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author | Guenter Geiger <ggeiger@users.sourceforge.net> | 2002-07-29 17:06:19 +0000 |
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committer | Guenter Geiger <ggeiger@users.sourceforge.net> | 2002-07-29 17:06:19 +0000 |
commit | 57045df5fe3ec557e57dc7434ac1a07b5521bffc (patch) | |
tree | 7174058b41b73c808107c7090d9a4e93ee202341 /pd/doc/4.fft.examples/02.noisefft.pd | |
parent | da38b3424229e59f956252c3d89895e43e84e278 (diff) |
This commit was generated by cvs2svn to compensate for changes in r58,
which included commits to RCS files with non-trunk default branches.
svn path=/trunk/; revision=59
Diffstat (limited to 'pd/doc/4.fft.examples/02.noisefft.pd')
-rw-r--r-- | pd/doc/4.fft.examples/02.noisefft.pd | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/pd/doc/4.fft.examples/02.noisefft.pd b/pd/doc/4.fft.examples/02.noisefft.pd new file mode 100644 index 00000000..65b4d92f --- /dev/null +++ b/pd/doc/4.fft.examples/02.noisefft.pd @@ -0,0 +1,267 @@ +#N canvas 24 0 884 580 12; +#X obj 279 320 sig~; +#X obj 187 375 *~; +#X floatatom 279 274 0 0 0; +#X floatatom 183 273 0 0 0; +#X obj 183 319 sig~; +#X text 10 246 frequency; +#N canvas 45 63 925 609 fft-analysis 0; +#X obj 241 228 + 1; +#X msg 313 322 0; +#X obj 127 190 *~; +#X obj 38 69 *~; +#X obj 37 38 *~; +#X obj 72 436 *~; +#X graph graph1 0 0 1024 1 476 244 876 44; +#X array fftout 1024 float 0; +#X pop; +#X obj 37 4 inlet~; +#X obj 37 436 *~; +#X obj 94 271 tabsend~ fftout; +#X obj 76 38 tabreceive~ hanning; +#X obj 38 116 rfft~; +#X obj 37 461 rifft~; +#X obj 37 517 outlet~; +#X text 88 21 Hanning window; +#X text 31 94 forward real FFT; +#X text 52 479 inverse real FFT; +#X obj 36 555 block~ 1024 2; +#X obj 72 69 sig~ 0.03125; +#X graph graph1 0 0 1024 1 476 554 876 354; 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+#X text 304 404 average; +#X msg 303 61 100; +#X connect 0 0 22 0; +#X connect 1 0 34 0; +#X connect 1 0 39 0; +#X connect 2 0 21 1; +#X connect 3 0 11 0; +#X connect 4 0 3 0; +#X connect 5 0 12 1; +#X connect 7 0 4 0; +#X connect 8 0 12 0; +#X connect 10 0 4 1; +#X connect 11 0 8 0; +#X connect 11 0 20 0; +#X connect 11 0 20 1; +#X connect 11 1 5 0; +#X connect 11 1 2 0; +#X connect 11 1 2 1; +#X connect 12 0 13 0; +#X connect 18 0 3 1; +#X connect 20 0 21 0; +#X connect 21 0 9 0; +#X connect 21 0 33 0; +#X connect 22 0 30 0; +#X connect 23 0 24 1; +#X connect 23 0 44 0; +#X connect 24 0 40 0; +#X connect 24 0 25 0; +#X connect 25 0 24 1; +#X connect 26 0 27 0; +#X connect 27 0 24 0; +#X connect 28 0 44 1; +#X connect 29 0 33 1; +#X connect 29 0 37 1; +#X connect 30 1 32 0; +#X connect 30 2 31 1; +#X connect 31 0 34 0; +#X connect 31 0 39 0; +#X connect 32 0 31 0; +#X connect 33 0 36 0; +#X connect 34 0 36 1; +#X connect 35 0 1 0; +#X connect 36 0 37 0; +#X connect 37 0 38 0; +#X connect 40 0 44 0; 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+#X