/usr/share/puredata/doc/3.audio.examples/spectrum-partial.pd is in puredata-doc 0.47.1-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | #N canvas 211 116 826 530 12;
#X obj 28 412 osc~;
#X obj 94 197 r poll-table;
#X obj 129 337 + 50;
#X obj 129 363 dbtorms;
#X msg 78 339 0;
#X obj 78 392 pack 0 30;
#X obj 78 422 line~;
#X obj 28 471 throw~ sum-bus;
#X obj 28 442 *~;
#X obj 28 87 r pitch;
#X obj 28 114 mtof;
#X obj 78 230 f;
#X obj 28 142 * \$1;
#X obj 37 168 ftom;
#X obj 79 256 -;
#X obj 121 255 r whammybar;
#X text 28 9 This abstraction is used by the spectrum drawing example
\, number 16...;
#X text 61 46 \$1 is the partial number.;
#X text 79 114 pitch to frequency;
#X text 78 141 then get the frequency of this specific partial;
#X text 81 167 ... and then convert back to pitch.;
#X text 115 230 ... at which time we get the pitch back...;
#X text 233 249 ... and transpose \, effectively shifting the spectral
envelope left and right.;
#X text 203 341 The vertical scale is dB from 1 to 50 \, but we want
true zero when the table value is 0 or less.;
#X text 172 398 Amplitude control via pack \, line~ \, and *~.;
#X text 171 444 Finally \, add to a summing bus via throw~. All the
throw~s in the instantiations of this abstraction will add into the
one "catch~ sum-bus" at the output.;
#X text 216 195 the calling patch bangs "poll-table" every 30 msec.
;
#X obj 78 284 tabread4 spectrum-tab;
#X text 285 288 Finally get the strength from the table. Note that
we use the control object \, tabread4 \, not tabread4~.;
#X obj 78 311 moses 1;
#X connect 0 0 8 0;
#X connect 1 0 11 0;
#X connect 2 0 3 0;
#X connect 3 0 5 0;
#X connect 4 0 5 0;
#X connect 5 0 6 0;
#X connect 6 0 8 1;
#X connect 8 0 7 0;
#X connect 9 0 10 0;
#X connect 10 0 12 0;
#X connect 11 0 14 0;
#X connect 12 0 13 0;
#X connect 12 0 0 0;
#X connect 13 0 11 1;
#X connect 14 0 27 0;
#X connect 15 0 14 1;
#X connect 27 0 29 0;
#X connect 29 0 4 0;
#X connect 29 1 2 0;
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