1 files changed, 342 insertions, 0 deletions
diff --git a/blosc/blsquare~.pd b/blosc/blsquare~.pd
new file mode 100644
index 0000000..bb9c0d8
--- /dev/null
+++ b/blosc/blsquare~.pd
@@ -0,0 +1,342 @@
+#N canvas 257 128 333 328 10;
+#X text 137 277 copyright by Roman Haefeli;
+#X text 53 304 Published under the GNU Public License;
+#N canvas 0 0 655 649 oscillator 0;
+#N canvas 314 100 514 407 number_of_harmonics_allowed 0;
+#X obj 135 68 / 2;
+#X obj 15 151 /;
+#X obj 15 174 int;
+#X obj 135 44 samplerate~;
+#X obj 15 241 * 0.5;
+#X obj 15 261 int;
+#X obj 15 282 * 2;
+#X obj 15 221 - 1;
+#X obj 15 305 + 1;
+#X obj 15 328 change;
+#X obj 15 199 change;
+#X obj 15 98 t b f;
+#X text 241 49 sr / 2 = nyquist frequency;
+#X obj 15 353 outlet;
+#X obj 14 18 inlet~;
+#X obj 15 121 f;
+#X obj 135 21 loadbang;
+#X text 119 216 harmonics never should exceed the nyquist frequency
+;
+#X obj 15 49 snapshot~;
+#X obj 78 21 bang~;
+#X obj 15 72 change;
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+#X connect 16 0 3 0;
+#X connect 18 0 20 0;
+#X connect 19 0 18 0;
+#X connect 20 0 11 0;
+#X restore 150 113 pd number_of_harmonics_allowed;
+#N canvas 499 174 190 222 raw_square 0;
+#X obj 19 13 inlet~;
+#X obj 19 180 outlet~;
+#X obj 102 18 inlet;
+#X obj 102 43 switch~;
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+#X obj 19 148 *~ 2;
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+#X connect 6 0 7 0;
+#X connect 7 0 4 0;
+#X connect 8 0 1 0;
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+#N canvas 0 0 448 226 bandlimited_square 0;
+#X obj 16 31 inlet~;
+#X obj 71 33 inlet;
+#X obj 261 34 inlet;
+#X obj 17 192 outlet~;
+#X msg 71 96 set \$1;
+#X obj 261 124 switch~;
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+#X text 69 14 choose table;
+#X text 346 17 set phase;
+#X text 256 14 switch dsp;
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+#X obj 17 134 tabosc4~;
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+#X obj 166 192 * 2;
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+#X obj 202 273 == 0;
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+#X text 550 151 phase;
+#X text 350 346 sync phase \, when switching dsp on;
+#X text 188 221 switch to raw square \, when number of allowed harmonics
+exceeds num_of_tables*2;
+#X msg 397 69 get_num_of_tables;
+#X obj 397 91 s BLSQUARE;
+#X obj 397 111 r BLSQUARE;
+#X obj 397 132 route num_of_tables;
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+#X obj 29 272 phasor~;
+#X text 185 81 get the number of tables ->;
+#X obj 150 223 >;
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+#X text 33 494 number of harmononics;
+#X text 32 512 without exceeding nyquist;
+#X text 31 531 at given frequeny:;
+#X text 251 520 best method:;
+#X text 245 595 raw square;
+#X text 246 563 bandlimited square;
+#X text 227 496 |;
+#X text 227 505 |;
+#X text 227 514 |;
+#X text 227 523 |;
+#X text 227 533 |;
+#X text 227 542 |;
+#X text 227 551 |;
+#X text 227 560 |;
+#X text 227 567 |;
+#X text 227 576 |;
+#X text 227 585 |;
+#X text 227 594 |;
+#X text 227 604 |;
+#X text 25 541 __________________________________________________;
+#X text 25 575 __________________________________________________;
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+#X text 32 565 0 < n < num_of_tables*2;
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+#X restore 20 188 pd oscillator;
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+#X msg 221 246 version 0.2.0;
+#N canvas 555 327 605 504 lookup-table-creation 0;
+#N canvas 535 94 265 461 bandlimited_square_sinesum 0;
+#X obj 43 67 until;
+#X obj 21 38 t b f b;
+#X obj 84 67 1;
+#X obj 43 99 f 1;
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+#X obj 43 125 t f f;
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+#X obj 69 274 /;
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+#X obj 142 335 list;
+#X obj 21 363 list;
+#X obj 154 252 b;
+#X obj 21 408 list trim;
+#X obj 21 16 inlet;
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+#X obj 21 386 list prepend sinesum 512;
+#X obj 69 299 * 1.27324;
+#X text 145 298 = 4 / pi;
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+#X msg 136 270 clear;
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+#X obj 15 407 f;
+#X obj 15 474 send;
+#X msg 80 374 obj 10 \$1 table \$2 515;
+#X obj 131 318 makefilename BLSQUARE%d;
+#X text 131 214 for synthesizing a square only odd numbers of harmonics
+;
+#X text 131 231 occur. ( 1 \, 3 \, 5 \, 7 \, etc.);
+#X text 282 374 create the necessary tables;
+#X text 238 439 fill each table with the appropriate sinesum \,;
+#X text 237 457 respectively the appropriate number of harmonics.;
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+#X restore 21 70 pd lookup-table-creation;
+#N canvas 647 5 291 900 \$0-lookup-tables-square 0;
+#X restore 21 105 pd \$0-lookup-tables-square;
+#N canvas 169 33 537 620 singleton-communication 0;
+#X obj 16 69 r BLSQUARE;
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+#X obj 171 77 value BLSQUARE.instance;
+#X obj 171 100 + 1;
+#X obj 149 131 value BLSQUARE.instance;
+#X obj 16 96 spigot;
+#X obj 149 153 == 1;
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+#X obj 127 184 t b b;
+#X msg 270 246 newdollar1 \$1;
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+#X text 189 397 if new is bigger \, use new number_of_tables;
+#X obj 134 373 t f f f;
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+#X obj 18 348 route get_num_of_tables newdollar1;
+#X obj 18 423 \$1;
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+#X restore 21 36 pd singleton-communication;
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