[sdiy] pitch tracking / guitar synths

[Harry Bissell Jr]

Don Tillman <don at till.com> wrote:> A piezo would probably work well also... that point HAS to be a
   > node, but its sensing pressure at that point.  I have never tried
   > a hex piezo pickup.

A piezo gets an awful lot of second harmonic.  A piezo senses pressure
and the pressure on the bridge increases both when the string swings
up and when it swings down.  Piezos also get a dc thump for each note
picked.

That should be easy to do with half-wave detection (as long as you are
  expecting it :^)
  
  The DC thump could be a bitch, though...
  
  H^) harry

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