From 8dbec761cf858ea65900c8a094599857208d8c3a Mon Sep 17 00:00:00 2001 From: "N.N." Date: Tue, 5 Jan 2010 22:49:36 +0000 Subject: svn path=/trunk/; revision=12907 --- desiredata/doc/3.audio.examples/E09.FM.spectrum.pd | 139 --------------------- 1 file changed, 139 deletions(-) delete mode 100644 desiredata/doc/3.audio.examples/E09.FM.spectrum.pd (limited to 'desiredata/doc/3.audio.examples/E09.FM.spectrum.pd') diff --git a/desiredata/doc/3.audio.examples/E09.FM.spectrum.pd b/desiredata/doc/3.audio.examples/E09.FM.spectrum.pd deleted file mode 100644 index 21094b41..00000000 --- a/desiredata/doc/3.audio.examples/E09.FM.spectrum.pd +++ /dev/null @@ -1,139 +0,0 @@ -#N canvas 127 136 697 536 12; -#X obj 94 188 *~; -#X obj 136 188 line~; -#X obj 18 179 cos~; -#X obj 18 154 +~; -#X obj 136 165 pack 0 50; -#X floatatom 136 117 0 0 0 0 - - -; -#X obj 136 141 / 100; -#X obj 18 129 phasor~; -#X obj 18 284 output~; -#X obj 17 253 hip~; -#X text 442 513 updated for Pd version 0.37; -#N canvas 122 211 558 609 fft 1; -#X obj 19 61 inlet~; -#X obj 208 212 inlet; -#X obj 29 92 rfft~; -#X obj 29 125 *~; -#X obj 60 125 *~; -#X obj 29 155 sqrt~; -#X obj 332 109 block~ 4096 1; -#X obj 29 181 biquad~ 0 0 0 0 1; -#X text 93 93 Fourier series; -#X text 98 146 magnitude; -#X text 96 131 calculate; -#X text 21 3 This subpatch computes the spectrum of the incoming signal -with a (rectangular windowed) FFT. FFTs aren't properly introduced -until much later.; -#X text 83 61 signal to analyze; -#X text 193 164 delay two samples; -#X text 191 182 for better graphing; -#X obj 19 459 samplerate~; -#X obj 19 436 bng 18 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 --1; -#X floatatom 19 506 5 0 0 0 - - -; -#X obj 19 482 / 256; -#X obj 19 412 loadbang; -#X obj 75 528 s fundamental; -#X text 17 359 At load time \, calculate a good choice of fundamental -frequency for showing spectra: the 16th bin in a 4096-point spectrum -\, so SR*16/4096 or SR/256.; -#X obj 231 259 metro 500; -#X obj 231 236 inlet; -#X text 284 234 toggle to graph repeatedly; -#X text 262 212 bang to graph once; -#X obj 19 295 tabwrite~ E09-signal; -#X obj 231 298 tabwrite~ E09-spectrum; -#X obj 19 528 t b f; -#X msg 19 551 \; cm 6; -#X text 25 585 set carrier multiplier after fundamental; -#X obj 29 205 /~ 4096; -#X msg 209 322 \; pd dsp 1; -#X connect 0 0 2 0; -#X connect 0 0 26 0; -#X connect 1 0 26 0; -#X connect 1 0 27 0; -#X connect 1 0 32 0; -#X connect 2 0 3 0; -#X connect 2 0 3 1; -#X connect 2 1 4 0; -#X connect 2 1 4 1; -#X connect 3 0 5 0; -#X connect 4 0 5 0; -#X connect 5 0 7 0; -#X connect 7 0 31 0; -#X connect 15 0 18 0; -#X connect 16 0 15 0; -#X connect 17 0 28 0; -#X connect 18 0 17 0; -#X connect 19 0 16 0; -#X connect 22 0 26 0; -#X connect 22 0 27 0; -#X connect 23 0 22 0; -#X connect 23 0 32 0; -#X connect 28 0 29 0; -#X connect 28 1 20 0; -#X connect 31 0 27 0; -#X restore 62 243 pd fft; -#X obj 122 222 bng 18 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 --1; -#X obj 122 243 tgl 18 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 -1; -#X text 143 242 <-- repeatedly; -#X text 144 222 <-- graph once; -#N canvas 0 0 450 300 graph1 0; -#X array E09-signal 882 float 0; -#X coords 0 1.02 882 -1.02 200 80 1; -#X restore 433 28 graph; -#N canvas 0 0 450 300 graph1 0; -#X array E09-spectrum 259 float 0; -#X coords 0 0.51 258 -0.008 259 130 1; -#X restore 403 175 graph; -#X text 442 114 ---- 0.02 seconds ----; -#X text 433 306 2; -#X text 464 306 4; -#X text 403 306 0; -#X text 441 321 -- partial number --; -#X text 497 8 WAVEFORM; -#X text 497 157 SPECTRUM; -#X text 663 291 0; -#X text 664 173 0.5; -#X obj 93 117 osc~; -#X obj 93 86 r fundamental; -#X text 171 117 index (x100); -#X text 496 306 6; -#X text 529 306 8; -#X text 557 306 10; -#X text 589 306 12; -#X text 621 306 14; -#X text 43 3 SPECTRUM OF TWO-OPERATOR PHASE MODULATION; -#X floatatom 18 58 3 0 15 0 - - -; -#X obj 18 105 *; -#X obj 18 33 r cm; -#X text 52 57 carrier harmonic #; -#X text 71 367 This patch measures the spectrum of two-operator phase -modulation. The carrier frequency is initially six times the modulation -frequency \, but you can change it with the "carrier harmonic #" control. -Changing the index changes the relative strengths of the harmonics. -Past a certain index (which depends on the carrier frequency) the lower -sidebands begin to reflect about the left edge of the spectrum \, causing -complicated interference effects.; -#X connect 0 0 3 1; -#X connect 1 0 0 1; -#X connect 2 0 9 0; -#X connect 2 0 11 0; -#X connect 3 0 2 0; -#X connect 4 0 1 0; -#X connect 5 0 6 0; -#X connect 6 0 4 0; -#X connect 7 0 3 0; -#X connect 9 0 8 0; -#X connect 9 0 8 1; -#X connect 12 0 11 1; -#X connect 13 0 11 2; -#X connect 27 0 0 0; -#X connect 28 0 27 0; -#X connect 28 0 37 1; -#X connect 36 0 37 0; -#X connect 37 0 7 0; -#X connect 38 0 36 0; -- cgit v1.2.1