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 --- .../doc/3.audio.examples/H09.ssb.modulation.pd | 103 --------------------- 1 file changed, 103 deletions(-) delete mode 100644 desiredata/doc/3.audio.examples/H09.ssb.modulation.pd (limited to 'desiredata/doc/3.audio.examples/H09.ssb.modulation.pd') diff --git a/desiredata/doc/3.audio.examples/H09.ssb.modulation.pd b/desiredata/doc/3.audio.examples/H09.ssb.modulation.pd deleted file mode 100644 index c0fbf2df..00000000 --- a/desiredata/doc/3.audio.examples/H09.ssb.modulation.pd +++ /dev/null @@ -1,103 +0,0 @@ -#N canvas 7 6 605 578 12; -#X obj 188 393 cos~; -#X obj 231 371 +~ -0.25; -#X obj 231 394 cos~; -#X obj 23 438 *~; -#X obj 89 438 *~; -#X obj 22 462 -~; -#X floatatom 188 322 5 0 0 0 - - -; -#X text 30 242 sample loop for; -#X text 30 260 test signal; -#X text 35 321 pair of allpass; -#X text 34 338 filters to make; -#X text 34 356 90 degree phase; -#X text 32 373 shifted versions; -#X text 238 323 <-- shift frequency; -#X text 310 356 cosine and sine waves; -#X text 55 7 SINGLE SIDEBAND MODULATION; -#X text 300 7 (AKA FREQUENCY SHIFTING); -#N canvas 555 154 448 326 bell-loop 0; -#X obj 23 142 /; -#X obj 23 214 +~ 1; -#X msg 23 117 44100; -#X obj 23 91 t b f; -#X obj 24 264 outlet~; -#N canvas 0 0 450 300 graph1 0; -#X array \$0-array 155948 float 0; -#X coords 0 1 155947 -1 200 150 1; -#X restore 234 88 graph; -#X obj 23 67 r \$0-totsamps; -#X obj 65 190 r \$0-totsamps; -#X obj 23 190 *~; -#X obj 23 166 phasor~; -#X obj 23 238 tabread4~ \$0-array; -#X connect 0 0 9 0; -#X connect 1 0 10 0; -#X connect 2 0 0 0; -#X connect 3 0 2 0; -#X connect 3 1 0 1; -#X connect 6 0 3 0; -#X connect 7 0 8 1; -#X connect 8 0 1 0; -#X connect 9 0 8 0; -#X connect 10 0 4 0; -#X restore 24 279 pd bell-loop; -#N canvas 711 110 483 471 startup 0; -#X obj 53 335 r readfile; -#X obj 53 388 soundfiler; -#X obj 59 23 loadbang; -#X obj 59 49 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 --1; -#X obj 59 70 f \$0; -#X obj 60 271 /; -#X msg 60 248 44100; -#X obj 60 223 t b f; -#X obj 60 199 r \$0-totsamps; -#X obj 60 294 s \$0-loopf; -#X msg 53 361 read -resize ../sound/bell.aiff \$1; -#X msg 59 102 \; readfile symbol \$1-array \; \$1-totsamps 143718; -#X connect 0 0 10 0; -#X connect 2 0 3 0; -#X connect 3 0 4 0; -#X connect 4 0 11 0; -#X connect 5 0 9 0; -#X connect 6 0 5 0; -#X connect 7 0 6 0; -#X connect 7 1 5 1; -#X connect 8 0 7 0; -#X connect 10 0 1 0; -#X restore 157 530 pd startup; -#X obj 21 495 output~; -#X text 352 547 updated for Pd version 0.39; -#X obj 188 347 phasor~; -#X text 123 438 <-- complex multipier; -#X text 122 455 (calculates real part); -#X text 309 371 to form the real and; -#X text 309 387 imaginary part of a; -#X text 309 404 complex sinusoid; -#X text 43 37 The signal sideband modulator gives you only one sideband -for each frequency in the input signal (whereas ring modulation gave -both a positive and negative sideband). You can set the shift frequency -positive to shift all frequencies upward \, or negative to shift them -downwards.; -#X text 42 117 The technique is to filter the input into two versions -\, 90 degrees out of phase \, which can be interpreted as the real -and imaginary part of a complex signal with positive frequencies only. -You can then form the (complex) product of this with a (complex) sinusoid -to modulate upward or downward in frequency.; -#X obj 23 400 hilbert~; -#X text 42 213 The "Hilbert~" object is an abstraction in pd/extra. -; -#X connect 0 0 3 1; -#X connect 1 0 2 0; -#X connect 2 0 4 1; -#X connect 3 0 5 0; -#X connect 4 0 5 1; -#X connect 5 0 19 0; -#X connect 5 0 19 1; -#X connect 6 0 21 0; -#X connect 17 0 29 0; -#X connect 21 0 1 0; -#X connect 21 0 0 0; -#X connect 29 0 3 0; -#X connect 29 1 4 0; -- cgit v1.2.1