no messagesvn2git-root

svn path=/trunk/externals/iem/iem_adaptfilt/; revision=5455

5 files changed, 1005 insertions, 0 deletions

diff --git a/help/.DS_Store b/help/.DS_Store
new file mode 100644
index 0000000..5008ddf
--- /dev/null
+++ b/help/.DS_Store
diff --git a/help/NLMSCC~-help.pd b/help/NLMSCC~-help.pd
new file mode 100644
index 0000000..78cdff4
--- /dev/null
+++ b/help/NLMSCC~-help.pd
@@ -0,0 +1,274 @@
+#N canvas 284 42 905 668 10;
+#N canvas 0 0 450 300 graph1 0;
+#X array W 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 34 496 graph;
+#X msg 26 246 update \$1;
+#X msg 103 256 beta \$1;
+#X obj 273 25 tgl 15 0 empty empty empty 0 -6 0 8 -225280 -1 -1 0 1
+;
+#X obj 273 46 dsp;
+#X floatatom 273 92 5 0 0 0 - - -;
+#X floatatom 286 71 5 0 0 0 - - -;
+#X obj 277 464 bng 15 150 20 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 423 290 2.arg: <float> learn-rate = beta;
+#X obj 54 276 noise~;
+#X obj 26 59 vradio 15 1 0 8 empty empty empty 0 -6 0 8 -225280 -1
+-1 0;
+#N canvas 165 115 464 314 /SUBPATCH/ 0;
+#X obj 76 61 inlet;
+#X msg 32 163 0;
+#X msg 63 159 1;
+#X msg 97 158 2;
+#X msg 132 156 4;
+#X msg 159 157 8;
+#X msg 191 162 16;
+#X msg 219 164 32;
+#X msg 248 165 64;
+#X obj 76 84 sel 0 1 2 3 4 5 6 7;
+#X obj 32 217 outlet;
+#X connect 0 0 9 0;
+#X connect 1 0 10 0;
+#X connect 2 0 10 0;
+#X connect 3 0 10 0;
+#X connect 4 0 10 0;
+#X connect 5 0 10 0;
+#X connect 6 0 10 0;
+#X connect 7 0 10 0;
+#X connect 8 0 10 0;
+#X connect 9 0 1 0;
+#X connect 9 1 2 0;
+#X connect 9 2 3 0;
+#X connect 9 3 4 0;
+#X connect 9 4 5 0;
+#X connect 9 5 6 0;
+#X connect 9 6 7 0;
+#X connect 9 7 8 0;
+#X restore 26 206 pd;
+#X text 35 38 internal downsampling of update;
+#X msg 97 338 gamma \$1;
+#N canvas 0 0 450 300 graph1 0;
+#X array W_top 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 626 495 graph;
+#N canvas 0 0 450 300 graph1 0;
+#X array W_bottom 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 294 495 graph;
+#X text 76 364 input signal;
+#X text 191 363 desired signal;
+#N canvas 0 0 450 300 graph1 0;
+#X array IR 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 372 32 graph;
+#X obj 55 441 unsig~;
+#X floatatom 55 467 9 0 0 0 - - -;
+#X obj 165 440 unsig~;
+#X floatatom 165 466 9 0 0 0 - - -;
+#X text 27 364 x(n);
+#X text 282 363 d(n);
+#X text 30 409 y(n) = W * x(n);
+#X obj 277 292 FIR~ IR 32;
+#X obj 589 135 loadbang;
+#X text 473 280 (array-sizes have to be >= then FIR_size);
+#X text 423 270 1.arg: <float> number of order of FIR-filter;
+#X text 43 72 update every sample;
+#X text 43 57 stop \, no update;
+#X text 43 87 update every 2nd sample;
+#X text 43 102 update every 4th sample;
+#X text 43 117 update every 8th sample;
+#X text 43 132 update every 16th sample;
+#X text 43 147 update every 32nd sample;
+#X text 43 162 update every 64th sample;
+#N canvas 0 0 474 324 /SUBPATCH/ 0;
+#X obj 48 46 inlet;
+#X obj 205 47 inlet;
+#X msg 205 71 \; IR const 0;
+#X msg 48 120 \; IR 0 0 0 0 0.314287 0.8 0.75 0 0 0 0 -0.7 -0.65 0
+0 0 0.157143 0.128572 0 0 -0.128572 -0.1 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0;
+#X obj 92 84 loadbang;
+#X connect 0 0 3 0;
+#X connect 1 0 2 0;
+#X connect 4 0 3 0;
+#X restore 590 110 pd;
+#X obj 603 92 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 620 89 clear;
+#X obj 590 73 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 607 70 load;
+#X text 652 79 IR;
+#X text 5 396 filtered output signal;
+#X text 169 396 error signal;
+#X text 143 408 e(n) = d(n) - W * x(n);
+#X text 294 458 constrain;
+#X text 294 468 coefficients;
+#N canvas 0 0 825 416 /SUBPATCH/ 0;
+#X obj 43 39 inlet;
+#X obj 446 39 inlet;
+#X obj 92 84 loadbang;
+#X msg 54 114 \; W_top 0 1 0.928572 0.885714 0.857142 0.828571 0.799999
+0.785713 0.757141 0.742855 0.72857 0.714284 0.699998 0.685712 0.671426
+0.642854 0.628569 0.599997 0.571425 0.557139 0.528568 0.514282 0.499996
+0.499996 0.48571 0.471424 0.457138 0.428567 0.414281 0.399995 0.385709
+0.371423 0.357137 0.342851 0.328565 0.31428 0.31428 0.31428 0.31428
