#N canvas 11 0 944 595 12; #X text 60 368 frequency; #X obj 20 238 tabwrite~ array2; #X msg 141 117 0; #N canvas 245 0 864 679 fft-analysis 0; #X obj 57 75 *~; #X obj 98 191 *~; #X graph graph1 0 -1 256 1 397 304 797 4; #X array array1 256 float 0; #X pop; #X graph graph2 0 -1 256 1 397 631 797 331; #X array array2 256 float 0; #X pop; #X obj 57 4 inlet~; #X obj 57 192 *~; #X obj 57 310 tabsend~ array1; #X msg 442 673 \; array1 resize 256 \; array2 resize 256; #X obj 76 48 tabreceive~ array2; #X obj 57 136 rfft~; #X obj 57 222 rifft~; #X obj 80 283 outlet~; #X obj 229 216 print~; #X msg 229 188 bang; #X obj 94 632 block~ 256 2; #X text 82 30 Hanning window; #X text 61 106 forward real FFT; #X text 74 243 inverse real FFT; #X text 121 126 renormalize by 1/256; #X obj 120 144 sig~ 0.0039; #X connect 0 0 9 0; #X connect 1 0 10 1; #X connect 4 0 0 0; #X connect 5 0 10 0; #X connect 8 0 0 1; #X connect 9 0 5 0; #X connect 9 0 12 0; #X connect 9 1 1 0; #X connect 10 0 11 0; #X connect 10 0 6 0; #X connect 13 0 12 0; #X connect 19 0 5 1; #X connect 19 0 1 1; #X restore 133 430 pd fft-analysis; #X floatatom 133 379 0 0 0; #X obj 134 525 dac~; #X graph graph1 0 -1 256 1 352 461 608 261; #X array array3 256 float 0; #X pop; #X obj 141 462 tabwrite~ array3; #X msg 77 442 bang; #X obj 133 324 * 44100; #X obj 133 352 / 256; #X floatatom 133 298 0 0 0; #X text 71 165 sample rate / 256; #X text 17 23 CLICK HERE TO; #X text 15 41 CALCULATE HANNING; #X text 14 58 WINDOW TABLE; #X msg 20 79 bang \; pd dsp 1; #X text 40 289 frequency; #X text 50 305 in bins; #X text 62 385 in Hz.; #X text 14 440 scope; #X text 236 23 A patch to test the rfft~ and rifft~ modules. An incoming sine wave is Hanning windowed and transformed. The inverse transform is then output.; #X text 235 70 The block size (256) and overlap (2) are set by the block~ object in the sub-patch. The output is automatically overlap-added by the outlet~ object.; #X floatatom 778 111 0 0 0; #N canvas 194 37 397 591 output 0; #X obj 72 249 t b; #X obj 72 173 f; #X obj 73 89 inlet; #X text 86 54 mute; #X obj 72 280 f; #X msg 149 292 0; #X msg 72 125 bang; #X obj 73 197 moses 1; #X obj 149 263 t b f; #X obj 109 543 outlet; #X msg 108 503 set \$1; #X obj 92 337 s master-amp; #X obj 206 153 r master-amp; #X obj 107 424 r master-amp; #X obj 206 186 moses 1; #X obj 249 494 dbtorms; #X obj 251 520 pack 0 100; #X obj 252 548 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 778 83 pd output; #X msg 778 55 mute; #X text 821 115 AMPLITUDE; #X obj 778 142 s master-amp; #X obj 191 522 line~; #X obj 134 495 *~; #X text 236 124 You can close the sub-patch if table updates are interfering with your audio output.; #X obj 191 495 r master-out; #X obj 36 166 osc~; #X obj 35 118 samplerate~; #X obj 36 142 / 256; #X obj 36 189 *~ -0.5; #X obj 36 209 +~ 0.5; #X obj 133 405 osc~; #X connect 2 0 32 1; #X connect 3 0 7 0; #X connect 3 0 29 0; #X connect 4 0 37 0; #X connect 8 0 7 0; #X connect 9 0 10 0; #X connect 10 0 4 0; #X connect 11 0 9 0; #X connect 16 0 1 0; #X connect 16 0 2 0; #X connect 16 0 33 0; #X connect 23 0 27 0; #X connect 24 0 23 0; #X connect 25 0 24 0; #X connect 28 0 29 1; #X connect 29 0 5 0; #X connect 31 0 28 0; #X connect 32 0 35 0; #X connect 33 0 34 0; #X connect 34 0 32 0; #X connect 35 0 36 0; #X connect 36 0 1 0; #X connect 37 0 3 0;