From 64fdb009695828b788fce074135b20a5e52c5fc4 Mon Sep 17 00:00:00 2001 From: Thomas Grill Date: Tue, 23 Sep 2003 00:21:28 +0000 Subject: imported version 0.37-0 svn path=/trunk/; revision=1016 --- pd/doc/5.reference/fft~.pd | 64 ---------------------------------------------- 1 file changed, 64 deletions(-) delete mode 100644 pd/doc/5.reference/fft~.pd (limited to 'pd/doc/5.reference/fft~.pd') diff --git a/pd/doc/5.reference/fft~.pd b/pd/doc/5.reference/fft~.pd deleted file mode 100644 index 149a6634..00000000 --- a/pd/doc/5.reference/fft~.pd +++ /dev/null @@ -1,64 +0,0 @@ -#N canvas 22 7 886 436 12; -#X text 85 158 frequency; -#X floatatom 16 173 0 0 0; -#X obj 16 120 * 44100; -#X floatatom 16 94 0 0 0; -#X text 88 92 frequency; -#X text 91 111 in bins; -#X text 85 175 in Hz.; -#X obj 16 229 osc~; -#X obj 36 16 fft~; -#X obj 86 17 ifft~; -#X text 146 15 - forward and inverse complex FFT; -#X obj 36 42 rfft~; -#X obj 86 43 rifft~; -#X text 146 41 - forward and inverse real FFT; -#X obj 16 254 rfft~; -#X obj 16 148 / 64; -#X obj 574 21 loadbang; -#X msg 574 47 \; pd dsp 1; -#X text 636 403 updated for Pd version 0.33; -#X obj 16 322 rifft~; -#X obj 102 310 print~ real; -#X obj 115 285 print~ imaginary; -#X obj 16 352 /~ 64; -#X obj 16 407 print~ resynthesized; -#X msg 30 380 bang; -#X msg 101 248 bang; -#X msg 100 199 0.25; -#X msg 152 199 0; -#X text 195 200 <-- bash phase; -#X text 152 249 <-- print analysis; -#X text 79 380 <-- print resynthesis; -#X text 76 352 <-- renormalize; -#X text 347 294 There is no normalization \, so that an FFT followed -by an IFFT has a gain of N.; -#X text 346 343 See the FFT examples to see how to use these in practice. -; -#X text 346 112 The FFT objects do Fourier analyses and resyntheses -of incoming real or complex signals. Complex signals are handled as -pairs of signals (real and imaginary part.) The analysis size is one -block (you can use the block~ or switch~ obejcts to control block size). -; -#X text 347 205 The real FFT outputs N/2+1 real parts and N/2-1 imaginary -parts. The other outputs are zero. At DC and at the Nyquist there is -no imaginary part \, but the second through Nth output is as a real -and imaginary pair \, which can be thought of as the cosine and sin -component strengths.; -#X connect 1 0 7 0; -#X connect 2 0 15 0; -#X connect 3 0 2 0; -#X connect 7 0 14 0; -#X connect 14 0 20 0; -#X connect 14 0 19 0; -#X connect 14 1 21 0; -#X connect 14 1 19 1; -#X connect 15 0 1 0; -#X connect 16 0 17 0; -#X connect 19 0 22 0; -#X connect 22 0 23 0; -#X connect 24 0 23 0; -#X connect 25 0 20 0; -#X connect 25 0 21 0; -#X connect 26 0 7 1; -#X connect 27 0 7 1; -- cgit v1.2.1