+0.299994 0.299994;
+#X msg 43 226 \; W_bottom 0 -1 -0.971428 -0.942857 -0.914286 -0.885714
+-0.857143 -0.828572 -0.814286 -0.785715 -0.757143 -0.728572 -0.7 -0.671429
+-0.657143 -0.642858 -0.614286 -0.585715 -0.571429 -0.557144 -0.528572
+-0.514287 -0.500001 -0.485715 -0.471429 -0.457144 -0.442858 -0.428572
+-0.428572 -0.400001 -0.400001 -0.385715 -0.371429 -0.371429 -0.357144
+-0.357144 -0.342858 -0.328572 -0.314287 -0.285715 -0.285715;
+#X msg 446 226 \; W_bottom 0 -1 -0.857143 -0.728572 -0.671429 -0.614286
+-0.585715 -0.557143 -0.514286 -0.485715 -0.471429 -0.471429 -0.442858
+-0.428572 -0.400001 -0.371429 -0.342858 -0.328572 -0.314286 -0.285715
+-0.285715 -0.271429 -0.271429 -0.271429 -0.271429 -0.271429 -0.271429
+-0.257144 -0.242858 -0.228572 -0.214286 -0.214286 -0.214286 -0.200001
+-0.214287 -0.200001 -0.200001 -0.185715 -0.171429 -0.171429 -0.171429
+;
+#X msg 459 113 \; W_top 0 1 0.842856 0.785713 0.699998 0.642854 0.571425
+0.514282 0.457138 0.442852 0.414281 0.385709 0.342851 0.285708 0.257136
+0.214279 0.199993 0.171421 0.157135 0.142849 0.128564 0.142849 0.142849
+0.142849 0.142849 0.142849 0.128564 0.128564 0.128564 0.128564 0.128564
+0.128564 0.142849 0.142849 0.142849 0.142849 0.157135 0.157135 0.157135
+0.142849 0.142849;
+#X connect 0 0 4 0;
+#X connect 0 0 3 0;
+#X connect 1 0 6 0;
+#X connect 1 0 5 0;
+#X connect 2 0 3 0;
+#X connect 2 0 4 0;
+#X restore 506 576 pd;
+#X obj 519 558 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X obj 506 539 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X msg 277 423 0;
+#X obj 277 443 speedlim 100;
+#X text 499 522 top & bottom;
+#X text 523 536 nonconstrained;
+#X text 536 555 constrained;
+#X obj 84 413 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X obj 237 412 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#N canvas 0 0 470 320 /SUBPATCH/ 0;
+#X obj 137 73 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 1
+;
+#X msg 137 115 39;
+#X msg 137 156 \$1 39;
+#X msg 136 53 1;
+#X obj 137 92 metro 200;
+#X obj 136 24 inlet;
+#X obj 137 135 tabread W;
+#X obj 137 180 tabwrite W;
+#X connect 0 0 4 0;
+#X connect 1 0 6 0;
+#X connect 2 0 7 0;
+#X connect 3 0 0 0;
+#X connect 4 0 1 0;
+#X connect 5 0 3 0;
+#X connect 6 0 2 0;
+#X restore 589 156 pd;
+#X text 614 162 update of W;
+#X text 613 151 graphical;
+#X text 423 310 4.arg: <symbol> table-name of W;
+#X text 423 320 5.arg: <symbol> table-name of lower boundary of W;
+#X text 423 330 6.arg: <symbol> table-name of upper boundary of W;
+#X text 423 300 3.arg: <float> minimum input value gamma;
+#X text 133 318 minimum input value;
+#X msg 103 219 0.1;
+#X msg 97 300 1e-05;
+#X text 156 257 beta [0 .. 2];
+#X text 153 337 gamma [0 .. 1];
+#X obj 458 250 cnv 15 68 17 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#N canvas 0 0 758 363 FORMULAS 0;
+#X obj 168 54 cnv 15 150 40 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X obj 168 125 cnv 15 270 50 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X obj 168 207 cnv 15 510 90 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X text 281 131 beta;
+#X text 232 148 >;
+#X text 233 146 _;
+#X text 233 140 _;
+#X text 278 143 2;
+#X text 341 143 2;
+#X text 312 148 gamma * blocksize);
+#X text 295 148 +;
+#X text 244 148 x[n-i];
+#X text 175 137 my(n) =;
+#X text 224 132 _________________________________;
+#X text 29 138 normalized learn rate:;
+#X text 246 243 <;
+#X text 250 237 |;
+#X text 250 249 |;
+#X text 250 230 |;
+#X text 250 256 |;
+#X text 250 270 |;
+#X text 250 223 |;
+#X text 254 206 _;
+#X text 253 270 _;
+#X text 271 211 W > W_top;
+#X text 265 275 W < W_bottom;
+#X text 260 246 &&(W <= W_top);
+#X text 256 235 (W >= W_bottom);
+#X text 175 243 W(k+1 \, i) =;
+#X text 250 216 |;
+#X text 250 263 |;
+#X text 346 275 ...... W(k+1 \, i) = W_botton(i);
+#X text 334 212 ........ W(k+1 \, i) = W_top(i);
+#X text 174 56 y(n) = W * x(n);
+#X obj 226 58 cnv 11 1 1 empty empty * 0 9 0 14 -225280 -1 0;
