diff options
Diffstat (limited to 'blackman~-help.pd')
| -rw-r--r-- | blackman~-help.pd | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/blackman~-help.pd b/blackman~-help.pd index f54f8c6..f82b4e6 100644 --- a/blackman~-help.pd +++ b/blackman~-help.pd @@ -1,14 +1,15 @@ -#N canvas 256 141 561 517 10; +#N canvas 1 53 561 517 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 blackman~ 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 3 239 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 3 299 cnv 3 550 3 empty \$0-pddp.cnv.outlets outlet 8 12 0 13 +-228856 -1 0; +#X obj 3 359 cnv 3 550 3 empty \$0-pddp.cnv.more_info more_info 8 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:; @@ -25,7 +26,7 @@ block; #X obj 127 109 sig~ 1; #X obj 127 132 blackman~; -#N canvas 0 0 450 300 graph3 0; +#N canvas 0 0 450 300 (subpatch) 0; #X array \$0-blackman 64 float 0; #X coords 0 1 63 -1 200 140 1; #X restore 326 65 graph; @@ -33,7 +34,6 @@ block; #X text 168 55 0.42+(0.5*cos(pi*x))+; #X obj 102 380 pddp/pddplink http://mathworld.wolfram.com/BlackmanFunction.html -text mathworld link; -#X text 103 317 SIGNAL: a blackman window with size=dsp blocksize; #X obj 435 6 pddp/pddplink http://wiki.puredata.info/en/blackman~ -text pdpedia: blackman~; #X text 102 394 Windowing functions are used with FFTs. These transform @@ -41,13 +41,27 @@ 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 127 158 tabsend~ \$0-blackman; #X obj 73 319 cnv 17 3 30 empty \$0-pddp.cnv.let.0 0 5 9 0 16 -228856 -162280 0; +#X text 102 259 signal; +#X text 102 318 signal; +#X text 152 259 - the height (amplitude) of the window is controlled +by the signal on its inlet.; +#X text 152 318 - a blackman window with size=dsp blocksize; +#N canvas 308 206 494 344 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 blackman window for each dsp block +; +#X restore 505 480 pd META; #X connect 7 0 15 0; #X connect 8 0 7 0; #X connect 9 0 8 0; #X connect 15 0 16 0; -#X connect 16 0 25 0; +#X connect 16 0 23 0; |