Dumb MIDI question

[Jeremy Brookes]

I think normally what you're altering is some sort of Unit ID so you can
access multiple machines of the same type. There is a separate byte (the
second after the F0hex) called the manufacturer ID which is unique and
allocated by the MIDI Association. There was a value for this which was
allocated for experimental, home-brew stuff but I can't remember it. After
this, all the bytes are whatever you want (except they must be less than
80hex) up to the terminator F7hex.

------------------------------------
   jezz at bluebear.freeserve.co.uk
http://www.bluebear.freeserve.co.uk
   MIDI, SYNTHS, CIRCUITS, STUFF

> A lot of machines (particularly the Yamahas) these days allow you to
> assign the sysex ID number. Just something to keep in mind.
>
> On Tue, 20 Apr 1999, John Speth wrote:
> > IMO, if you're gonna make your own MIDI output devices and you wanna
> > implement sysex, just make up your own sysex ID.  I guess normally the
> > sysex IDs are doled out by the IMA but, unless you're going public with
> > your device, just use what ever you like.  I use ID 127 (0x7F) for my
> > stuff. I don't know if it's officially assigned but as long as
> nothing else
> > in your setup uses it, there's no harm.