[PD-cvs] abstractions/fft_convolution fft_convolution-help.pd,NONE,1.1 fft_convolution.pd,NONE,1.1

[ggeiger at users.sourceforge.net]

Update of /cvsroot/pure-data/abstractions/fft_convolution
In directory sc8-pr-cvs1:/tmp/cvs-serv886/fft_convolution

Added Files:
	fft_convolution-help.pd fft_convolution.pd 
Log Message:
added fft_convolution abstraction

--- NEW FILE: fft_convolution-help.pd ---
#N canvas 529 236 450 300 10;
#N canvas 0 0 450 300 graph7 0;
#X array array2 512 float 0;
#X coords 0 1 511 -1 200 140 1;
#X restore 235 123 graph;
#X text 12 14 Create the filter array first (size gets set by abstraction)
;
#X obj 13 190 dac~;
#X obj 21 144 *~ 0.01;
#X text 12 32 Only first half of filter array can be used;
#X obj 21 82 noise~;
#X msg 105 252 \; array2 const 0;
#X obj 20 103 fft_convolution 512 array2;
#X connect 3 0 2 0;
#X connect 3 0 2 1;
#X connect 5 0 7 0;
#X connect 7 0 3 0;

--- NEW FILE: fft_convolution.pd ---
#N canvas 106 37 394 431 10;
#X obj 46 70 inlet~;
#X obj 93 290 outlet~;
#X obj 47 168 *~;
#X obj 71 169 *~;
#X obj 159 163 *~;
#X obj 47 193 -~;
#X obj 187 163 *~;
#X obj 158 186 +~;
#X obj 90 72 tabreceive~ step;
#X obj 47 92 *~;
#X obj 47 114 rfft~;
#X obj 202 116 rfft~;
#X obj 92 224 rifft~;
#X obj 264 56 block~ \$1 2;
#X obj 27 312 loadbang;
#X obj 90 54 table step;
#X obj 27 329 f \$1;
#X obj 27 347 * 0.5;
#X msg 81 313 bang;
#X text 87 37 only use half of the buffer;
#X msg 27 365 \; step resize \$1 \; step const 1 \;;
#X text 145 292 overlap/add is done by outlet~;
#X obj 93 271 *~ 0.1;
#X msg 148 235 1;
#X obj 148 253 /;
#X obj 148 216 t b f;
#X text 18 6 Usage: fft_convolution <fftsize> <filtername>;
#X obj 245 77 tabreceive~ \$2;
#X obj 127 320 t b f;
#X obj 127 356 pack s 0;
#X obj 127 338 symbol \$2;
#X msg 127 375 \; \$1 resize \$2;
#X text 10 412 (C) 2003 GG;
#X connect 0 0 9 0;
#X connect 2 0 5 0;
#X connect 3 0 5 1;
#X connect 4 0 7 0;
#X connect 5 0 12 0;
#X connect 6 0 7 1;
#X connect 7 0 12 1;
#X connect 8 0 9 1;
#X connect 9 0 10 0;
#X connect 10 0 2 0;
#X connect 10 0 4 0;
#X connect 10 1 3 0;
#X connect 10 1 6 0;
#X connect 11 0 2 1;
#X connect 11 0 6 1;
#X connect 11 1 3 1;
#X connect 11 1 4 1;
#X connect 12 0 22 0;
#X connect 14 0 16 0;
#X connect 16 0 17 0;
#X connect 16 0 25 0;
#X connect 16 0 28 0;
#X connect 17 0 20 0;
#X connect 18 0 16 0;
#X connect 22 0 1 0;
#X connect 23 0 24 0;
#X connect 24 0 22 1;
#X connect 25 0 23 0;
#X connect 25 1 24 1;
#X connect 27 0 11 0;
#X connect 28 0 30 0;
#X connect 28 1 29 1;
#X connect 29 0 31 0;
#X connect 30 0 29 0;