From 7d6affca746f49f5ffb2818b8a9ccf9d91388e8f Mon Sep 17 00:00:00 2001
From: Jonathan Wilkes <jancsika1@users.sourceforge.net>
Date: Wed, 25 Aug 2010 00:31:27 +0000
Subject: revised help docs that conform to the PDDP template

svn path=/trunk/; revision=13942
---
 doc/pddp/fft~-help.pd | 117 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 doc/pddp/fft~-help.pd

(limited to 'doc/pddp/fft~-help.pd')

diff --git a/doc/pddp/fft~-help.pd b/doc/pddp/fft~-help.pd
new file mode 100644
index 00000000..8581e2f0
--- /dev/null
+++ b/doc/pddp/fft~-help.pd
@@ -0,0 +1,117 @@
+#N canvas 0 0 555 619 10;
+#X obj 0 595 cnv 15 552 21 empty \$0-pddp.cnv.footer empty 20 12 0
+14 -228856 -66577 0;
+#X obj 0 0 cnv 15 552 40 empty \$0-pddp.cnv.header fft~ 3 12 0 18 -204280
+-1 0;
+#X obj 0 399 cnv 3 550 3 empty \$0-pddp.cnv.inlets inlets 8 12 0 13
+-228856 -1 0;
+#N canvas 51 246 507 361 META 0;
+#X text 12 110 PLATFORM windows macosx gnulinux;
+#X text 12 210 LIBRARY internal;
+#X text 12 250 WEBSITE http://crca.ucsd.edu/~msp/;
+#X text 12 290 RELEASE_VERSION 0.41.4;
+#X text 12 270 RELEASE_DATE 2009-06-12;
+#X text 12 70 LICENSE SIBSD;
+#X text 12 230 AUTHOR Miller Puckette;
+#X text 12 310 HELP_PATCH_AUTHORS Updated for Pd version 0.33. Jonathan
+Wilkes revised the patch to conform to the PDDP template for Pd version
+0.42.;
+#X text 12 5 GENRE help;
+#X text 12 25 NAME fft~;
+#X text 12 45 KEYWORDS signal block_oriented analysis needs_work (ifft~
+rfft~ rifft~ need separate help patches);
+#X text 12 130 INLET_0 signal;
+#X text 12 150 INLET_1 signal;
+#X text 12 170 OUTLET_0 signal;
+#X text 12 190 OUTLET_1 signal;
+#X text 12 90 DESCRIPTION Fourier analyses;
+#X restore 500 597 pd META;
+#X obj 0 460 cnv 3 550 3 empty \$0-pddp.cnv.outlets outlets 8 12 0
+13 -228856 -1 0;
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+0 13 -228856 -1 0;
+#X obj 0 551 cnv 3 550 3 empty \$0-pddp.cnv.more_info more_info 8 12
+0 13 -228856 -1 0;
+#X text 98 527 (none);
+#N canvas 103 483 428 107 Related_objects 0;
+#X obj 1 1 cnv 15 425 20 empty \$0-pddp.cnv.subheading empty 3 12 0
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+#X text 7 1 [fft~] Related Objects;
+#X obj 22 42 ifft~;
+#X obj 68 42 rfft~;
+#X obj 114 42 rifft~;
+#X obj 163 42 block~;
+#X text 211 42 [switch~];
+#X restore 101 597 pd Related_objects;
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+-162280 0;
+#X obj 491 3 fft~;
+#X obj 465 20 pddp/pddplink http://wiki.puredata.info/en/fft~ -text
+pdpedia: fft~;
+#X floatatom 15 124 0 0 0 0 - - -;
+#X obj 15 75 * 44100;
+#X floatatom 15 53 0 0 0 0 - - -;
+#X obj 15 180 osc~;
+#X obj 15 205 rfft~;
+#X obj 15 99 / 64;
+#X obj 15 261 rifft~;
+#X obj 60 261 print~ real;
+#X obj 74 236 print~ imaginary;
+#X obj 15 298 /~ 64;
+#X obj 15 364 print~ resynthesized;
+#X msg 25 337 bang;
+#X msg 60 192 bang;
+#X msg 36 150 0.25;
+#X msg 77 150 0;
+#X text 42 125 frequency in Hz.;
+#X text 43 52 frequency in bins;
+#X text 55 298 <- renormalize;
+#X text 61 337 <- print resynthesis;
+#X text 98 407 signal;
+#X text 98 432 signal;
+#X obj 78 496 cnv 17 3 17 empty \$0-pddp.cnv.let.1 1 5 9 0 16 -228856
+-162280 0;
+#X text 98 495 signal;
+#X text 98 468 signal;
+#X text 11 23 Fourier analyses;
+#X text 183 313 There is no normalization \, so that an FFT followed
+by an IFFT has a gain of N.;
+#X text 182 352 See the FFT examples to see how to use these in practice.
+;
+#X text 184 243 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 text 104 151 <- bash phase;
+#X text 92 193 <- print analysis;
+#X text 184 118 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~] objects to control block
+size).;
+#X obj 5 597 pddp/pddplink pddp/help.pd -text help;
+#X obj 455 51 pddp/dsp-reminder;
+#X obj 98 555 pddp/pddplink ../3.audio.examples/I01.Fourier.analysis.pd
+-text doc/3.audio.examples/I01.Fourier.analysis.pd;
+#X text 98 573 also see examples I02-I10 in doc/3.audio.examples;
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-- 
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