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diff --git a/help/help-ambi_encode.pd b/help/help-ambi_encode.pd
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-#X obj 374 243 ambi_encode 2;
-#X obj 374 288 print;
-#X text 478 247 1.arg: <float> ambisonic order;
-#X text 489 259 (1 .. 12 for 2 dimensional use);
-#X msg 461 178 col 2 \$1;
-#X msg 425 97 row 1 \$1;
-#X msg 288 211 col 3 \$1 \$2;
-#X obj 288 188 pack 0 0;
-#X obj 306 166 t b f;
-#X obj 374 265 round_zero 1e-006;
-#X obj 184 193 pack 0 0;
-#X obj 202 171 t b f;
-#X floatatom 100 161 5 -180 180 0 - - -;
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-#X obj 82 222 pack 0 0;
-#X obj 100 200 t b f;
-#X text 48 143 delta;
-#X text 102 142 phi;
-#X text 21 12 ambi_encode;
-#X text 34 291 ambisonic-order = n_ao;
-#X text 346 320 -> output: <list> of (2*n_ao+1) <float>;
-#X text 346 331 -> output: <list> of (n_ao+1)*(n_ao+1) <float>;
-#X text 387 356 -> output: <row> + index + (2*n_ao+1) <float>;
-#X text 387 368 -> output: <row> + index + (n_ao+1)*(n_ao+1) <float>
-;
-#X text 383 394 -> output: <col> + index + (2*n_ao+1) <float>;
-#X text 383 406 -> output: <col> + index + (n_ao+1)*(n_ao+1) <float>
-;
-#X text 432 424 for crossfading of 2 ambisonic-systems;
-#X msg 605 183 ambi_weight 1 1 1;
-#X msg 588 162 ambi_weight 1 1 0.3904;
-#X text 299 424 ambisonic-order-group;
-#X text 89 452 -90 <= delta <= +90;
-#X text 89 464 -180 <= phi <= +180;
-#X text 415 439 or for bluring a signal-source-direction;
-#X text 31 506 order of ambisonic-channels in 2d-case: W X1 Y1 X2 Y2
-X3 Y3;
-#X text 391 506 X4 Y4 X5 Y5 ....;
-#X text 167 520 W := 1 \, X-term ... cos(i*phi) \, Y-term ... sin(i*phi)
-;
-#X text 30 560 order of ambisonic-channels in 3d-case: W Z1X1 Z1Y1
-Z1;
-#X text 358 560 Z2X2 Z2Y2 Z2X1 Z2Y1 Z2 Z3X3 Z3Y3 Z3X2 Z3Y2 Z3X1 Z3Y1
-Z3 ...;
-#X text 166 574 W := 1 \, X-term ... cos(i*phi) \, Y-term ... sin(i*phi)
-\,;
-#X text 489 574 Z-term ... cos(j*delta)*sin(k*delta);
-#X text 33 318 input: <float> phi [degree] .. 2-dimensional;
-#X text 33 331 input: <list> delta + phi [degree] .. 3-dimensional
-;
-#X text 33 356 input: <row> index + phi [degree] .. 2-dimensional;
-#X text 34 368 input: <row> index + delta + phi [degree] .. 3-dimensional
-;
-#X text 31 395 input: <col> index + phi [degree .. 2-dimensional;
-#X text 31 407 input: <col> index + delta + phi [degree] .. 3-dimensional
-;
-#X text 31 424 input: <ambi_weight> one mul-factor for each;
-#X text 267 492 |0| 1 | 2 | 3 | 4 | 5 |;
-#X text 687 549 |;
-#X text 263 547 |0| 1 | 2 | 3;
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-#X text 275 121 delta;
-#X text 329 120 phi;
-#X floatatom 370 65 5 -180 180 0 - - -;
-#X text 372 46 phi;
-#X floatatom 425 79 5 -180 180 0 - - -;
-#X text 427 60 phi;
-#X floatatom 461 160 5 -180 180 0 - - -;
-#X text 463 141 phi;
-#X text 491 272 (1 .. 5 for 3 dimensional use);
-#X msg 184 218 row 4 \$1 \$2;
-#X text 112 12 calculates a row or column of a ambisonic-encoder-matrix
-;
-#X text 82 849 "float"-message: <float> azimuth-angle phi [degree]
--> two-dimensional ambisonic-system -> output a <list> of (2*n_ao +
-1) <float> elements;
-#X text 478 850 "list"-message: 1.item <float> elevation-angle delta
-[degree] \, 2.item <float> azimuth-angle phi [degree] -> three-dimensional
-ambisonic-system -> output a <list> of (n_ao + 1)^2 <float> elements
-;
-#X text 87 914 "row"-message: <float> row-index of ambisonic-encoder-matrix
-\, <float> azimuth-angle phi [degree] -> two-dimensional ambisonic-system
--> output a "row"-message + <float> row-index + (2*n_ao + 1) <float>
-elements;
-#X text 480 919 "row"-message: 1.item <float> elevation-angle delta
-[degree] \, 2.item <float> azimuth-angle phi [degree] -> three-dimensional
-ambisonic-system -> output a <list> of (n_ao + 1)^2 <float> elements
-;
-#X text 105 441 1 <= index <= nr_sources;
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-#X text 434 31 phi;
-#X text 407 45 -180 .. +180;
-#X obj 142 202 print 3d;
-#X obj 422 132 print 2d;
-#X obj 78 201 route row;
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-#X obj 78 124 pp row 7;
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-#X text 448 260 +1;
-#X text 448 360 -1;
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