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Diffstat (limited to 'kaiser~-help.pd')
| -rw-r--r-- | kaiser~-help.pd | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/kaiser~-help.pd b/kaiser~-help.pd new file mode 100644 index 0000000..78038f2 --- /dev/null +++ b/kaiser~-help.pd @@ -0,0 +1,63 @@ +#N canvas 256 141 557 517 10; +#X obj 4 479 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 kaiser~ 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 3 319 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 obj 97 126 hsl 71 15 -1 1 0 0 empty empty empty -2 -6 0 10 -262144 +-1 -1 7000 1; +#X msg 94 106 1; +#X obj 94 86 loadbang; +#X obj 102 365 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 21 125 height --->; +#X obj 127 149 sig~ 1; +#N canvas 0 0 450 300 graph3 0; +#X array \$0-kaiser 64 float 0; +#X coords 0 1 63 -1 200 140 1; +#X restore 326 65 graph; +#X text 103 396 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 text 102 258 SIGNAL: the height (amplitude) of the window is controlled +by the signal on its inlet.; +#X obj 197 126 hsl 81 15 1 240 1 0 empty empty empty -2 -6 0 10 -262144 +-1 -1 3361 1; +#X floatatom 192 145 5 0 0 0 - - -; +#X obj 127 172 kaiser~; +#X obj 127 198 tabsend~ \$0-kaiser; +#X obj 435 6 pddp/pddplink http://wiki.puredata.info/en/kaiser~ -text +pdpedia: kaiser~; +#X text 169 84 modified Bessel function; +#X text 169 70 where Io is 0th order; +#X text 168 55 Io(a*sqrt(1-x^2))/Io(a); +#X text 103 327 SIGNAL: a kaiser (exponential decay) window with size=dsp +blocksize; +#X msg 121 106 10; +#X obj 102 379 pddp/pddplink http://en.wikipedia.org/wiki/Kaiser_window +-text wikipedia: kaiser window; +#X text 102 284 FLOAT: the narrowness of the kaiser window is controlled +by floats in the inlet; +#X text 15 6 description: generates a kaiser window for each dsp block +; +#X connect 7 0 14 0; +#X connect 8 0 7 0; +#X connect 9 0 8 0; +#X connect 9 0 27 0; +#X connect 14 0 20 0; +#X connect 18 0 19 0; +#X connect 19 0 20 0; +#X connect 20 0 21 0; +#X connect 27 0 18 0; |