[LAD] [LAU] So what's the deal with controlling the aeolus organ?stops via midi

David Robillard dave at drobilla.net
Wed Oct 7 01:17:51 UTC 2009

On Tue, 2009-10-06 at 22:45 +0200, Fons Adriaensen wrote:
> On Tue, Oct 06, 2009 at 07:26:18PM +0200, Ralf Mardorf wrote:
> > I don't know Aeolus, but usually a user should be able to change between 
> > setting 1 and setting 2 by the GUI of the application, just by using the 
> > mouse and without any knowledge about 0xf0 and 0xf7. The SysEx data 
> > should be sent by MIDI, while the user just switch from setting 1 to 
> > setting 2 by the GUI and a sequencer could receive it.
> > 
> > A misunderstanding because we are writing on English? It's not my native 
> > language ;).
> A misunderstanding because you are apparently not aware of
> how Aeolus is controlled. With the default instrument setup
> there are around 55 'stops' wich can be switched ON or OFF
> individually. In general Aeolus could have up to 256 of such
> binary switches. Not all combinations make sense, but there
> are still zillions of them that do. Such a system does not
> map to anything standard in MIDI, but it is how a real pipe
> organ is controlled.

There's 16,384 NRPNs, easy fit.  Bit high resolution/bloatey for binary
toggles, but a sysex solution would be just as bloatey anyway.


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