diff options
author | N.N. <matju@users.sourceforge.net> | 2010-01-05 22:49:36 +0000 |
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committer | N.N. <matju@users.sourceforge.net> | 2010-01-05 22:49:36 +0000 |
commit | 8dbec761cf858ea65900c8a094599857208d8c3a (patch) | |
tree | 3228c023f87f23a354da3b57fdc2afe5b7052032 /desiredata/doc/3.audio.examples/buttercoef3.pd | |
parent | 529e59635598e2d90a7a49f6b4c676f8366109ba (diff) |
svn path=/trunk/; revision=12907
Diffstat (limited to 'desiredata/doc/3.audio.examples/buttercoef3.pd')
-rw-r--r-- | desiredata/doc/3.audio.examples/buttercoef3.pd | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/desiredata/doc/3.audio.examples/buttercoef3.pd b/desiredata/doc/3.audio.examples/buttercoef3.pd deleted file mode 100644 index 6d15d6af..00000000 --- a/desiredata/doc/3.audio.examples/buttercoef3.pd +++ /dev/null @@ -1,80 +0,0 @@ -#N canvas 139 346 714 532 10; -#X obj 63 51 inlet; -#X floatatom 522 134 5 0 0 0 - - -; -#X obj 101 153 t f f; -#X msg 101 108 0.667; -#X msg 82 283 0; -#X obj 517 270 loadbang; -#X obj 528 298 inlet; -#X obj 517 322 f; -#X obj 517 346 expr 1 - 2*$f1; -#X obj 63 79 t b b b f; -#X obj 205 228 * -1; -#X obj 163 228 t f f; -#X obj 63 391 f; -#X obj 30 463 outlet; -#X text 515 237 1 to normalize at Nyquist; -#X text 59 30 characteristic frequency \, 0(DC) to 1(Nyquist); -#X obj 283 470 outlet; -#X obj 439 472 outlet; -#X text 439 494 imag2a; -#X text 283 492 real1; -#X text 374 494 real2; -#X obj 500 473 outlet; -#X text 500 495 imag2b; -#X obj 373 470 outlet; -#X text 27 485 normalizer1; -#X obj 173 470 outlet; -#X text 170 492 normalizer2; -#X obj 156 436 expr (($f2-$f1)*($f2-$f1)+$f3*$f3); -#X obj 63 412 t f f; -#X obj 101 176 expr (1 - $f2*$f2) / (1 + $f2*$f2 + 2*$f2*cos($f1)) -; -#X obj 163 205 expr 2*$f2*sin($f1) / (1 + $f2*$f2 + 2*$f2*cos($f1)) -; -#X obj 82 307 expr (1 - $f2*$f2) / (1 + $f2*$f2 + 2*$f2*cos($f1)); -#X obj 522 89 clip 0 1; -#X obj 522 111 expr tan($f1*1.57); -#X obj 101 131 expr $f1*1.5708; -#X text 515 251 0 to normalize at DC; -#X text 119 4 3-pole (or zero) Butterworth filter coefficient calculator -; -#X text 145 109 "theta" in units of pi/2; -#X text 211 138 conjugate pair of pole/zero locations:; -#X text 197 155 real part: (1-r*r)/(1+r*r-2rcos(th)); -#X text 245 226 imaginary part: 2rsin(th)/(...); -#X text 270 282 real-valued one \, theta=0; -#X obj 30 439 expr abs($f1-$f2); -#X connect 0 0 9 0; -#X connect 1 0 29 1; -#X connect 1 0 30 1; -#X connect 1 0 31 1; -#X connect 2 0 29 0; -#X connect 2 1 30 0; -#X connect 3 0 34 0; -#X connect 4 0 31 0; -#X connect 5 0 7 0; -#X connect 6 0 7 0; -#X connect 7 0 8 0; -#X connect 8 0 12 1; -#X connect 9 0 12 0; -#X connect 9 1 4 0; -#X connect 9 2 3 0; -#X connect 9 3 32 0; -#X connect 10 0 21 0; -#X connect 11 0 17 0; -#X connect 11 0 27 2; -#X connect 11 1 10 0; -#X connect 12 0 28 0; -#X connect 27 0 25 0; -#X connect 28 0 42 0; -#X connect 28 1 27 0; -#X connect 29 0 23 0; -#X connect 29 0 27 1; -#X connect 30 0 11 0; -#X connect 31 0 16 0; -#X connect 31 0 42 1; -#X connect 32 0 33 0; -#X connect 33 0 1 0; -#X connect 34 0 2 0; -#X connect 42 0 13 0; |