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updated help file
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@ericlyon
ericlyon committed Mar 15, 2021
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239 changes: 115 additions & 124 deletions arrayfilt~-help.pd
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#X obj 31 238 dac~;
#X obj 31 81 noise~;
#X text 32 36 arrayfilt~ filters a sound with the contents of an array
\, so that filters can be drawn by hand;
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#X obj 31 178 *~ 0.05;
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#X obj 121 171 cartopol~;
#X obj 122 289 poltocar~;
#X obj 122 319 rifft~;
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#X coords 0 1 513 0 400 140 1 0 0;
#X restore 525 133 graph;
#X msg 428 432 \; arrayfilt1 const 0;
#X obj 678 443 tabwrite arrayfilt1;
#X msg 678 363 1 \$1;
#X obj 678 400 unpack f f;
#X floatatom 678 324 5 0 0 0 - - -;
#X text 715 323 set a range of bin gains to 1;
#X text 549 437 zero out array;
#X obj 77 227 arrayfilt~ arrayfilt1;
#X text 644 102 Size the filter to (FFT size / 2) + 1;
#X text 879 103 in this case \, 513;
#X obj 796 467 tabwrite arrayfilt1;
#X msg 796 387 1 \$1;
#X obj 796 424 unpack f f;
#X floatatom 796 348 5 0 0 0 - - -;
#X text 833 347 set a range of bin gains to 1;
#X text 570 438 zero out array;
#X text 934 214 draw into array to change filter properties;
#X text 542 475 flat response;
#X text 563 476 flat response;
#X msg 427 469 \; arrayfilt1 const 1;
#X text 120 444 set FFT size to 1024 \, with an overlap of 8;
#X connect 0 0 2 0;
#X connect 2 0 3 0;
#X connect 3 0 5 0;
#X connect 3 1 5 1;
#X connect 5 0 25 0;
#X connect 5 1 25 1;
#X connect 6 0 7 0;
#X connect 6 1 7 1;
#X connect 7 0 9 0;
#X connect 8 0 1 0;
#X connect 9 0 8 0;
#X connect 10 0 13 1;
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#X connect 12 0 13 0;
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#X restore 31 113 pd array-fft-block;
#X obj 26 4 cnv 15 155 25 empty empty LyonPotpourri 20 12 1 18 -260097
-204786 0;
#X text 79 224 A demonstration of using fft primitives with a simple
#X text 69 455 set FFT size to 1024 \, with an overlap of 8;
#X obj 65 214 lyonpotpourri/arrayfilt~ arrayfilt1;
#X obj 65 87 lyonpotpourri/windowvec~;
#X obj 65 160 lyonpotpourri/cartopol~;
#X obj 65 277 lyonpotpourri/poltocar~;
#X obj 65 386 lyonpotpourri/windowvec~;
#X text 644 101 Size the filter to (FFT size / 2) + 1 \, in this case
513;
#X connect 0 0 26 0;
#X connect 2 0 27 0;
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#X connect 4 0 5 0;
#X connect 5 0 29 0;
#X connect 6 0 9 1;
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#X connect 28 0 4 0;
#X connect 28 1 4 1;
#X connect 29 0 1 0;
#X restore 26 189 pd array-fft-block;
#X text 163 187 A demonstration of using fft primitives with a simple
external that operates on bin magnitudes;
#X connect 1 0 5 0;
#X connect 3 0 4 1;
#X connect 4 0 0 0;
#X connect 4 0 0 1;
#X connect 5 0 4 0;
#X obj 26 229 lpp-meters;
#X obj 27 16 lpp-icon arrayfilt~;
#X text 27 112 [arrayfilt~] filters a sound with the contents of an
array \, so that filters can be drawn by hand;
#X text 229 52 - use an array as a magnitude spectrum filter;
#X connect 0 0 1 0;
#X connect 1 0 3 0;
#X connect 1 0 3 1;

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