[A6] NRPN's ??

Chris Pickett chris.pickett at mail.mcgill.ca
Thu Dec 9 11:44:03 PST 2004


Boele Gerkes wrote:
> Hey, just a newbie question on this subject.
> 
> Just got myself a Novation remote 25, and trying to stear an A6 
> parameter with it just doesn't seem to work.
> 
> What I (think I) know:
> 1. A6 works with NRPN's
> 2. Recording a knob movement in Logic (for instance filtercutoff filter 
> 1) shows me a LSB = 0 (CC98) and MSB = 19 (CC99) value in the eventlist 
> in Logic.
> 3. Programming a slider on the Remote 25 with this LSB and MSB number 
> doesn't seem to do anything thoug.
> 
> 4. Yes, it is sending midi data, yes the settings on the A6 are correct 
> afaik (receiving NRPN is on, recording a few notes turning the real 
> filtercutoff knob and playing it back works, but using the Novation 
> doesn't)
> 
> Any suggestions, hints, tips etc???

There are two NRPN's, the controller number, and the actual data.  Each 
corresponds to two CC's, for a total of 4 CC's.  I forgot the exact 
numbers, something like CC95, CC96 for data and CC98, CC99 for 
controller number.  I guess what you should do is try to watch all CC's 
in that area in Logic and figure it out (the manual also says what they 
are).  By the way, the A6 NRPN's are 12-bit numbers, not 14-bit (range 
is 0-4095).

Unless your Novation can send NRPN's, it's going to be a pain using it 
to control the A6 knobs.  You'd have to either send two CC's, one as a 
coarse adjust and one as a fine adjust, or send one CC to Logic and have 
Logic convert scale that CC to an NRPN.  What you _could_ do is use the 
A6 internal CC's, if the standard ones (modwheel, velocity, etc.) aren't 
enough, and route them to whatever you want to control.

Cheers,
Chris






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