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 Sending NRPN's from Axiom 61/49
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Nigo Offline
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Joined: 20 Oct 2005
Posts: 58
Location: Denmark
Age: 37


PostPosted: Tue Aug 28, 2007 8:03 am    Post subject: Sending NRPN's from Axiom 61/49 Reply with quote

Hi there

I'm trying to use my old Roland XP10 as midi sound module and the M-
Audio Axiom 61 as midi controller. Tones and program changes work fine
and also basic midi cc's like modulation, reverb depth etc.

However - I want to use all the sliders and knobs to also control the
GS parameters like attack, decay, vibrato etc, but both the manual for
the XP10 and Axiom 61 are very cryptical on this point, and frankly I
don't understand anything of what they're saying.

I guess that the XP10 follows the GS standards, so what I basicly need
help for is to program the knobs to send the right messages.

Any midi experts out there owning an axiom 61/49 who could
tell me step by step what I need to do to.... say... program a slider
on the Axiom to control the attack time of a tone on my XP10?

I take it that one example should make me understand these manuals Wink

Thanks in advance Smile

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Dafduc Offline
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Joined: 03 Nov 2003
Posts: 14715
Location: Da Thumb
Age: 62


PostPosted: Tue Aug 28, 2007 10:19 am    Post subject: Reply with quote

In the past, you had to send sysex to reach the "internal" controls. Don't know if the GS spec made that any easier, but I'd guess that it probably only made it easier for Roland controllers, as GS is a proprietary Roland spec. Like Yamaha's XG.

ALSO - as a former XP-10 owner, I didn't think any of the sysex params were tweakable. But maybe that's only from the front panel. Never did get around to reading that owner's manual.

Daf

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Nigo Offline
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Joined: 20 Oct 2005
Posts: 58
Location: Denmark
Age: 37


PostPosted: Tue Aug 28, 2007 11:38 am    Post subject: Reply with quote

Dafduc wrote:
In the past, you had to send sysex to reach the "internal" controls. Don't know if the GS spec made that any easier, but I'd guess that it probably only made it easier for Roland controllers, as GS is a proprietary Roland spec. Like Yamaha's XG.
Daf


From the Axiom manual it seems like there's some open standards for the codes to be send to access these functions (envelope, vibrato and filter). So I guess it should be possible... I think the main problem is how to program the axiom to send the right messages.

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MDK Offline
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Joined: 28 Mar 2006
Posts: 175
Location: North Carolina
Age: 57


PostPosted: Tue Aug 28, 2007 3:38 pm    Post subject: Reply with quote

The XP10 first must be set to GS mode for any NRPN's to have any effect. The Axiom's manual explains how to assign RPN or NRPN messages to controllers in section 3.8.3.
HERE is a table for many of the GS (and XG) parameters for MSB and LSB of available NRPN's. In the Axiom: Data2=LSB, Data3=MSB. It's that simple!
I've had the Roland Sound Canvas for years, and all of its parameters are accessible via RPN, NRPN, or SysEx depending on the parameter and mode. I believe the XP10 engine is similar to the Sound Canvas and probably recognizes most of the same control and SysEx messages.
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