e85d191b46
- 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
103 lines
3 KiB
Text
103 lines
3 KiB
Text
#N canvas 7 6 605 578 12;
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#X obj 188 393 cos~;
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#X obj 231 371 +~ -0.25;
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#X obj 231 394 cos~;
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#X obj 23 438 *~;
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#X obj 89 438 *~;
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#X obj 22 462 -~;
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#X floatatom 188 322 5 0 0 0 - - -;
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#X text 30 242 sample loop for;
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#X text 30 260 test signal;
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#X text 35 321 pair of allpass;
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#X text 34 338 filters to make;
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#X text 34 356 90 degree phase;
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#X text 32 373 shifted versions;
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#X text 238 323 <-- shift frequency;
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#X text 310 356 cosine and sine waves;
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#X text 55 7 SINGLE SIDEBAND MODULATION;
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#X text 300 7 (AKA FREQUENCY SHIFTING);
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#N canvas 555 154 448 326 bell-loop 0;
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#X obj 23 142 /;
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#X obj 23 214 +~ 1;
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#X msg 23 117 44100;
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#X obj 23 91 t b f;
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#N canvas 0 0 450 300 graph1 0;
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#X array \$0-array 155948 float 0;
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#X restore 234 88 graph;
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#X obj 23 67 r \$0-totsamps;
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#X obj 65 190 r \$0-totsamps;
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#X obj 23 190 *~;
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#X obj 23 166 phasor~;
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#X obj 23 238 tabread4~ \$0-array;
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#X restore 24 279 pd bell-loop;
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#N canvas 711 110 483 471 startup 0;
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#X obj 53 335 r readfile;
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#X obj 53 388 soundfiler;
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-1;
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#X obj 60 294 s \$0-loopf;
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#X msg 53 361 read -resize ../sound/bell.aiff \$1;
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#X msg 59 102 \; readfile symbol \$1-array \; \$1-totsamps 143718;
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#X restore 157 530 pd startup;
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#X obj 21 495 output~;
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#X text 352 547 updated for Pd version 0.39;
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#X obj 188 347 phasor~;
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#X text 123 438 <-- complex multipier;
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#X text 122 455 (calculates real part);
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#X text 309 371 to form the real and;
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#X text 309 387 imaginary part of a;
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#X text 309 404 complex sinusoid;
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#X text 43 37 The signal sideband modulator gives you only one sideband
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for each frequency in the input signal (whereas ring modulation gave
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both a positive and negative sideband). You can set the shift frequency
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positive to shift all frequencies upward \, or negative to shift them
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downwards.;
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#X text 42 117 The technique is to filter the input into two versions
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\, 90 degrees out of phase \, which can be interpreted as the real
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and imaginary part of a complex signal with positive frequencies only.
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You can then form the (complex) product of this with a (complex) sinusoid
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to modulate upward or downward in frequency.;
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#X obj 23 400 hilbert~;
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#X text 42 213 The "Hilbert~" object is an abstraction in pd/extra.
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;
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