+#X text 174 74 e(n) = d(n) - W * x(n);
+#X obj 268 76 cnv 11 1 1 empty empty * 0 9 0 14 -225280 -1 0;
+#X text 120 75 error:;
+#X text 117 57 output:;
+#X text 27 242 coefficient iteration:;
+#X text 358 243 .... W(k+1 \, i) = W(k \, i) + my(n)* e(n)* x(n);
+#X restore 457 249 pd FORMULAS;
+#X obj 54 380 NLMSCC~ 32 0.1 1e-05 W W_bottom W_top;
+#X obj 103 239 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 103 239 5 0 2 0 - - -;
+#X text 139 238 learn-rate;
+#X obj 97 320 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 97 320 5 0 2 0 - - -;
+#X floatatom 26 227 5 0 0 0 - - -;
+#X text 426 221 Normalized Least Mean Square (linear adaptive FIR-filter)
+;
+#X text 455 232 with Coefficient Constraint;
+#X text 422 350 (C) 2005 \, m.noisternig & t.musil \, IEM \, Graz \,
+Austria;
+#X text 450 363 [noisternig \, musil]_AT_iem.at;
+#X connect 1 0 73 0;
+#X connect 2 0 73 0;
+#X connect 3 0 4 0;
+#X connect 4 0 5 0;
+#X connect 4 1 6 0;
+#X connect 9 0 26 0;
+#X connect 9 0 73 0;
+#X connect 10 0 11 0;
+#X connect 11 0 79 0;
+#X connect 13 0 73 0;
+#X connect 19 0 20 0;
+#X connect 21 0 22 0;
+#X connect 26 0 73 1;
+#X connect 27 0 59 0;
+#X connect 39 0 38 1;
+#X connect 41 0 38 0;
+#X connect 50 0 49 1;
+#X connect 51 0 49 0;
+#X connect 52 0 53 0;
+#X connect 53 0 7 0;
+#X connect 67 0 75 0;
+#X connect 68 0 78 0;
+#X connect 73 0 19 0;
+#X connect 73 1 21 0;
+#X connect 73 2 52 0;
+#X connect 75 0 2 0;
+#X connect 78 0 13 0;
+#X connect 79 0 1 0;
diff --git a/help/NLMS~-help.pd b/help/NLMS~-help.pd
new file mode 100644
index 0000000..97702f4
--- /dev/null
+++ b/help/NLMS~-help.pd
@@ -0,0 +1,199 @@
+#N canvas 23 7 909 523 10;
+#N canvas 0 0 450 300 graph1 0;
+#X array W 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 454 335 graph;
+#X msg 25 245 update \$1;
+#X msg 102 255 beta \$1;
+#X obj 272 24 tgl 15 0 empty empty empty 0 -6 0 8 -225280 -1 -1 0 1
+;
+#X obj 272 45 dsp;
+#X floatatom 272 91 5 0 0 0 - - -;
+#X floatatom 285 70 5 0 0 0 - - -;
+#X obj 276 463 bng 15 150 20 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 453 230 2.arg: <float> learn-rate = beta;
+#X obj 53 275 noise~;
+#X obj 25 58 vradio 15 1 0 8 empty empty empty 0 -6 0 8 -225280 -1
+-1 0;
+#N canvas 165 115 464 314 /SUBPATCH/ 0;
+#X obj 76 61 inlet;
+#X msg 32 163 0;
+#X msg 63 159 1;
+#X msg 97 158 2;
+#X msg 132 156 4;
+#X msg 159 157 8;
+#X msg 191 162 16;
+#X msg 219 164 32;
+#X msg 248 165 64;
+#X obj 76 84 sel 0 1 2 3 4 5 6 7;
+#X obj 32 217 outlet;
+#X connect 0 0 9 0;
+#X connect 1 0 10 0;
+#X connect 2 0 10 0;
+#X connect 3 0 10 0;
+#X connect 4 0 10 0;
+#X connect 5 0 10 0;
+#X connect 6 0 10 0;
+#X connect 7 0 10 0;
+#X connect 8 0 10 0;
+#X connect 9 0 1 0;
+#X connect 9 1 2 0;
+#X connect 9 2 3 0;
+#X connect 9 3 4 0;
+#X connect 9 4 5 0;
+#X connect 9 5 6 0;
+#X connect 9 6 7 0;
+#X connect 9 7 8 0;
+#X restore 25 205 pd;
+#X text 34 37 internal downsampling of update;
+#X msg 96 337 gamma \$1;
+#X text 75 363 input signal;
+#X text 190 362 desired signal;
+#N canvas 0 0 450 300 graph1 0;
+#X array IR 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 367 11 graph;
+#X obj 54 440 unsig~;
+#X floatatom 54 466 9 0 0 0 - - -;
+#X obj 174 439 unsig~;
+#X floatatom 174 465 9 0 0 0 - - -;
+#X text 26 363 x(n);
+#X text 281 362 d(n);
+#X text 29 408 y(n) = W * x(n);
+#X obj 276 291 FIR~ IR 32;
+#X obj 618 73 loadbang;
+#X text 503 220 (array-sizes have to be >= then FIR_size);
+#X text 453 210 1.arg: <float> number of order of FIR-filter;
+#X text 42 71 update every sample;
+#X text 42 56 stop \, no update;
+#X text 42 86 update every 2nd sample;
+#X text 42 101 update every 4th sample;
+#X text 42 116 update every 8th sample;
+#X text 42 131 update every 16th sample;
+#X text 42 146 update every 32nd sample;
+#X text 42 161 update every 64th sample;
+#N canvas 0 0 474 324 /SUBPATCH/ 0;
+#X obj 48 46 inlet;
+#X obj 205 47 inlet;
+#X msg 205 71 \; IR const 0;
+#X msg 48 120 \; IR 0 0 0 0 0.314287 0.8 0.75 0 0 0 0 -0.7 -0.65 0
