BTW it turns out that doubling CCs IS NRPN. So I guess you won't be
doubling any CCs!
--- In korgpolyex@yahoogroups.com, "zoinky420" <zoinky420@...> wrote:
>
> Yeah obviously I dont know much about this, I just wanted to bring
it
> to your attention in case it matters. People on various forums
seem
> to think it does, claiming that at 7-bit they, for example, get a
1db
> jump from a single fader/knob increment, but if 7-bit equates to
127
> steps I don't see how that would happen. But anyway if there is
some
> advantage in doubling up some CCs maybe you might want to look into
> it further. I was hoping that some wise midi guru would jump into
> this convo and straighten us out about all this but that doesn't
seem
> to be happening...
>
> --- In korgpolyex@yahoogroups.com, "korgpolyex800"
> <korgpolyex800@> wrote:
> >
> > Yes, you're right.
> >
> > 127 is decimal for 07F in hexadecimal which is 1111111 in binary
> which
> > is seven bits. My mistake.
> >
> > That blurb about 10 bits and 14 bits must be pertaining to a
> specific
> > piece of hardware because you could easily read an analog POT
with a
> > 14 bit A to D converter and get 14 bits that would be easily sent
as
> > two CC's, one for MSB and one for LSB.
> >
> > I am not that familiar with all of the different MIDI controllers
> out
> > there but I do know that some of 'em are a pain in the butt with
the
> > way they implement NPRN control. They can do it, but it's
painfully
> > inflexible.
> >
> > Anyway, the main thing is, I'm not going to begin with NRPN's.
I'll
> > use the unassigned controllers as previously mentioned.
> >
> > Mike.
> >
> > --- In korgpolyex@yahoogroups.com, "zoinky420" <zoinky420@> wrote:
> > >
> > > --- In korgpolyex@yahoogroups.com, "korgpolyex800"
> > > <korgpolyex800@> wrote:
> > > >
> > > > I wasn't planning on using NPRN's in the first version of the
> > > > software. NPRN's are supported in later MIDI hardware
> controllers
> > > and
> > > > very few of the early hardware controllers support NPRN's or
if
> they
> > > > do support NPRN's, they don't it very nicely anyway.
> > > >
> > >
> > > hmm, my JL Cooper Fadermaster is the oldest one I can think of
> and it
> > > does NRPN just as well as CC. It's sysex is that is
difficult.
> Do
> > > you know which old controllers have trouble with NRPN? (BTW I
was
> the
> > > one who originally claimed they didn't in this group, so if you
> are
> > > going by that old post, I was wrong!)
> > >
> > > > Each one of those unassigned MIDI CC's has only 127 bit
> resolution,
> > > > but that's perfect for the Poly 800. So I think we are good
to
> go
> > > there.
> > > >
> > >
> > > No, CCs are definitely 7-bit. See here:
> > >
> > > <http://www.midibox.org/dokuwiki/midi_specification>
> > >
> > > "There are two ways to use 14-bit MIDI Messages; the trick is,
to
> > > combine two 7-bit Messages to one 14-bit:
> > >
> > > -using RPNs
> > >
> > > -using NRPNs
> > >
> > > -sending two Controller Messages, eg:
> > >
> > > CC 12, Effect Ctrl 1 (MSB = Most Significant Byte)
> > > CC 44, Effect Ctrl 1 (LSB = Least Significant Byte)
> > >
> > > Sending 14bit from one pot is only possible if you're hacking
the
> > > code. Because Pots are being read as 10-bit value, you have to
> > > interpolate to 14 bit and implement a NRPN or dual-CC method.
> > >
> >
>