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diff --git a/pd/doc/3.audio.examples/A06.frequency.pd b/pd/doc/3.audio.examples/A06.frequency.pd
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+#N canvas 8 17 693 642 12;
+#N canvas 0 0 450 300 graph1 0;
+#X array osc-output 4410 float 0;
+#X coords 0 1.02 4410 -1.02 200 130 1;
+#X restore 473 167 graph;
+#X obj 98 261 tabwrite~ osc-output;
+#X msg 98 232 bang;
+#X floatatom 280 66 0 0 0 0 - - -;
+#X text 147 231 <-- click to graph;
+#X obj 15 206 r frequency;
+#X msg 280 37 set \$1;
+#X floatatom 6 66 0 0 0 0 - - -;
+#X obj 6 8 r frequency;
+#X msg 6 37 set \$1;
+#X obj 19 90 s frequency;
+#X obj 280 8 r pitch;
+#X obj 289 90 s pitch;
+#X obj 280 116 mtof;
+#X obj 280 145 s frequency;
+#X obj 6 145 s pitch;
+#X obj 6 116 ftom;
+#X text 105 66 <-- set frequency;
+#X text 372 65 <-- set MIDI pitch;
+#X text 15 429 Frequency and pitch are converted using the "ftom" and
+"mtof" objects. Frequency refers to the number of cycles per second.
+Pitch is "60" for Middle C \, 61 for C sharp \, 72 for the next C up
+\, and so on.;
+#X text 476 308 ---- 0.1 seconds ----;
+#X text 447 6 FREQUENCY AND PITCH;
+#X text 16 363 The osc~ object \, if you give it an argument \, expects
+floating-point messages to set its frequency. Without arguments \,
+its frequency is controlled by connecting an audio signal to its input.
+;
+#X text 14 496 Mtof and ftom work fine for microtones (non-integral
+"MIDI pitch" ) and don't have MIDI's range restriction-- for example
+\, MIDI -36 is about 1 Hz.;
+#X text 15 553 Note also the "set" messages going to the number boxes
+so that they can each update the other without bringing on an infinite
+loop. (get help on number boxes for details.);
+#X text 87 291 <-- output level;
+#X text 51 116 <-- convert frequency;
+#X text 106 134 to "MIDI" pitch;
+#X text 327 117 <-- convert "MIDI" pitch to frequency;
+#X obj 15 273 output~;
+#X text 437 619 updated for Pd version 0.36;
+#X obj 15 232 osc~;
+#X connect 2 0 1 0;
+#X connect 3 0 12 0;
+#X connect 3 0 13 0;
+#X connect 5 0 31 0;
+#X connect 6 0 3 0;
+#X connect 7 0 10 0;
+#X connect 7 0 16 0;
+#X connect 8 0 9 0;
+#X connect 9 0 7 0;
+#X connect 11 0 6 0;
+#X connect 13 0 14 0;
+#X connect 16 0 15 0;
+#X connect 31 0 1 0;
+#X connect 31 0 29 0;