+0 0 0.157143 0.128572 0 0 -0.128572 -0.1 0 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0 0;
+#X obj 92 84 loadbang;
+#X connect 0 0 3 0;
+#X connect 1 0 2 0;
+#X connect 4 0 3 0;
+#X restore 619 48 pd;
+#X obj 632 30 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 649 27 clear;
+#X obj 619 11 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 636 8 load;
+#X text 644 50 IR;
+#X text 4 395 filtered output signal;
+#X text 178 395 error signal;
+#X text 152 407 e(n) = d(n) - W * x(n);
+#X text 293 457 constrain;
+#X text 293 467 coefficients;
+#X msg 276 422 0;
+#X obj 276 442 speedlim 100;
+#X obj 83 412 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X obj 247 411 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#N canvas 0 0 470 320 /SUBPATCH/ 0;
+#X obj 137 73 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 1
+;
+#X msg 137 115 39;
+#X msg 137 156 \$1 39;
+#X msg 136 53 1;
+#X obj 137 92 metro 200;
+#X obj 136 24 inlet;
+#X obj 137 135 tabread W;
+#X obj 137 180 tabwrite W;
+#X connect 0 0 4 0;
+#X connect 1 0 6 0;
+#X connect 2 0 7 0;
+#X connect 3 0 0 0;
+#X connect 4 0 1 0;
+#X connect 5 0 3 0;
+#X connect 6 0 2 0;
+#X restore 618 94 pd;
+#X text 643 100 update of W;
+#X text 642 89 graphical;
+#X text 453 250 4.arg: <symbol> table-name of W;
+#X text 453 240 3.arg: <float> minimum input value gamma;
+#X text 132 317 minimum input value;
+#X msg 102 218 0.1;
+#X msg 96 299 1e-05;
+#X text 155 256 beta [0 .. 2];
+#X text 152 336 gamma [0 .. 1];
+#X obj 455 187 cnv 15 68 17 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#N canvas 0 0 499 295 FORMULAS 0;
+#X obj 167 52 cnv 15 150 40 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X obj 167 123 cnv 15 270 50 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X obj 167 205 cnv 15 260 30 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X text 280 129 beta;
+#X text 231 146 >;
+#X text 232 144 _;
+#X text 232 138 _;
+#X text 277 141 2;
+#X text 340 141 2;
+#X text 311 146 gamma * blocksize);
+#X text 294 146 +;
+#X text 243 146 x[n-i];
+#X text 174 135 my(n) =;
+#X text 223 130 _________________________________;
+#X text 28 136 normalized learn rate:;
+#X text 173 54 y(n) = W * x(n);
+#X obj 225 56 cnv 11 1 1 empty empty * 0 9 0 14 -225280 -1 0;
+#X text 173 72 e(n) = d(n) - W * x(n);
+#X obj 267 74 cnv 11 1 1 empty empty * 0 9 0 14 -225280 -1 0;
+#X text 119 73 error:;
+#X text 116 55 output:;
+#X text 26 210 coefficient iteration:;
+#X text 176 213 W(k+1 \, i) = W(k \, i) + my(n)* e(n)* x(n);
+#X restore 455 187 pd FORMULAS;
+#X obj 102 238 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 102 238 5 0 2 0 - - -;
+#X text 138 237 learn-rate;
+#X obj 96 319 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 96 319 5 0 2 0 - - -;
+#X floatatom 25 226 5 0 0 0 - - -;
+#X text 455 169 Normalized Least Mean Square (linear adaptive FIR-filter)
+;
+#X obj 53 379 NLMS~ 32 0.1 1e-05 W;
+#X text 451 268 (C) 2005 \, m.noisternig & t.musil \, IEM \, Graz \,
+Austria;
+#X text 479 281 [noisternig \, musil]_AT_iem.at;
+#X connect 1 0 70 0;
+#X connect 2 0 70 0;
+#X connect 3 0 4 0;
+#X connect 4 0 5 0;
+#X connect 4 1 6 0;
+#X connect 9 0 24 0;
+#X connect 9 0 70 0;
+#X connect 10 0 11 0;
+#X connect 11 0 68 0;
+#X connect 13 0 70 0;
+#X connect 17 0 18 0;
+#X connect 19 0 20 0;
+#X connect 24 0 70 1;
+#X connect 25 0 51 0;
+#X connect 37 0 36 1;
+#X connect 39 0 36 0;
+#X connect 47 0 48 0;
+#X connect 48 0 7 0;
+#X connect 57 0 64 0;
+#X connect 58 0 67 0;
+#X connect 64 0 2 0;
+#X connect 67 0 13 0;
+#X connect 68 0 1 0;
+#X connect 70 0 17 0;
+#X connect 70 1 19 0;
diff --git a/help/n_CLNLMS~-help.pd b/help/n_CLNLMS~-help.pd
new file mode 100644
index 0000000..ca40d31
--- /dev/null
+++ b/help/n_CLNLMS~-help.pd
@@ -0,0 +1,271 @@
+#N canvas 18 0 998 718 10;
+#N canvas 0 0 450 300 graph1 0;
+#X array 1_W 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 49 517 graph;
+#X msg 25 245 update \$1;
+#X msg 102 255 beta \$1;
+#X obj 438 26 tgl 15 0 empty empty empty 0 -6 0 8 -225280 -1 -1 0 1
