[PD-cvs] externals/windowing blackman~-help.pd, NONE, 1.1 connes~-help.pd, NONE, 1.1 cosine~-help.pd, NONE, 1.1 hamming~-help.pd, NONE, 1.1 hanning~-help.pd, NONE, 1.1

Ed Kelly edkelly at users.sourceforge.net
Thu Dec 13 06:58:26 CET 2007


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 ---
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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;
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#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 ---
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#X obj 4 -17 cnv 15 550 40 empty \$0-pddp.cnv.header connes~ 3 12 0
18 -204280 -1 0;
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12 0 13 -228856 -1 0;
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-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 ---
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#X obj 4 477 cnv 15 550 20 empty \$0-pddp.cnv.footer empty 20 12 0
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#X obj 4 -17 cnv 15 550 40 empty \$0-pddp.cnv.header hamming~ 3 12
0 18 -204280 -1 0;
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#X obj 3 299 cnv 3 550 3 empty \$0-pddp.cnv.outlets outlet 15 12 0
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#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 ---
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#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;





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