/usr/lib/pd/extra/windowing/hamming~-help.pd is in pd-windowing 0.1-4.
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#X text 168 40 formula:;
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#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~;
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#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;
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#X text 102 258 SIGNAL: the height (amplitude) of the window is controlled
by the signal on its inlet.;
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