+;
+#X obj 438 47 dsp;
+#X floatatom 438 93 5 0 0 0 - - -;
+#X floatatom 451 72 5 0 0 0 - - -;
+#X obj 437 461 bng 15 150 20 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X obj 53 275 noise~;
+#X obj 25 58 vradio 15 1 0 8 empty empty empty 0 -6 0 8 -225280 -1
+-1 0;
+#N canvas 165 115 464 314 /SUBPATCH/ 0;
+#X obj 76 61 inlet;
+#X msg 32 163 0;
+#X msg 63 159 1;
+#X msg 97 158 2;
+#X msg 132 156 4;
+#X msg 159 157 8;
+#X msg 191 162 16;
+#X msg 219 164 32;
+#X msg 248 165 64;
+#X obj 76 84 sel 0 1 2 3 4 5 6 7;
+#X obj 32 217 outlet;
+#X connect 0 0 9 0;
+#X connect 1 0 10 0;
+#X connect 2 0 10 0;
+#X connect 3 0 10 0;
+#X connect 4 0 10 0;
+#X connect 5 0 10 0;
+#X connect 6 0 10 0;
+#X connect 7 0 10 0;
+#X connect 8 0 10 0;
+#X connect 9 0 1 0;
+#X connect 9 1 2 0;
+#X connect 9 2 3 0;
+#X connect 9 3 4 0;
+#X connect 9 4 5 0;
+#X connect 9 5 6 0;
+#X connect 9 6 7 0;
+#X connect 9 7 8 0;
+#X restore 25 205 pd;
+#X text 7 39 internal downsampling of update;
+#X msg 60 337 gamma \$1;
+#X text 75 363 input signal;
+#X text 320 362 desired signal;
+#N canvas 0 0 450 300 graph1 0;
+#X array IR 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 225 23 graph;
+#X obj 54 460 unsig~;
+#X floatatom 54 486 9 0 0 0 - - -;
+#X obj 140 460 unsig~;
+#X floatatom 140 486 9 0 0 0 - - -;
+#X text 411 362 d(n);
+#X obj 777 283 loadbang;
+#X text 687 432 (array-sizes have to be >= then FIR_size);
+#X text 42 71 update every sample;
+#X text 42 56 stop \, no update;
+#X text 42 86 update every 2nd sample;
+#X text 42 101 update every 4th sample;
+#X text 42 116 update every 8th sample;
+#X text 42 131 update every 16th sample;
+#X text 42 146 update every 32nd sample;
+#X text 42 161 update every 64th sample;
+#N canvas 0 0 486 336 /SUBPATCH/ 0;
+#X obj 48 46 inlet;
+#X obj 205 47 inlet;
+#X msg 205 71 \; IR const 0;
+#X obj 92 84 loadbang;
+#X msg 48 120 \; IR 0 0 0 0 0 0 0.314287 0.8 0.75 0 0 0 0 -0.7 -0.65
+0 0 0 0.157143 0.128572 0 0 -0.128572 -0.1 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0;
+#X connect 0 0 4 0;
+#X connect 1 0 2 0;
+#X connect 3 0 4 0;
+#X restore 778 258 pd;
+#X obj 791 240 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 808 237 clear;
+#X obj 778 221 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 795 218 load;
+#X text 840 227 IR;
+#X text 4 395 filtered output signal;
+#X text 324 394 error signal;
+#X text 454 455 constrain;
+#X text 454 465 coefficients;
+#X msg 437 420 0;
+#X obj 437 440 speedlim 100;
+#X obj 95 412 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#N canvas 0 0 478 328 /SUBPATCH/ 0;
+#X obj 137 73 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 1
+;
+#X msg 137 115 39;
+#X msg 92 190 \$1 39;
+#X msg 136 53 1;
+#X obj 137 92 metro 200;
+#X obj 136 24 inlet;
+#X obj 92 169 tabread 1_W;
+#X obj 92 214 tabwrite 1_W;
+#X msg 177 192 \$1 39;
+#X msg 260 191 \$1 39;
+#X obj 260 170 tabread 3_W;
+#X obj 260 215 tabwrite 3_W;
+#X obj 177 171 tabread 2_W;
+#X obj 177 216 tabwrite 2_W;
+#X connect 0 0 4 0;
+#X connect 1 0 6 0;
+#X connect 1 0 12 0;
+#X connect 1 0 10 0;
+#X connect 2 0 7 0;
+#X connect 3 0 0 0;
+#X connect 4 0 1 0;
+#X connect 5 0 3 0;
+#X connect 6 0 2 0;
+#X connect 8 0 13 0;
+#X connect 9 0 11 0;
+#X connect 10 0 9 0;
+#X connect 12 0 8 0;
+#X restore 777 304 pd;
+#X text 802 310 update of W;
+#X text 801 299 graphical;
+#X text 96 317 minimum input value;
+#X msg 102 218 0.1;
+#X msg 60 299 1e-05;
+#X text 155 256 beta [0 .. 2];
+#X text 116 336 gamma [0 .. 1];
+#X obj 527 47 cnv 15 68 17 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#N canvas 0 0 499 295 FORMULAS 0;
+#X obj 167 52 cnv 15 150 40 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X obj 167 123 cnv 15 270 50 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X obj 167 205 cnv 15 260 30 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X text 280 129 beta;
+#X text 231 146 >;
+#X text 232 144 _;
+#X text 232 138 _;
+#X text 277 141 2;
+#X text 340 141 2;
