My new help files for Jsarlo's windowing lib

svn path=/trunk/externals/windowing/; revision=9093

5 files changed, 272 insertions, 0 deletions

diff --git a/blackman~-help.pd b/blackman~-help.pd
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+++ b/blackman~-help.pd
@@ -0,0 +1,51 @@
+#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
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+-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;
diff --git a/connes~-help.pd b/connes~-help.pd
new file mode 100644
index 0000000..c4fce2f
--- /dev/null
+++ b/connes~-help.pd
@@ -0,0 +1,56 @@
+#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
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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 103 407 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;
diff --git a/cosine~-help.pd b/cosine~-help.pd
new file mode 100644
index 0000000..50bb1c9
--- /dev/null
+++ b/cosine~-help.pd
@@ -0,0 +1,53 @@
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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
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+#X text 168 40 formula:;
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+-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;
diff --git a/hamming~-help.pd b/hamming~-help.pd
new file mode 100644
index 0000000..f5ed123
--- /dev/null
+++ b/hamming~-help.pd
@@ -0,0 +1,57 @@
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+14 -228856 -66577 0;
+#X obj 4 -17 cnv 15 550 40 empty \$0-pddp.cnv.header hamming~ 3 12
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+-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;
diff --git a/hanning~-help.pd b/hanning~-help.pd
new file mode 100644
index 0000000..bd46b48
--- /dev/null
+++ b/hanning~-help.pd
@@ -0,0 +1,55 @@
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+14 -228856 -66577 0;
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+#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 - - -;
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+#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;