text 175 148 sample rate / window size; +#X msg 23 94 bang; +#X obj 66 269 sig~ 0.5; +#X obj 49 300 *~; +#X obj 22 38 loadbang; +#X obj 113 117 samplerate~; +#X connect 0 0 1 0; +#X connect 1 0 3 1; +#X connect 3 0 15 0; +#X connect 4 0 3 0; +#X connect 5 0 0 1; +#X connect 10 0 11 0; +#X connect 11 0 0 0; +#X connect 13 0 2 0; +#X connect 13 0 5 0; +#X connect 13 0 17 0; +#X connect 14 0 15 1; +#X connect 15 0 2 0; +#X connect 16 0 13 0; +#X connect 17 0 10 0; +#X restore 328 203 pd hanning-window; +#X obj 99 346 *~; +#X text 177 250 oscillator; +#X obj 166 349 noise~; +#X text 278 249 noise; +#X obj 99 374 +~; +#X text 214 232 amplitudes; +#X msg 26 84 \; pd dsp 1; +#X obj 98 207 *; +#X obj 135 181 loadbang; +#X obj 135 205 samplerate~; +#X text 22 51 CLICK HERE; +#X floatatom 673 67 0 0 0; +#N canvas 194 37 397 591 output 0; +#X obj 61 212 t b; +#X obj 61 147 f; +#X obj 62 76 inlet; +#X text 73 46 mute; +#X obj 61 238 f; +#X msg 127 248 0; +#X msg 61 106 bang; +#X obj 62 167 moses 1; +#X obj 127 224 t b f; +#X obj 93 462 outlet; +#X msg 92 428 set \$1; +#X obj 78 286 s master-amp; +#X obj 175 130 r master-amp; +#X obj 91 360 r master-amp; +#X obj 175 158 moses 1; +#X obj 212 420 dbtorms; +#X obj 213 442 pack 0 100; +#X obj 214 466 s master-out; +#X connect 0 0 4 0; +#X connect 1 0 7 0; +#X connect 2 0 6 0; +#X connect 4 0 11 0; +#X connect 5 0 11 0; +#X connect 6 0 1 0; +#X connect 7 0 0 0; +#X connect 7 1 8 0; +#X connect 8 0 5 0; +#X connect 10 0 9 0; +#X connect 12 0 1 1; +#X connect 12 0 14 0; +#X connect 13 0 10 0; +#X connect 13 0 15 0; +#X connect 14 1 4 1; +#X connect 15 0 16 0; +#X connect 16 0 17 0; +#X restore 673 43 pd output; +#X msg 673 19 mute; +#X text 710 70 AMPLITUDE; +#X obj 673 93 s master-amp; +#X text 241 9 NOISE FLOOR MEASUREMENT; +#X text 149 31 This patch shows how you can average the RMS spectra +of many windows of an incoming "noise floor" signal to estimate its +spectrum. We'll use this in the "denoiser" patch \, next.; +#X text 30 65 TO START; +#X obj 99 515 dac~; +#X obj 132 467 r master-out; +#X text 148 100 The controls below let you send a mixture of a sine +wave and white noise. The analysis is done in a subwindow.; +#X obj 132 490 line~; +#X obj 99 490 *~; +#X obj 183 295 dbtorms; +#X obj 279 297 dbtorms; +#X connect 0 0 1 1; +#X connect 1 0 25 1; +#X connect 2 0 46 0; +#X connect 3 0 45 0; +#X connect 4 0 21 1; +#X connect 6 0 12 0; +#X connect 6 0 44 0; +#X connect 7 0 8 0; +#X connect 8 0 9 0; +#X connect 9 0 21 0; +#X connect 10 0 7 0; +#X connect 13 0 12 0; +#X connect 14 0 10 0; +#X connect 15 0 28 0; +#X connect 21 0 25 0; +#X connect 23 0 1 0; +#X connect 25 0 6 0; +#X connect 28 0 14 0; +#X connect 29 0 30 0; +#X connect 30 0 28 1; +#X connect 32 0 36 0; +#X connect 33 0 32 0; +#X connect 34 0 33 0; +#X connect 41 0 43 0; +#X connect 43 0 44 1; +#X connect 44 0 40 0; +#X connect 44 0 40 1; +#X connect 45 0 4 0; +#X connect 46 0 0 0; |