Update of /cvsroot/pure-data/externals/windowing In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv15621/windowing

Added Files: blackman~-help.pd connes~-help.pd cosine~-help.pd hamming~-help.pd hanning~-help.pd Log Message: My new help files for Jsarlo's windowing lib

--- NEW FILE: cosine~-help.pd --- #N canvas 230 69 567 494 10; #X obj 4 454 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 cosine~ 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 103 377 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; #X obj 170 143 cosine~; #N canvas 0 0 450 300 graph5 0; #X array $0-cosine 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 text 15 6 description: generates a cosine window for each dsp block ; #X obj 435 6 pddp/pddplink http://wiki.puredata.info/en/cosine~ -text pdpedia: cosine~; #X obj 170 169 tabsend~ $0-cosine; #X obj 72 319 cnv 17 3 30 empty $0-pddp.cnv.let.0 0 5 9 0 16 -228856 -162280 0; #X text 102 258 SIGNAL: the height (amplitude) of the window is controled by the signal on its inlet.; #X text 103 317 SIGNAL: a cosine (otherwise known as a sine - actually it's half a sine) window with size=dsp blocksize; #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 17 0; #X connect 17 0 22 0;

--- NEW FILE: connes~-help.pd --- #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;

--- NEW FILE: hamming~-help.pd --- #N canvas 256 141 559 514 10; #X obj 4 477 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 hamming~ 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 102 364 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 15 6 description: generates a hamming window for each dsp block ; #X obj 435 6 pddp/pddplink http://wiki.puredata.info/en/hamming~ -text pdpedia: hamming~; #X obj 170 122 sig~ 1; #X obj 170 146 hamming~; #N canvas 0 0 450 300 graph2 0; #X array $0-hamming 64 float 0; #X coords 0 1 63 -1 200 140 1; #X restore 334 60 graph; #X text 167 53 0.54+0.46*(cos(pi*x)); #X obj 102 377 pddp/pddplink http://en.wikipedia.org/wiki/Hamming -text wikipedia: Richard Hamming; #X obj 102 390 pddp/pddplink http://mathworld.wolfram.com/HammingFunction.html -text mathworld link; #X text 102 402 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 103 317 SIGNAL: a hamming (raised cosine) window with size=dsp blocksize; #X obj 170 171 tabsend~ $0-hamming; #X obj 72 319 cnv 17 3 30 empty $0-pddp.cnv.let.0 0 5 9 0 16 -228856 -162280 0; #X text 102 258 SIGNAL: the height (amplitude) of the window is controlled by the signal on its inlet.; #X connect 7 0 17 0; #X connect 8 0 7 0; #X connect 9 0 8 0; #X connect 10 0 9 0; #X connect 17 0 18 0; #X connect 18 0 25 0;

--- NEW FILE: blackman~-help.pd --- #N canvas 256 141 561 517 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 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 -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 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 -text wikipedia: window functions; #X obj 438 -14 import windowing; #X msg 36 154 ; pd dsp 1; #X text 21 85 height --->; #X text 15 6 description: generates a blackman window for each dsp block; #X obj 127 109 sig~ 1; #X obj 127 132 blackman~; #N canvas 0 0 450 300 graph3 0; #X array $0-blackman 64 float 0; #X coords 0 1 63 -1 200 140 1; #X restore 326 65 graph; #X text 168 70 0.8*cos(2*pi*x); #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 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 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;

--- NEW FILE: hanning~-help.pd --- #N canvas 283 199 561 515 10; #X obj 4 474 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 hanning~ 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 obj 170 141 hanning~; #N canvas 0 0 450 300 graph1 0; #X array $0-hanning 64 float 0; #X coords 0 1 63 -1 200 140 1; #X restore 302 54 graph; #X text 168 53 0.5*(1+cos(pi*x)); #X obj 170 121 sig~ 1; #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 435 6 pddp/pddplink http://wiki.puredata.info/en/hanning~ -text pdpedia: hanning~; #X obj 102 376 pddp/pddplink http://en.wikipedia.org/wiki/Hanning -text wikipedia: hanning function; #X obj 102 389 pddp/pddplink http://mathworld.wolfram.com/HanningFunction.html -text mathworld link; #X obj 102 363 pddp/pddplink http://en.wikipedia.org/wiki/Window_function -text wikipedia: window functions; #X obj 438 -14 import windowing; #X text 103 317 SIGNAL: a hanning (inverted cosine) window with size=dsp blocksize; #X msg 36 154 ; pd dsp 1; #X text 21 85 height --->; #X text 15 6 description: generates a hanning window for each dsp block ; #X text 102 402 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 170 167 tabsend~ $0-hanning; #X text 102 258 SIGNAL: the height (amplitude) of the window is controled by the signal on its inlet.; #X connect 6 0 25 0; #X connect 9 0 6 0; #X connect 11 0 9 0; #X connect 12 0 11 0; #X connect 13 0 12 0; #X connect 14 0 13 0;