Dave Smith Instruments SYNTHESIZERS

1.  try turning on Osc Sync.  Thats the only way I know to keep the two 
analog osc's in phase with eachother.

2.  use just one oscilator and pan it center. You shouldnt need two osc. 
to simulate an 808 kick, as they were only single oscilators that were used.

Analog oscilators drift in phase - thats just their nature, and part of 
their desired character when creating synth sounds.  This is not so good 
when your creating drum sounds, however, which need to have more static 
phase relationships.

Tony


bebotalk said  on 7/15/2005 9:06 AM:
> hello!  this is my first post here...
> 
> so an annoying problem has popped up a few times with my desktop 
> evolver:
> 
> When I've tried to create 808-style kick drums and deep dub-style 
> bass patches using the two analog oscillators tuned to the same 
> pitch (and with the amp output in "mono" rather than "stereo" mode), 
> I get a slow sweeping phase cancellation that causes the volume of 
> the sound to fluctuate in a roughly sine-wave-like pattern.  So as I 
> keep triggering the sound over the course of say 30 seconds it will 
> go through maybe one cycle of quiet and weak to full and deep.  This 
> is annoying because I want to create some deep, low speaker-rattling 
> kind of sounds.  And I know it's phase cancellation because it 
> doesn't happen if I disconnect either output from my mixer.  And 
> this is happening on sounds with no detuning, mod, filter split, or 
> anything else I can think of that would cause phasing.  I guess the 
> problem could be in my mixing board or monitor setup, but i've never 
> noticed it with other low-pitched sources.  It seems that the 
> problem is occuring in the summing of the left and right signal 
> paths of the evolver.
> 
> Any ideas or solution?
> 
> Thanks!
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> Yahoo! Groups Links
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