diff options
Diffstat (limited to 'welch~-help.pd')
| -rw-r--r-- | welch~-help.pd | 42 |
1 files changed, 27 insertions, 15 deletions
diff --git a/welch~-help.pd b/welch~-help.pd index efc0060..23d31fa 100644 --- a/welch~-help.pd +++ b/welch~-help.pd @@ -1,52 +1,64 @@ -#N canvas 256 141 560 517 10; +#N canvas 1 53 560 517 10; +#X declare -lib windowing; #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 welch~ 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 +#X obj 3 227 cnv 3 550 3 empty \$0-pddp.cnv.inlets inlets 8 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 +#X obj 3 287 cnv 3 550 3 empty \$0-pddp.cnv.outlets outlet 8 12 0 13 +-228856 -1 0; +#X obj 3 347 cnv 3 550 3 empty \$0-pddp.cnv.more_info more_info 8 12 +0 13 -228856 -1 0; +#X obj 72 247 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 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 102 365 pddp/pddplink http://en.wikipedia.org/wiki/Window_function +#X obj 102 353 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 obj 127 109 sig~ 1; -#N canvas 0 0 450 300 graph3 0; +#N canvas 0 0 450 300 (subpatch) 0; #X array \$0-welch 64 float 0; #X coords 0 1 63 -1 200 140 1; #X restore 326 65 graph; -#X text 102 406 Windowing functions are used with FFTs. These transform +#X text 102 394 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 +#X text 102 246 SIGNAL: the height (amplitude) of the window is controlled by the signal on its inlet.; #X obj 127 158 tabsend~ \$0-welch; #X obj 127 132 welch~; #X text 169 53 1-abs(x); -#X obj 102 379 pddp/pddplink http://en.wikipedia.org/wiki/Welch_method +#X obj 102 367 pddp/pddplink http://en.wikipedia.org/wiki/Welch_method -text wikipedia: Welch's method; -#X obj 102 392 pddp/pddplink http://mathworld.wolfram.com/WelchApodizationFunction.html +#X obj 102 380 pddp/pddplink http://mathworld.wolfram.com/WelchApodizationFunction.html -text mathworld link; -#X text 103 317 SIGNAL: a welch window with size=dsp blocksize; +#X text 103 305 SIGNAL: a welch window with size=dsp blocksize; #X text 15 6 description: generates a welch window for each dsp block ; #X obj 435 6 pddp/pddplink http://wiki.puredata.info/en/welch~ -text pdpedia: welch~; -#X obj 73 319 cnv 17 3 30 empty \$0-pddp.cnv.let.0 0 5 9 0 16 -228856 +#X obj 73 307 cnv 17 3 30 empty \$0-pddp.cnv.let.0 0 5 9 0 16 -228856 -162280 0; +#N canvas 290 303 494 344 META 0; +#X text 12 125 HELP_PATCH_AUTHORS "pd meta" information added by Jonathan +Wilkes for Pd version 0.42.; +#X text 12 25 LICENSE GPL v2; +#X text 12 5 KEYWORDS signal; +#X text 12 65 INLET_0 signal; +#X text 12 85 OUTLET_0 signal; +#X text 12 105 AUTHOR Joe Sarlo; +#X text 12 45 DESCRIPTION generate a welch window for each dsp block +; +#X restore 505 480 pd META; #X connect 7 0 14 0; #X connect 8 0 7 0; #X connect 9 0 8 0; |