+#X text 311 146 gamma * blocksize);
+#X text 294 146 +;
+#X text 243 146 x[n-i];
+#X text 174 135 my(n) =;
+#X text 223 130 _________________________________;
+#X text 8 135 normalized learn rate:;
+#X text 173 54 y(n) = W * x(n);
+#X obj 225 56 cnv 11 1 1 empty empty * 0 9 0 14 -225280 -1 0;
+#X text 173 72 e(n) = d(n) - W * x(n);
+#X obj 267 74 cnv 11 1 1 empty empty * 0 9 0 14 -225280 -1 0;
+#X text 119 73 error:;
+#X text 116 55 output:;
+#X text 7 210 coefficient iteration:;
+#X text 176 213 W(k+1 \, i) = leakage*W(k \, i) + my(n)* e(n)* x(n)
+;
+#X restore 527 47 pd FORMULAS;
+#X obj 102 238 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 102 238 5 0 2 0 - - -;
+#X text 138 237 learn-rate;
+#X obj 60 319 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 60 319 5 0 1 0 - - -;
+#X floatatom 25 226 5 0 0 0 - - -;
+#X text 526 29 Normalized Least Mean Square (linear adaptive FIR-filter)
+;
+#N canvas 0 0 450 300 graph1 0;
+#X array 2_W 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 299 517 graph;
+#N canvas 0 0 450 300 graph1 0;
+#X array 3_W 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 549 517 graph;
+#X obj 229 461 unsig~;
+#X floatatom 229 487 9 0 0 0 - - -;
+#X obj 319 459 unsig~;
+#X floatatom 319 485 9 0 0 0 - - -;
+#X obj 253 233 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 253 233 5 0 10000 0 - - -;
+#X msg 253 251 kappa \$1;
+#X msg 253 213 1;
+#X obj 408 291 FIR~ IR 32;
+#X obj 171 291 z~ 2;
+#X obj 289 291 z~ 4;
+#X text 26 363 x1(n);
+#X text 257 363 x3(n);
+#X text 176 362 x2(n);
+#X text 24 408 y1(n) = 1_W * x1(n);
+#X obj 181 427 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X obj 271 401 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X text 110 423 y2(n) = 2_W * x2(n);
+#X text 200 397 y3(n) = 3_W * x3(n);
+#X obj 360 423 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X text 326 419 - 1_W * x1(n);
+#X text 297 408 e(n) = d(n);
+#X obj 360 433 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X text 326 429 - 2_W * x2(n);
+#X obj 360 443 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X text 326 439 - 3_W * x3(n);
+#X text 526 18 Multi Channel Constraint;
+#X obj 53 380 n_CLNLMS~ 3 32 0.1 1e-05 1 0.95 W ______________________
+;
+#X text 472 230 minimum input value;
+#X obj 436 232 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 436 232 5 0 10000 0 - - -;
+#X msg 436 212 1;
+#X msg 436 250 leakage \$1;
+#X text 516 254 leakage [0 .. 1];
+#X text 520 163 (C) 2005 \, m.noisternig & t.musil \, IEM \, Graz \,
+Austria;
+#X text 548 176 [noisternig \, musil]_AT_iem.at;
+#X text 525 69 1.arg: <float> number of channels n;
+#X text 525 82 2.arg: <float> number of order of FIR-filter;
+#X text 525 96 3.arg: <float> learn-rate = beta;
+#X text 318 250 kappa;
+#X text 289 231 constraint;
+#X text 526 121 5.arg: <float> constraint = kappa;
+#X text 525 108 4.arg: <float> regularization parameter = gamma;
+#X text 526 133 6.arg: <float> leakage;
+#X text 526 146 7.arg: <symbol> table-name of W;
+#X connect 1 0 90 0;
+#X connect 2 0 90 0;
+#X connect 3 0 4 0;
+#X connect 4 0 5 0;
+#X connect 4 1 6 0;
+#X connect 8 0 71 0;
+#X connect 8 0 72 0;
+#X connect 8 0 73 0;
+#X connect 8 0 90 0;
+#X connect 9 0 10 0;
+#X connect 10 0 59 0;
+#X connect 12 0 90 0;
+#X connect 16 0 17 0;
+#X connect 18 0 19 0;
+#X connect 21 0 44 0;
+#X connect 32 0 31 1;
+#X connect 34 0 31 0;
+#X connect 41 0 42 0;
+#X connect 42 0 7 0;
+#X connect 48 0 55 0;
+#X connect 49 0 58 0;
+#X connect 55 0 2 0;
+#X connect 58 0 12 0;
+#X connect 59 0 1 0;
+#X connect 63 0 64 0;
+#X connect 65 0 66 0;
+#X connect 68 0 69 0;
+#X connect 69 0 90 0;
+#X connect 70 0 68 0;
+#X connect 71 0 90 3;
+#X connect 72 0 90 1;
+#X connect 73 0 90 2;
+#X connect 90 0 16 0;
+#X connect 90 1 18 0;
+#X connect 90 2 63 0;
+#X connect 90 3 65 0;
+#X connect 90 4 41 0;
+#X connect 93 0 95 0;
+#X connect 94 0 93 0;
+#X connect 95 0 90 0;
diff --git a/help/n_CNLMS~-help.pd b/help/n_CNLMS~-help.pd
new file mode 100644
index 0000000..15c42c9
