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
126 lines
3.3 KiB
Text
126 lines
3.3 KiB
Text
#N canvas 60 64 790 527 12;
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#X obj 122 381 cos~;
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#X floatatom 173 184 4 0 200 0 - - -;
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#X obj 173 207 / 10;
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#X text 173 103 center;
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#X text 173 123 freq. (in;
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#X text 173 143 tenths of;
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#X text 173 163 fundamental);
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#X floatatom 70 192 4 0 0 0 - - -;
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#X text 46 145 fundamental;
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#X text 46 165 (= mod freq);
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#X text 251 208 index;
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#X text 251 228 (percent);
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#X floatatom 251 249 4 0 500 0 - - -;
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#X obj 251 318 line~;
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#X obj 201 338 *~;
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#X obj 251 272 / 100;
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#X obj 251 295 pack 0 50;
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#X obj 122 358 +~;
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#X text 204 364 modulating;
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#X text 209 381 oscillator;
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#X obj 123 459 output~;
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#X obj 122 428 hip~;
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#N canvas 122 211 558 609 fft 0;
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#X obj 23 55 inlet~;
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#X obj 210 303 inlet;
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#X obj 27 215 rfft~;
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#X obj 27 248 *~;
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#X obj 58 248 *~;
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#X obj 27 278 sqrt~;
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#X obj 334 200 block~ 4096 1;
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#X obj 27 304 biquad~ 0 0 0 0 1;
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#X text 91 216 Fourier series;
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#X text 96 269 magnitude;
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#X text 94 254 calculate;
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#X text 21 3 This subpatch computes the spectrum of the incoming signal
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with a (rectangular windowed) FFT. FFTs aren't properly introduced
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until much later.;
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#X text 83 61 signal to analyze;
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#X text 195 255 delay two samples;
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#X text 193 273 for better graphing;
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#X obj 292 79 samplerate~;
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#X obj 240 352 metro 500;
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#X obj 240 329 inlet;
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#X text 293 327 toggle to graph repeatedly;
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#X text 264 303 bang to graph once;
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#X obj 27 328 /~ 4096;
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#X obj 292 54 bang~;
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#X msg 211 413 \; pd dsp 1;
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#X obj 292 102 / 4096;
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#X obj 58 135 osc~;
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#X obj 58 163 +~ 1;
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#X obj 28 188 *~;
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#X text 113 138 hanning window;
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#X obj 254 79 0.5;
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#X obj 240 390 tabwrite~ F11-spectrum;
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#X connect 0 0 26 0;
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#X connect 1 0 22 0;
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#X connect 1 0 29 0;
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#X connect 2 0 3 0;
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#X connect 2 0 3 1;
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#X connect 2 1 4 0;
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#X connect 2 1 4 1;
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#X connect 3 0 5 0;
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#X connect 4 0 5 0;
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#X connect 5 0 7 0;
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#X connect 7 0 20 0;
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#X connect 15 0 23 0;
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#X connect 16 0 29 0;
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#X connect 17 0 16 0;
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#X connect 17 0 22 0;
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#X connect 20 0 29 0;
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#X connect 21 0 15 0;
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#X connect 21 0 28 0;
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#X connect 23 0 24 0;
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#X connect 24 0 25 0;
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#X connect 25 0 26 1;
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#X connect 26 0 2 0;
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#X connect 28 0 24 1;
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#X restore 176 428 pd fft;
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#X obj 236 407 bng 18 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
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-1;
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#X obj 236 428 tgl 18 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0
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1;
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#X text 257 427 <-- repeatedly;
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#X text 258 407 <-- graph once;
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#X text 530 479 updated for Pd version 0.37;
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#N canvas 0 0 450 300 graph1 0;
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#X array F11-spectrum 259 float 0;
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#X coords 0 0.51 258 -0.008 256 130 1;
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#X restore 514 291 graph;
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#X text 506 422 0;
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#X text 568 432 -- frequency --;
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#X text 743 427 2700;
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#X obj 173 256 *;
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#X obj 173 233 t b f;
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#X obj 201 315 osc~;
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#X obj 122 322 phasor~;
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#X text 31 30 Here's what happens if you just slide the carrier frequency
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around. The spectrum moves up and down all right \, but is only periodic
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at the original period when the center frequency roosts on a harmonic.
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;
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#X text 50 308 carrier;
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#X text 24 325 oscillator;
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#X text 167 6 HOW NOT TO APPLY TWO-COSINE CARRIER TO FM;
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#X connect 0 0 21 0;
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#X connect 0 0 22 0;
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#X connect 1 0 2 0;
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#X connect 2 0 33 0;
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#X connect 7 0 32 0;
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#X connect 7 0 34 0;
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#X connect 12 0 15 0;
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#X connect 13 0 14 1;
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#X connect 14 0 17 1;
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#X connect 15 0 16 0;
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#X connect 16 0 13 0;
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#X connect 17 0 0 0;
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#X connect 21 0 20 0;
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#X connect 21 0 20 1;
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#X connect 23 0 22 1;
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#X connect 24 0 22 2;
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#X connect 32 0 35 0;
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#X connect 33 0 32 0;
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#X connect 33 1 32 1;
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#X connect 34 0 14 0;
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#X connect 35 0 17 0;
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