sem-lab_puredata/sources/abstractions/k_spectrum.pd

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#N canvas 335 184 569 608 fft 0;
#X obj 43 105 inlet~;
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#X obj 63 136 rfft~;
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#X text 127 137 Fourier series;
#X text 132 190 magnitude;
#X text 130 175 calculate;
#X text 60 26 This subpatch computes the spectrum of the incoming signal
with a (rectangular windowed) FFT. FFTs aren't properly introduced
until much later.;
#X text 105 104 signal to analyze;
#X text 194 216 delay two samples;
#X text 192 234 for better graphing;
#X obj 298 501 samplerate~;
#X obj 298 524 / 256;
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#X text 325 290 toggle to graph repeatedly;
#X text 297 263 bang to graph once;
#X obj 63 249 /~ 4096;
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#X msg 243 389 \; pd dsp 1;
#X obj 298 549 s freq;
#X obj 43 392 tabwrite~ \$0-signal;
#X obj 272 366 tabwrite~ \$0-spectrum;
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#X restore 404 361 pd fft;
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#X text 212 68 <= graph once;
#X text 211 101 <= repeatedly;
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#X restore 48 167 graph;
#X text 80 513 ---- 0.02 seconds ----;
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#X text 119 323 -- partial number --;
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