--- /dev/null
+++ b/help/n_CNLMS~-help.pd
@@ -0,0 +1,261 @@
+#N canvas 170 22 1021 882 10;
+#N canvas 0 0 450 300 graph1 0;
+#X array 1_W 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 64 519 graph;
+#X msg 40 247 update \$1;
+#X msg 117 257 beta \$1;
+#X obj 456 26 tgl 15 0 empty empty empty 0 -6 0 8 -225280 -1 -1 0 1
+;
+#X obj 456 47 dsp;
+#X floatatom 456 93 5 0 0 0 - - -;
+#X floatatom 469 72 5 0 0 0 - - -;
+#X obj 452 463 bng 15 150 20 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X obj 68 277 noise~;
+#X obj 40 60 vradio 15 1 0 8 empty empty empty 0 -6 0 8 -225280 -1
+-1 0;
+#N canvas 165 115 464 314 /SUBPATCH/ 0;
+#X obj 76 61 inlet;
+#X msg 32 163 0;
+#X msg 63 159 1;
+#X msg 97 158 2;
+#X msg 132 156 4;
+#X msg 159 157 8;
+#X msg 191 162 16;
+#X msg 219 164 32;
+#X msg 248 165 64;
+#X obj 76 84 sel 0 1 2 3 4 5 6 7;
+#X obj 32 217 outlet;
+#X connect 0 0 9 0;
+#X connect 1 0 10 0;
+#X connect 2 0 10 0;
+#X connect 3 0 10 0;
+#X connect 4 0 10 0;
+#X connect 5 0 10 0;
+#X connect 6 0 10 0;
+#X connect 7 0 10 0;
+#X connect 8 0 10 0;
+#X connect 9 0 1 0;
+#X connect 9 1 2 0;
+#X connect 9 2 3 0;
+#X connect 9 3 4 0;
+#X connect 9 4 5 0;
+#X connect 9 5 6 0;
+#X connect 9 6 7 0;
+#X connect 9 7 8 0;
+#X restore 40 207 pd;
+#X text 22 41 internal downsampling of update;
+#X msg 75 339 gamma \$1;
+#X text 90 365 input signal;
+#X text 335 364 desired signal;
+#N canvas 0 0 450 300 graph1 0;
+#X array IR 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 240 25 graph;
+#X obj 69 462 unsig~;
+#X floatatom 69 488 9 0 0 0 - - -;
+#X obj 155 462 unsig~;
+#X floatatom 155 488 9 0 0 0 - - -;
+#X text 426 364 d(n);
+#X obj 516 270 loadbang;
+#X text 704 47 (array-sizes have to be >= then FIR_size);
+#X text 654 37 1.arg: <float> number of order of FIR-filter;
+#X text 57 73 update every sample;
+#X text 57 58 stop \, no update;
+#X text 57 88 update every 2nd sample;
+#X text 57 103 update every 4th sample;
+#X text 57 118 update every 8th sample;
+#X text 57 133 update every 16th sample;
+#X text 57 148 update every 32nd sample;
+#X text 57 163 update every 64th sample;
+#N canvas 0 0 486 336 /SUBPATCH/ 0;
+#X obj 48 46 inlet;
+#X obj 205 47 inlet;
+#X msg 205 71 \; IR const 0;
+#X obj 92 84 loadbang;
+#X msg 48 120 \; IR 0 0 0 0 0 0 0.314287 0.8 0.75 0 0 0 0 -0.7 -0.65
+0 0 0 0.157143 0.128572 0 0 -0.128572 -0.1 0 0 0 0 0 0 0 0 0 0 0 0
+0 0 0 0 0;
+#X connect 0 0 4 0;
+#X connect 1 0 2 0;
+#X connect 3 0 4 0;
+#X restore 517 245 pd;
+#X obj 530 227 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 547 224 clear;
+#X obj 517 208 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 534 205 load;
+#X text 579 214 IR;
+#X text 19 397 filtered output signal;
+#X text 339 396 error signal;
+#X text 469 457 constrain;
+#X text 469 467 coefficients;
+#X msg 452 422 0;
+#X obj 452 442 speedlim 100;
+#X obj 110 414 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#N canvas 0 0 482 332 /SUBPATCH/ 0;
+#X obj 137 73 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 1
+;
+#X msg 137 115 39;
+#X msg 92 190 \$1 39;
+#X msg 136 53 1;
+#X obj 137 92 metro 200;
+#X obj 136 24 inlet;
+#X obj 92 169 tabread 1_W;
+#X obj 92 214 tabwrite 1_W;
+#X msg 177 192 \$1 39;
+#X msg 260 191 \$1 39;
+#X obj 260 170 tabread 3_W;
+#X obj 260 215 tabwrite 3_W;
+#X obj 177 171 tabread 2_W;
+#X obj 177 216 tabwrite 2_W;
+#X connect 0 0 4 0;
+#X connect 1 0 6 0;
+#X connect 1 0 12 0;
+#X connect 1 0 10 0;
+#X connect 2 0 7 0;
+#X connect 3 0 0 0;
+#X connect 4 0 1 0;
+#X connect 5 0 3 0;
+#X connect 6 0 2 0;
+#X connect 8 0 13 0;
+#X connect 9 0 11 0;
+#X connect 10 0 9 0;
+#X connect 12 0 8 0;
+#X restore 516 291 pd;
+#X text 541 297 update of W;
+#X text 540 286 graphical;
+#X text 111 319 minimum input value;
+#X msg 117 220 0.1;
+#X msg 75 301 1e-05;
+#X text 170 258 beta [0 .. 2];
+#X text 131 338 gamma [0 .. 1];
+#X obj 574 38 cnv 15 68 17 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#N canvas 0 0 568 372 FORMULAS 0;
