1 files changed, 90 insertions, 0 deletions
diff --git a/doc/help/cyclone/buffir~-help.pd b/doc/help/cyclone/buffir~-help.pd
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+++ b/doc/help/cyclone/buffir~-help.pd
@@ -0,0 +1,90 @@
+#N canvas 41 53 873 616 10;
+#X declare -lib cyclone;
+#X floatatom 454 384 0 0 0 0 - - -;
+#X obj 330 374 noise~;
+#X obj 330 441 *~ 0.05;
+#X obj 330 474 dac~;
+#X obj 69 165 sig~ 1;
+#X text 231 167 Length (samps);
+#X obj 576 111 loadbang;
+#X msg 41 123 clear;
+#X floatatom 209 165 0 0 0 0 - - -;
+#X floatatom 160 136 0 0 0 0 - - -;
+#X obj 575 144 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144
+-1 -1;
+#N canvas 480 212 405 395 genRamp 0;
+#X obj 39 197 sel 0 1;
+#X obj 81 254 i;
+#X obj 39 146 sel 1;
+#X msg 111 100 clear;
+#X obj 120 206 * 1;
+#X obj 120 180 expr ((127. - $f1) / 127.);
+#X obj 98 124 - 1;
+#X obj 39 75 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1
+-1;
+#X obj 81 282 pack 0 0;
+#X text 116 151 exponential ramp down from 1 to 0;
+#X text 147 249 makes 50% zeros \, 25% exponential downward ramp \,
+25% random;
+#X obj 39 99 Uzi 128;
+#X obj 39 123 decide;
+#X obj 39 174 decide;
+#X obj 39 219 urn 128;
+#X obj 39 53 inlet;
+#X obj 81 316 outlet;
+#X connect 0 0 14 0;
+#X connect 0 1 1 0;
+#X connect 1 0 8 0;
+#X connect 2 0 13 0;
+#X connect 3 0 14 0;
+#X connect 4 0 8 1;
+#X connect 5 0 4 0;
+#X connect 5 0 4 1;
+#X connect 6 0 1 1;
+#X connect 6 0 5 0;
+#X connect 7 0 3 0;
+#X connect 7 0 11 0;
+#X connect 8 0 16 0;
+#X connect 11 0 12 0;
+#X connect 11 2 6 0;
+#X connect 12 0 2 0;
+#X connect 13 0 0 0;
+#X connect 14 0 8 0;
+#X connect 15 0 7 0;
+#X restore 573 184 pd genRamp;
+#X text 33 104 clears input history only;
+#X text 186 131 Offset (samps);
+#X text 427 186 Generate new fir =>;
+#X text 178 216 Initial args: buffer \, offset(samps) \, length(samps)
+;
+#X text 181 241 256 point max len;
+#X text 8 291 integral of buffer from offset to offset + length;
+#X text 486 383 number of samples in impulse;
+#X obj 570 53 import cyclone;
+#X obj 330 409 buffir~ fir_buf 0 10;
+#X obj 50 216 buffir~ fir_buf 0 32;
+#X obj 574 223 peek~ fir_buf;
+#X obj 563 285 table fir_buf 128;
+#X obj 50 245 Snapshot~ 100;
+#X obj 52 269 nbx 5 14 -1e+37 1e+37 0 0 empty empty empty 0 -8 0 10
+-262144 -1 -1 0 256;
+#X text 15 35 a table based FIR convolution filter;
+#X text 16 58 buffir~ is a table based FIR (finite impulse response)
+filter. an input signal is convolved with n samples of a buffer. Currently
+the maximum number of points is 256;
+#X text 503 311 table is a 128-point downwards ramp with random values
+here and there with amplitude from 1 to 0;
+#X connect 0 0 20 2;
+#X connect 1 0 20 0;
+#X connect 2 0 3 0;
+#X connect 2 0 3 1;
+#X connect 4 0 21 0;
+#X connect 6 0 10 0;
+#X connect 7 0 21 0;
+#X connect 8 0 21 2;
+#X connect 9 0 21 1;
+#X connect 10 0 11 0;
+#X connect 11 0 22 0;
+#X connect 20 0 2 0;
+#X connect 21 0 24 0;
+#X connect 24 0 25 0;