From d1c07e6cbc68f3c1e9a252edb79422e426857f94 Mon Sep 17 00:00:00 2001 From: Ed Kelly Date: Thu, 13 Dec 2007 05:58:24 +0000 Subject: My new help files for Jsarlo's windowing lib svn path=/trunk/externals/windowing/; revision=9093 --- connes~-help.pd | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 connes~-help.pd (limited to 'connes~-help.pd') diff --git a/connes~-help.pd b/connes~-help.pd new file mode 100644 index 0000000..c4fce2f --- /dev/null +++ b/connes~-help.pd @@ -0,0 +1,56 @@ +#N canvas 230 69 553 535 10; +#X obj 4 484 cnv 15 550 20 empty \$0-pddp.cnv.footer empty 20 12 0 +14 -228856 -66577 0; +#X obj 4 -17 cnv 15 550 40 empty \$0-pddp.cnv.header connes~ 3 12 0 +18 -204280 -1 0; +#X obj 3 239 cnv 3 550 3 empty \$0-pddp.cnv.inlets inlets 15 12 0 13 +-228856 -1 0; +#X obj 3 299 cnv 3 550 3 empty \$0-pddp.cnv.outlets outlet 15 12 0 +13 -228856 -1 0; +#X obj 3 359 cnv 3 550 3 empty \$0-pddp.cnv.more_info more_info 15 +12 0 13 -228856 -1 0; +#X obj 72 259 cnv 17 3 30 empty \$0-pddp.cnv.let.0 0 5 9 0 16 -228856 +-162280 0; +#X text 168 40 formula:; +#X floatatom 170 104 5 0 0 0 - - -; +#X obj 97 86 hsl 71 15 -1 1 0 0 empty empty empty -2 -6 0 10 -262144 +-1 -1 7000 1; +#X msg 94 66 1; +#X obj 94 46 loadbang; +#X obj 102 363 pddp/pddplink http://en.wikipedia.org/wiki/Window_function +-text wikipedia: window functions; +#X obj 438 -14 import windowing; +#X msg 36 154 \; pd dsp 1; +#X text 21 85 height --->; +#X text 103 407 Windowing functions are used with FFTs. These transform +the signal block-by-block into a spectral representation whose resolution +in both the frequency and time domains are proportional to their size +(as a power-of-two in PD). The different windows have different characteristics +in terms of stopband attenuation and noise bandwidth.; +#X obj 170 122 sig~ 1; +#N canvas 0 0 450 300 graph5 0; +#X array \$0-connes 64 float 0; +#X coords 0 1 63 -1 200 140 1; +#X restore 301 55 graph; +#X text 169 52 cos(pi*x/2); +#X obj 72 319 cnv 17 3 30 empty \$0-pddp.cnv.let.0 0 5 9 0 16 -228856 +-162280 0; +#X obj 170 169 tabsend~ \$0-connes; +#X obj 170 143 connes~; +#X text 102 258 SIGNAL: the height (amplitude) of the window is controlled +by the signal on its inlet.; +#X text 103 317 SIGNAL: a connes window with size=dsp blocksize; +#X obj 102 392 pddp/pddplink http://mathworld.wolfram.com/ConnesFunction.html +-text mathworld link; +#X obj 102 377 pddp/pddplink http://en.wikipedia.org/wiki/Connes -text +wikipedia: Alain Connes; +#X obj 435 6 pddp/pddplink http://wiki.puredata.info/en/connes~ -text +pdpedia: connes~; +#X text 15 6 description: generates a connes window for each dsp block +; +#X connect 7 0 16 0; +#X connect 8 0 7 0; +#X connect 9 0 8 0; +#X connect 10 0 9 0; +#X connect 16 0 21 0; +#X connect 21 0 20 0; -- cgit v1.2.1