/usr/share/puredata/doc/3.audio.examples/C08.analog.sequencer.pd is in puredata-doc 0.45.4-1.
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;
#X text 30 8 bang to recalculate the envelope table (I did this but
then went in and changed it with the mouse afterward.);
#X text 84 299 The sequence is just a list of specified frequencies
\; the wavetable is a cosine.;
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#X text 46 1 ANALOG-SYNTH-STYLE SEQUENCER;
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#X text 97 194 main loop: sawtooth of amplitude 9;
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#X text 123 336 multiply envelope by audio-frequency sawtooth;
#X text 147 361 adjust amplitude and center for wavetable;
#X text 62 428 multiply by raised-cosine smoothing function;
#X text 478 401 how to make the tables:;
#X text 27 27 Some control operations can be carried out entirely by
tilde objects passing audio signals around. Here is an imitation of
an analog sequencer and envelope generator. A phasor~ loops through
the "sequence" table at 0.6 Hz \, generating 9 frequencies. Simultaneously
\, by multiplying by 9 and wrapping \, we create a sawtooth at 9*0.6=5.4
Hz \, which reads a second table for an envelope shape. This becomes
the grain size for a sampler based on the 18.sampler.looped example
earlier.;
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