+#X obj 167 52 cnv 15 150 40 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X obj 167 123 cnv 15 270 50 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X obj 167 205 cnv 15 260 30 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X text 280 129 beta;
+#X text 231 146 >;
+#X text 232 144 _;
+#X text 232 138 _;
+#X text 277 141 2;
+#X text 340 141 2;
+#X text 311 146 gamma * blocksize);
+#X text 294 146 +;
+#X text 243 146 x[n-i];
+#X text 174 135 my(n) =;
+#X text 223 130 _________________________________;
+#X text 6 135 normalized learn rate:;
+#X text 173 54 y(n) = W * x(n);
+#X obj 225 56 cnv 11 1 1 empty empty * 0 9 0 14 -225280 -1 0;
+#X text 173 72 e(n) = d(n) - W * x(n);
+#X obj 267 74 cnv 11 1 1 empty empty * 0 9 0 14 -225280 -1 0;
+#X text 119 73 error:;
+#X text 116 55 output:;
+#X text 7 212 coefficient iteration:;
+#X text 176 213 W(k+1 \, i) = W(k \, i) + my(n)* e(n)* x(n);
+#X restore 573 39 pd FORMULAS;
+#X obj 117 240 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 117 240 5 0 2 0 - - -;
+#X text 153 239 learn-rate;
+#X obj 75 321 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 75 321 5 0 1 0 - - -;
+#X floatatom 40 228 5 0 0 0 - - -;
+#X text 572 14 Normalized Least Mean Square (linear adaptive FIR-filter)
+;
+#N canvas 0 0 450 300 graph1 0;
+#X array 2_W 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 314 519 graph;
+#N canvas 0 0 450 300 graph1 0;
+#X array 3_W 40 float 0;
+#X coords 0 1 39 -1 200 140 1;
+#X restore 564 519 graph;
+#X obj 68 382 n_CNLMS~ 3 32 0.1 1e-05 1 W _______________________________
+;
+#X obj 244 463 unsig~;
+#X floatatom 244 489 9 0 0 0 - - -;
+#X obj 334 461 unsig~;
+#X floatatom 334 487 9 0 0 0 - - -;
+#X text 304 233 minimum input value;
+#X obj 268 235 cnv 14 31 14 empty empty empty 20 12 0 14 -225280 -66577
+0;
+#X floatatom 268 235 5 0 10000 0 - - -;
+#X msg 268 253 kappa \$1;
+#X text 324 252 kappa [0 .. 1];
+#X msg 268 215 1;
+#X obj 423 293 FIR~ IR 32;
+#X obj 186 293 z~ 2;
+#X obj 304 293 z~ 4;
+#X text 41 365 x1(n);
+#X text 272 365 x3(n);
+#X text 191 364 x2(n);
+#X text 39 410 y1(n) = 1_W * x1(n);
+#X obj 196 429 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X obj 286 403 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X text 125 425 y2(n) = 2_W * x2(n);
+#X text 215 399 y3(n) = 3_W * x3(n);
+#X obj 375 425 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X text 341 421 - 1_W * x1(n);
+#X text 312 410 e(n) = d(n);
+#X obj 375 435 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X text 341 431 - 2_W * x2(n);
+#X obj 375 445 cnv 8 1 1 empty empty * 0 7 0 14 -262144 -1 0;
+#X text 341 441 - 3_W * x3(n);
+#X text 572 3 Multi Channel Constraint;
+#X msg 463 139 \; 1_W const 0 \; 2_W const 0 \; 3_W const 0;
+#X text 462 117 RESET TABLES;
+#X text 654 150 (C) 2005 \, m.noisternig & t.musil \, IEM \, Graz \,
+Austria;
+#X text 682 163 [noisternig \, musil]_AT_iem.at;
+#X text 655 64 2.arg: <float> number of order of FIR-filter;
+#X text 655 78 3.arg: <float> learn-rate = beta;
+#X text 656 103 5.arg: <float> constraint = kappa;
+#X text 655 90 4.arg: <float> regularization parameter = gamma;
+#X text 656 118 6.arg: <symbol> table-name of W;
+#X connect 1 0 64 0;
+#X connect 2 0 64 0;
+#X connect 3 0 4 0;
+#X connect 4 0 5 0;
+#X connect 4 1 6 0;
+#X connect 8 0 75 0;
+#X connect 8 0 64 0;
+#X connect 8 0 76 0;
+#X connect 8 0 77 0;
+#X connect 9 0 10 0;
+#X connect 10 0 60 0;
+#X connect 12 0 64 0;
+#X connect 16 0 17 0;
+#X connect 18 0 19 0;
+#X connect 21 0 45 0;
+#X connect 33 0 32 1;
+#X connect 35 0 32 0;
+#X connect 42 0 43 0;
+#X connect 43 0 7 0;
+#X connect 49 0 56 0;
+#X connect 50 0 59 0;
+#X connect 56 0 2 0;
+#X connect 59 0 12 0;
+#X connect 60 0 1 0;
+#X connect 64 0 16 0;
+#X connect 64 1 18 0;
+#X connect 64 2 65 0;
+#X connect 64 3 67 0;
+#X connect 64 4 42 0;
+#X connect 65 0 66 0;
+#X connect 67 0 68 0;
+#X connect 71 0 72 0;
+#X connect 72 0 64 0;
+#X connect 74 0 71 0;
+#X connect 75 0 64 3;
+#X connect 76 0 64 1;
+#X connect 77 0 64 2;