Korg Poly800/EX800 Users

Oops ! Sorry !

I didn't notice that. Silly me :)
So it looks like we have run out of buttons ;) !



--- In korgpolyex@yahoogroups.com, "korgpolyex800" <korgpolyex800@...>
wrote:
>
> I already have the step button doing triple duty. It gets us into
> global mode and while editing parameter values, it gets us into
> extended parameter editing mode.
> 
> So the step key is pretty busy now. LOL
> 
> --- In korgpolyex@yahoogroups.com, "elwro07" <elwro07@> wrote:
> >
> > But what about sequencer's STEP button ?
> > 
> > With sequencer's back switch in DISABLE position STEP button has no
> > function at all so i think maybe this button would be good for
> > enabling portamento.
> > 
> > 
> > 
> > 
> > --- In korgpolyex@yahoogroups.com, "devetron" <devetron@> wrote:
> > >
> > > I, for one, would prefer to retain the chord memory mode. I like
use 
> > > it for playing 2-3 octaves of the same note in mono with one
finger. 
> > > It looks like you are leaning towards keeping it after all. Thanks 
> > > for all your hard work. 
> > > 
> > > --- In korgpolyex@yahoogroups.com, "korgpolyex800" 
> > > <korgpolyex800@> wrote:
> > > >
> > > > I could rewrite the code to toggle between Poly and mono mode
using
> > > > the Poly key. Another way might be to make the Poly key the
selector
> > > > for Poly, Mono, Chord and Hold mode. Each time you press the poly 
> > > key
> > > > would move you into the next mode. That would free up the
chord and
> > > > hold buttons to be used for selecting global mode and extended
> > > > parameter entry modes (or other things if we decide to add more).
> > > > 
> > > > What do you all think?
> > > > 
> > > > I managed to finish the pitch "bending" part of the mono mode
> > > > portamento last night. Unfortunately, the results are not as good 
> > > as I
> > > > had hoped for although I was not completely surprised at the
result
> > > > that I got. The method I used to simulate portamento was to use 
> > > pitch
> > > > bend (which is a true analog bend) to slide one semitone up or
down 
> > > to
> > > > track towards the new note. Once the  bend has moved the TG half a
> > > > semitone, the DCO's are reprogrammed to change to the note
above or
> > > > below while simultaneously the bend is reset back to zero. This 
> > > would
> > > > give the portamento effect by ramping the bend a semi tone and 
> > > quickly
> > > > switching DCO semitones.
> > > > 
> > > > Well it works, and it gave me great joy to hear it working, but 
> > > alas,
> > > > resetting the bend is a little slow and you can clearly hear the
> > > > oscillator output has a little glitch each time that the semitone 
> > > note
> > > > change occurs. I now need to determine if the glitch is caused by 
> > > the
> > > > master clock being incapable of tracking the output of the DAC
when 
> > > a
> > > > square wave edge change occurs in the bend or if the DAC
sample hold
> > > > circuit is too slow. If it's just the sample and hold then I
may be
> > > > able to reduce the sample hold capacitor to improve the highest
> > > > possible rate of change. If it is due to the master clock not
being
> > > > able to change frequencies fast then I think we might be out of 
> > > luck.
> > > > So much so that the only way to get good portamento would be to 
> > > build
> > > > a new master clock that was able to slide the full five octaves.
> > > > 
> > > > Mike.
> > > >
> > >
> >
>