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author | N.N. <matju@users.sourceforge.net> | 2010-01-05 22:49:36 +0000 |
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committer | N.N. <matju@users.sourceforge.net> | 2010-01-05 22:49:36 +0000 |
commit | 8dbec761cf858ea65900c8a094599857208d8c3a (patch) | |
tree | 3228c023f87f23a354da3b57fdc2afe5b7052032 /desiredata/doc/3.audio.examples/E10.complex.FM.pd | |
parent | 529e59635598e2d90a7a49f6b4c676f8366109ba (diff) |
svn path=/trunk/; revision=12907
Diffstat (limited to 'desiredata/doc/3.audio.examples/E10.complex.FM.pd')
-rw-r--r-- | desiredata/doc/3.audio.examples/E10.complex.FM.pd | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/desiredata/doc/3.audio.examples/E10.complex.FM.pd b/desiredata/doc/3.audio.examples/E10.complex.FM.pd deleted file mode 100644 index 094d68ed..00000000 --- a/desiredata/doc/3.audio.examples/E10.complex.FM.pd +++ /dev/null @@ -1,156 +0,0 @@ -#N canvas 165 123 695 505 12; -#X obj 94 247 *~; -#X obj 109 223 line~; -#X obj 18 179 cos~; -#X obj 18 154 +~; -#X obj 109 200 pack 0 50; -#X floatatom 109 152 0 0 300 0 - - -; -#X obj 109 176 / 100; -#X obj 18 129 phasor~; -#X obj 20 340 output~; -#X obj 19 309 hip~; -#X text 437 472 updated for Pd version 0.37; -#N canvas 62 299 558 609 fft 0; -#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 16 425 samplerate~; -#X obj 16 402 bng 18 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 --1; -#X floatatom 16 472 5 0 0 0 - - -; -#X obj 16 448 / 256; -#X obj 16 378 loadbang; -#X obj 72 494 s fundamental; -#X text 14 319 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 220 257 metro 500; -#X obj 220 234 inlet; -#X text 273 232 toggle to graph repeatedly; -#X text 262 212 bang to graph once; -#X obj 16 494 t b f; -#X obj 19 295 tabwrite~ E10-signal; -#X obj 208 295 tabwrite~ E10-spectrum; -#X text 72 536 set carrier multiplier and modulation multipliers after -fundamental; -#X msg 16 516 \; cm 8 \; m1 2 \; m2 3; -#X connect 0 0 2 0; -#X connect 0 0 27 0; -#X connect 1 0 27 0; -#X connect 1 0 28 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 28 0; -#X connect 15 0 18 0; -#X connect 16 0 15 0; -#X connect 17 0 26 0; -#X connect 18 0 17 0; -#X connect 19 0 16 0; -#X connect 22 0 27 0; -#X connect 22 0 28 0; -#X connect 23 0 22 0; -#X connect 26 0 30 0; -#X connect 26 1 20 0; -#X restore 65 311 pd fft; -#X obj 125 290 bng 18 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 --1; -#X obj 125 311 tgl 18 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 -1; -#X text 146 310 <-- repeatedly; -#X text 147 290 <-- graph once; -#N canvas 0 0 450 300 graph1 0; -#X array E10-spectrum 259 float 0; -#X coords 0 2100 258 -20 259 130 1; -#X restore 396 122 graph; -#X text 426 253 2; -#X text 457 253 4; -#X text 396 253 0; -#X text 434 268 -- partial number --; -#X text 490 104 SPECTRUM; -#X text 656 238 0; -#X text 657 120 0.5; -#X obj 93 128 osc~; -#X obj 267 79 r fundamental; -#X text 489 253 6; -#X text 522 253 8; -#X text 550 253 10; -#X text 582 253 12; -#X text 614 253 14; -#X floatatom 18 58 3 0 15 0 - - -; -#X obj 18 105 *; -#X obj 18 33 r cm; -#X text 43 3 SPECTRUM OF COMPLEX PHASE MODULATION; -#X text 23 73 carrier; -#X obj 93 107 *; -#X floatatom 93 60 3 0 15 0 - - -; -#X text 99 74 mod 1; -#X obj 93 35 r m1; -#X text 138 154 index1; -#X obj 197 249 *~; -#X obj 212 225 line~; -#X obj 212 202 pack 0 50; -#X floatatom 212 154 0 0 300 0 - - -; -#X obj 212 178 / 100; -#X obj 196 130 osc~; -#X obj 196 109 *; -#X floatatom 196 62 3 0 15 0 - - -; -#X text 202 76 mod 2; -#X text 246 154 index2; -#X obj 196 37 r m2; -#X text 126 349 Now we introduce a second modulator oscillator. The -carrier is on the 8th harmonic and the two modulators are at 2 and -3 times the fundamental. When either index of modulation is zero \, -changing the other index gives the familiar 2-operator FM result. But -if index2 is nonzero (try around 10 \, for example) then sliding index1 -upward from 0 introduces sidebands around each of the sidebands.; -#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 24 0 0 0; -#X connect 25 0 32 1; -#X connect 25 0 36 1; -#X connect 25 0 47 1; -#X connect 31 0 32 0; -#X connect 32 0 7 0; -#X connect 33 0 31 0; -#X connect 36 0 24 0; -#X connect 37 0 36 0; -#X connect 39 0 37 0; -#X connect 41 0 3 1; -#X connect 42 0 41 1; -#X connect 43 0 42 0; -#X connect 44 0 45 0; -#X connect 45 0 43 0; -#X connect 46 0 41 0; -#X connect 47 0 46 0; -#X connect 48 0 47 0; -#X connect 51 0 48 0; |