE ON MEASURING SPECTRA: HETERODYNING;
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#X obj 46 289 phasor~ 100;
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#X obj 99 343 phasor~;
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#X floatatom 99 320 5 0 999 0 - #0-freq -;
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#X obj 99 395 cos~;
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#X obj 148 395 cos~;
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#X obj 148 370 +~ 0.25;
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#X obj 47 547 snapshot~;
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#N canvas 536 459 382 265 startup 0;
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#X obj 22 24 loadbang;
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#X obj 22 48 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
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-1;
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#X obj 22 67 f \$0;
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#X text 35 195 This subpatch loads initial;
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#X text 31 219 values in number boxes.;
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#X obj 223 132 metro 250;
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#X obj 223 107 r \$0-metro;
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#X obj 223 156 s \$0-tick;
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#X msg 22 91 \; \$1-freq 100 \; \$1-lop 2 \; \$1-metro 1 \; pd dsp
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1;
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#X restore 382 573 pd startup;
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#X obj 47 446 *~;
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#X obj 91 446 *~;
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#X obj 48 471 lop~;
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#X obj 92 471 lop~;
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#X floatatom 153 435 3 0 100 0 - #0-lop -;
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#X text 186 435 <-- responsiveness;
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#X obj 136 547 snapshot~;
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#X obj 161 496 r \$0-tick;
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#X obj 161 517 t b b;
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#X obj 47 643 expr sqrt($f1*$f1+$f2*$f2);
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#X floatatom 47 669 5 0 0 0 - - -;
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#X text 56 248 signal to;
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#X text 58 268 analyze;
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#X text 51 44 Another method for picking out the strengths of partials
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in a sound is heterodyning. We guess the frequency of a partial (as
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in the previous patch) but this time we multiply by a complex exponential
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to frequency-shift the partial down to zero (DC).;
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#X text 47 126 Then a low-pass filter (applied separately on the real
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and imaginary parts) removes all but the DC component thus obtained.
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The result is two audio signals (which we take snapshots of) holding
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the real and imaginary parts of the complex amplitude of the partial
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we want. Compared to the previous method \, this had the advantage
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of reporting the phase of the partial as well as its frequency.;
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#X text 240 358 modulate;
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#X text 237 394 to DC;
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#X text 154 321 <-- test frequency;
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#X text 236 376 test frequency;
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#X text 132 471 low-pass filter;
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#X text 55 596 real;
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#X text 59 611 part;
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#X text 207 589 part;
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#X text 198 574 imaginary;
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#X text 105 670 magnitude;
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