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authorN.N. <matju@users.sourceforge.net>2010-01-05 22:49:36 +0000
committerN.N. <matju@users.sourceforge.net>2010-01-05 22:49:36 +0000
commit8dbec761cf858ea65900c8a094599857208d8c3a (patch)
tree3228c023f87f23a354da3b57fdc2afe5b7052032 /desiredata/doc/3.audio.examples/D14.vibrato.pd
parent529e59635598e2d90a7a49f6b4c676f8366109ba (diff)
svn path=/trunk/; revision=12907
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-#N canvas 80 10 709 653 12;
-#X obj 28 258 r trigger;
-#X obj 28 454 *~;
-#X obj 28 482 *~;
-#X floatatom 63 304 3 0 100 0 - - -;
-#X msg 460 493 \; trigger 0;
-#X obj 28 281 unpack;
-#X floatatom 28 304 1 0 100 0 - - -;
-#X obj 27 533 +~ 0.3;
-#X obj 27 559 cos~;
-#X obj 27 507 osc~;
-#X obj 63 323 mtof;
-#X obj 63 345 sqrt;
-#X obj 63 367 sqrt;
-#X text 572 461 <-- octave up;
-#X msg 460 416 \; trigger 1 60;
-#X msg 460 453 \; trigger 1 72;
-#X text 550 494 <-- release;
-#X text 556 512 is optional;
-#X obj 28 424 *~;
-#X obj 237 404 +~ 1;
-#N canvas 0 0 450 300 graph1 0;
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-#X floatatom 237 312 3 0 0 0 - - -;
-#X obj 237 333 / 6;
-#X obj 237 380 *~;
-#X floatatom 391 333 3 0 0 0 - - -;
-#X text 236 438 since we'll multiply \,;
-#X text 235 453 vibrato output should;
-#X text 235 470 be centered at 1 \, not 0;
-#X text 273 384 multiply by vib depth;
-#X obj 391 361 / 6923;
-#X text 62 425 apply vibrato;
-#X text 66 453 fourth;
-#X text 69 469 power;
-#X text 97 537 waveform;
-#X text 96 517 simple;
-#X text 457 354 4/(exp(log(2)/1200)-1);
-#X text 461 335 conversion factor is;
-#X text 384 295 vibrato depth;
-#X text 383 312 in cents;
-#X text 228 274 vibrato speed;
-#X text 227 291 in Hertz;
-#X obj 28 392 adsr 0 100 200 100 300;
-#X obj 26 587 output~;
-#X text 88 9 USING ADSRS FOR PORTAMENTO AND ADDING VIBRATO TOO;
-#X text 43 30 Portamento can be treated as a special case of an ADSR
-envelope \, with 100 percent sustain. Vibrato is properly computed
-in units of pitch \, but it's also possible to do the job without having
-to convert from pitch to frequency units at the audio rate. To do this
-we just raise the "pitch" to the fourth power \, so that it acts pseudo-exponentially.
-Rather than add vibrato to the ADSR output \, we multiply a signal
-which controls relative frequency. The relative frequency change is
-one plus an oscillator.;
-#X text 439 626 updated for Pd version 0.39;
-#X text 45 185 The table below holds 6 cycles of vibrato with small
-variations to get a not-exactly-repeating vibrato. We thus have to
-divide vibrato frequency by six. You can just use a sine or triangle
-wave if you prefer.;
-#X text 573 426 <-- middle C;
-#X connect 0 0 5 0;
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-#X connect 1 0 2 1;
-#X connect 2 0 9 0;
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