blob: ac715ac472a2bcd1c0d6649f3d21a41ca2e3a2e1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#N canvas 256 141 559 517 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 gaussian~ 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 3 319 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 obj 127 109 sig~ 1;
#N canvas 0 0 450 300 graph3 0;
#X array \$0-gaussian 64 float 0;
#X coords 0 1 63 -1 200 140 1;
#X restore 326 65 graph;
#X text 103 405 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 text 15 6 description: generates a gaussian window for each dsp
block;
#X obj 435 6 pddp/pddplink http://wiki.puredata.info/en/gaussian~ -text
pdpedia: gaussian~;
#X obj 127 132 gaussian~;
#X obj 127 158 tabsend~ \$0-gaussian;
#X text 103 327 SIGNAL: a gaussian window with size=dsp blocksize;
#X obj 197 86 hsl 71 15 0 2 0 0 empty empty empty -2 -6 0 10 -262144
-1 -1 1750 1;
#X floatatom 192 105 5 0 0 0 - - -;
#X msg 121 66 0.5;
#X text 102 284 FLOAT: the width of the gaussian distribution curve
is controlled by floats in the inlet;
#X text 169 54 2^(-(x/d)^2);
#X obj 102 378 pddp/pddplink http://en.wikipedia.org/wiki/Gaussian_function
-text wikipedia: gaussian function;
#X obj 102 392 pddp/pddplink http://mathworld.wolfram.com/GaussianFunction.html
-text mathworld link;
#X obj 73 326 cnv 17 3 30 empty \$0-pddp.cnv.let.0 0 5 9 0 16 -228856
-162280 0;
#X connect 7 0 14 0;
#X connect 8 0 7 0;
#X connect 9 0 8 0;
#X connect 9 0 25 0;
#X connect 14 0 20 0;
#X connect 20 0 21 0;
#X connect 23 0 24 0;
#X connect 24 0 20 0;
#X connect 25 0 23 0;
|
