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#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 *~;
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#X array array1 256 float 0;
#X pop;
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#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;
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#X obj 133 324 * 44100;
#X obj 133 352 / 256;
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#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.;
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#X msg 108 503 set \$1;
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#X msg 778 55 mute;
#X text 821 115 AMPLITUDE;
#X obj 778 142 s master-amp;
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#X obj 134 495 *~;
#X text 236 124 You can close the sub-patch if table updates are interfering
with your audio output.;
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