From eb949698bcd785234e69281b7dbc98f849d9f684 Mon Sep 17 00:00:00 2001 From: musil Date: Thu, 11 Dec 2008 17:43:30 +0000 Subject: moved help-files from help to ../ svn path=/trunk/externals/iem/iem_ambi/; revision=10437 --- ambi_encode-help.pd | 377 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 377 insertions(+) create mode 100644 ambi_encode-help.pd (limited to 'ambi_encode-help.pd') diff --git a/ambi_encode-help.pd b/ambi_encode-help.pd new file mode 100644 index 0000000..91f46b3 --- /dev/null +++ b/ambi_encode-help.pd @@ -0,0 +1,377 @@ +#N canvas 61 22 872 684 10; +#X obj 375 244 cnv 15 78 15 empty empty empty 20 12 0 14 -260818 -66577 +0; +#X obj 374 243 ambi_encode 2; +#X obj 374 288 print; +#X text 478 247 1.arg: 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 - - -; +#X floatatom 51 162 5 -90 90 0 - - -; +#X obj 82 222 pack 0 0; +#X obj 100 200 t b f; +#X text 102 142 phi; +#X text 21 12 ambi_encode; +#X text 34 291 ambisonic-order = n_ao; +#X text 346 320 -> output: of (2*n_ao+1) ; +#X text 346 331 -> output: of (n_ao+1)*(n_ao+1) ; +#X text 387 356 -> output: + index + (2*n_ao+1) ; +#X text 387 368 -> output: + index + (n_ao+1)*(n_ao+1) +; +#X text 383 394 -> output: + index + (2*n_ao+1) ; +#X text 383 406 -> output: + index + (n_ao+1)*(n_ao+1) +; +#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 89 464 -180 <= phi <= +180; +#X text 415 439 or for bluring a signal-source-direction; +#X text 31 496 order of ambisonic-channels in 2d-case: W X1 Y1 X2 Y2 +X3 Y3; +#X text 391 496 X4 Y4 X5 Y5 ....; +#X text 167 510 W := 1 \, X-term ... cos(i*phi) \, Y-term ... sin(i*phi) +; +#X text 30 550 order of ambisonic-channels in 3d-case: W Z1X1 Z1Y1 +Z1; +#X text 358 550 Z2X2 Z2Y2 Z2X1 Z2Y1 Z2 Z3X3 Z3Y3 Z3X2 Z3Y2 Z3X1 Z3Y1 +Z3 ...; +#X text 166 564 W := 1 \, X-term ... cos(i*phi) \, Y-term ... sin(i*phi) +\,; +#X text 33 318 input: phi [degree] .. 2-dimensional; +#X text 33 356 input: index + phi [degree] .. 2-dimensional; +#X text 31 395 input: index + phi [degree .. 2-dimensional; +#X text 31 424 input: one mul-factor for each; +#X text 267 482 |0| 1 | 2 | 3 | 4 | 5 |; +#X text 687 539 |; +#X text 263 537 |0| 1 | 2 | 3; +#X floatatom 226 142 5 -180 180 0 - - -; +#X floatatom 177 143 5 -90 90 0 - - -; +#X text 228 123 phi; +#X floatatom 327 139 5 -180 180 0 - - -; +#X floatatom 278 140 5 -90 90 0 - - -; +#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 82 849 "float"-message: azimuth-angle phi [degree] +-> two-dimensional ambisonic-system -> output a of (2*n_ao + +1) elements; +#X text 478 850 "list"-message: 1.item elevation-angle delta +[degree] \, 2.item azimuth-angle phi [degree] -> three-dimensional +ambisonic-system -> output a of (n_ao + 1)^2 elements +; +#X text 87 914 "row"-message: row-index of ambisonic-encoder-matrix +\, azimuth-angle phi [degree] -> two-dimensional ambisonic-system +-> output a "row"-message + row-index + (2*n_ao + 1) +elements; +#X text 480 919 "row"-message: 1.item elevation-angle delta +[degree] \, 2.item azimuth-angle phi [degree] -> three-dimensional +ambisonic-system -> output a of (n_ao + 1)^2 elements +; +#X text 105 441 1 <= index <= nr_sources; +#X text 120 6 AMBISONIC ENCODING; +#X text 112 32 up to 12.Order 2-dimensional; +#X text 109 20 up to 5.Order 3-dimensional or; +#X text 366 8 calculates a row or column of; +#X text 372 20 a ambisonic-encoder-matrix; +#X obj 539 62 cnv 15 126 15 empty empty empty 20 12 0 14 -260818 -66577 +0; 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