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diff --git a/desiredata/doc/3.audio.examples/G06.octave.doubler.pd b/desiredata/doc/3.audio.examples/G06.octave.doubler.pd
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--- a/desiredata/doc/3.audio.examples/G06.octave.doubler.pd
+++ /dev/null
@@ -1,114 +0,0 @@
-#N canvas 110 17 775 614 12;
-#X obj 463 303 loadbang;
-#X obj 553 222 adc~ 1;
-#X obj 463 358 soundfiler;
-#X obj 31 394 output~;
-#X obj 554 269 tabwrite~ E03-table;
-#X msg 463 330 read ../sound/voice.wav E03-table;
-#X obj 58 83 fiddle~ 2048;
-#X obj 126 106 unpack;
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-#X restore 349 22 graph;
-#X text 347 161 ---- 44103 samples ----;
-#X obj 35 77 +~ 1;
-#X obj 35 25 phasor~ 1;
-#X obj 35 50 *~ 44100;
-#X obj 35 106 tabread4~ E03-table;
-#X obj 35 132 outlet~;
-#X text 46 238 one-second sample reader loop. You can replace this
-with an adc~ if you want to go live.;
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-#X restore 31 30 pd looper;
-#X text 547 309 re-read original sample;
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--1;
-#X text 584 244 <-- record a sample;
-#X text 152 314 on/off for original;
-#X text 123 330 <--and processed sounds;
-#X text 240 3 OCTAVE DOUBLING VIA VARIABLE COMB FILTER;
-#X obj 31 367 +~;
-#X obj 252 157 samplerate~;
-#X obj 199 156 t f b;
-#X obj 59 58 delwrite~ G06-del 100;
-#X obj 79 234 delread~ G06-del;
-#X obj 101 282 vd~ G06-del;
-#X obj 78 306 +~;
-#X obj 230 210 +;
-#X obj 199 131 expr 500/$f1;
-#X obj 230 262 line~;
-#X obj 230 239 pack 0 20;
-#X text 243 108 fundamental frequency;
-#X text 311 131 1/2 period \, in msec;
-#X text 286 201 estimate fiddle~ delay;
-#X text 491 592 updated for Pd version 0.37-1;
-#X text 159 401 We already saw how to use ring modulation to alias
-a pitched sound down one octave. Here we do the reverse: filter out
-all odd harmonics using a variable-delay comb filter tuned one octave
-above the incoming sound. We use two taps into the delay line. The
-fixed one (delread~) adjusts for the delayed output of fiddle~. The
-variable one (vd~) adds to this an additional delay equal to 1/2 the
-measured period of the incoming sound. THese two are added. Odd harmonics
-are 180 degrees out of phase at the two taps and cancel. Even harmonics
-get through - so the sound goes up an octave \, without denaturing
-the timbre as a speed-up would.;
-#X obj 252 183 expr 2048000/$f1;
-#X text 288 216 as one window (in msec);
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