diff options
author | N.N. <matju@users.sourceforge.net> | 2010-01-05 22:49:36 +0000 |
---|---|---|
committer | N.N. <matju@users.sourceforge.net> | 2010-01-05 22:49:36 +0000 |
commit | 8dbec761cf858ea65900c8a094599857208d8c3a (patch) | |
tree | 3228c023f87f23a354da3b57fdc2afe5b7052032 /desiredata/doc/5.reference/rpole~-help.pd | |
parent | 529e59635598e2d90a7a49f6b4c676f8366109ba (diff) |
svn path=/trunk/; revision=12907
Diffstat (limited to 'desiredata/doc/5.reference/rpole~-help.pd')
-rw-r--r-- | desiredata/doc/5.reference/rpole~-help.pd | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/desiredata/doc/5.reference/rpole~-help.pd b/desiredata/doc/5.reference/rpole~-help.pd deleted file mode 100644 index 011a2b5d..00000000 --- a/desiredata/doc/5.reference/rpole~-help.pd +++ /dev/null @@ -1,79 +0,0 @@ -#N canvas 56 7 669 542 12; -#X floatatom 118 172 0 0 0 0 - - -; -#X obj 54 85 osc~ 100; -#X msg 69 117 clear; -#X obj 96 512 lop~; -#X text 10 512 see also:; -#X obj 52 7 rpole~; -#X text 114 7 real one-pole (recursive) filter \, raw; -#X text 8 35 Rpole~ filters an audio signal (left inlet) via a one-pole -real filter \, whose coefficient is controlled by a creation argument -or by an audio signal (right inlet).; -#X text 413 511 updated for Pd version-0.38; -#X obj 95 441 rzero~; -#X obj 35 463 cpole~; -#X obj 35 441 rpole~; -#X obj 154 441 rzero_rev~; -#X obj 95 463 czero~; -#X obj 154 463 czero_rev~; -#X text 253 441 real; -#X text 252 464 complex; -#X text 32 425 1-pole; -#X text 92 425 1-zero; -#X text 142 425 1-zero \, reversed; -#X text 57 410 summary of raw filters:; -#X msg 71 143 set 1; -#X text 119 142 <-- set internal state; -#X text 132 86 <-- signal to filter; -#X text 150 173 <-- filter coefficient (may be a signal); -#X text 150 195 <-- creation argument initializes filter coefficient -; -#X text 73 252 y[n] = y[n-1] + a[n] * x[n]; -#X text 10 310 The transfer function is H(Z) = 1/(1 - aZ^-1).; -#X text 121 117 <-- clear internal state to zero; -#X text 11 272 where y[n] is the output \, x[n] the input \, and a[n] -the filter coefficient. The filter is unstable if/when |a[n]|>1.; -#X obj 53 195 rpole~ 0.9; -#X text 14 230 The action of rpole~ is:; -#N canvas 393 91 326 287 test 0; -#X obj 76 78 osc~; -#X floatatom 76 55 5 0 0 0 - - -; -#X obj 77 219 env~ 16384; -#X floatatom 77 243 5 0 0 0 - - -; -#X obj 76 168 rpole~; -#X obj 104 107 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 -1; -#X obj 76 105 *~; -#X msg 97 137 set 1; -#X floatatom 172 157 4 -100 100 0 - - -; -#X obj 172 182 / 100; -#X obj 214 256 dac~; -#X obj 228 177 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0 -1; -#X obj 214 220 *~; -#X obj 230 197 / 10; -#X text 80 18 Stuff to test it:; -#X connect 0 0 6 0; -#X connect 1 0 0 0; -#X connect 2 0 3 0; -#X connect 4 0 2 0; -#X connect 4 0 12 0; -#X connect 5 0 6 1; -#X connect 6 0 4 0; -#X connect 7 0 4 0; -#X connect 8 0 9 0; -#X connect 9 0 4 1; -#X connect 11 0 13 0; -#X connect 12 0 10 0; -#X connect 12 0 10 1; -#X connect 13 0 12 1; -#X restore 457 427 pd test; -#X text 136 512 etc.: user-friendly filters; -#X text 8 331 (Pd also provides a suite of user-friendly filters. This -and other raw filters are provided for situations which the user-friendly -ones can't handle. See Chapter 8 of http://crca.ucsd.edu/~msp/techniques -for an introduction to the necessary theory.); -#X connect 0 0 30 1; -#X connect 1 0 30 0; -#X connect 2 0 30 0; -#X connect 21 0 30 0; |