Korg Poly800/EX800 Users

Hi Kozmisch,

I thought a little more about Unison and portamento modes.

When you look at the design and features on the Korg EX-8000/DW-8000
you can see how Korg's engineering evolved. In the Poly 800 they used
a tone generator chip that had 8 DCO's grouped as a pair of four with
a separate clock for each pair. This naturally allowed a master
oscillator to drive the clock input along with a simple detune circuit
that would be used to make the second set of four DCO's detune away
from the first four DCO's.

In the DW-8000, Korg moved to an EPROM based waveform generation
system along with 16 separate clocks for each individual oscillator.
So unison mode in the DW-8000 sounds extremely fat and deep because
every oscillator is detuned away from the master clock. But the
clocking and TG electronics in the DW-8000 is about ten times larger
than that found in the Poly 800.

I am still investigating the tone and envelope generation parts of the
EX 800 software. Until I have a clearer idea as to how all of that
software works, I am not going to be able to make a decision on how
portamento/mono/unison mode is going to be squeezed into the EX 800.
But as I understand more about the TG and EG's, I'll keep everyone up
to date as to what I find.

Mike.


--- In korgpolyex@yahoogroups.com, "korgpolyex800" <korgpolyex800@...>
wrote:
>
> Hi Kozmisch,
> 
> Unison mode would be great if all 8 DCO's could be detuned but the MSM
> 5232 tone generator chip only has two clock inputs. One for four DCO's
> and another clock input for the other 4 DCO's.
> 
> So Unison doesn't get much although it might be of some use if each of
> the four DCO's are an octave shift away from each other.
> 
> Mike.
> 
> --- In korgpolyex@yahoogroups.com, "kozmisch" <kozmisch@> wrote:
> >
> > Hi!
> > I'm interested, if in the new soft/hardware update known as Poly/EX
> > 800 MKIII coould be a Unision Option. It would be very powerful, 8
> > DCOs, detuned, ufff...
> >
>