MOTM

all,
  on the analog devices website..
found chip # AD9851.   outputs a digitized analog sinewave.  the cool thing 
is though that    "The device provides 5-bits of digitally-controlled phase 
modulation which enables phase shifting of its output in increments of 180°, 
90°, 45°, 22.5°, 11.25°, and any combination thereof. "   Phase control..   
now if the thing can generate LFO range waves.....   useful I woudl think as 
a basis for something right?  Shepard tones and im sure alot more.
output tuning resolution of 40 milli hertz   pretty good, no?
later,
~Steve