[LAU] Sysex with Jack MIDI

david gnome at hawaii.rr.com
Fri Nov 6 06:17:53 CET 2020

On 11/3/20 9:59 PM, Will Godfrey wrote:
> On Tue, 3 Nov 2020 21:29:28 -1000
> david <gnome at hawaii.rr.com> wrote:
>> Just wondering, but maybe there are hardware limitations at the
>> receiving end (for hardware synths) that limit the size of a sysex? Or
>> the particular synth involved requires some additional setup to receive
>> sysexes?
>> I know my little Yamaha keyboard supports sysex of some sort but have
>> never bothered with it.
> There are limits on some hardware synths.
> Very many moons ago I wrote SYSEX software for an Acorn Archimedes to support a
> couple of synths I had at the time. One of them transmitted SYSEX in a
> series of quite small chunks, the other did the whole lot in a single stream.
> Both comply with the MIDI standard, but you have to send back in the format you
> receive, and as far as I recall there was no way of knowing this in advance.
> This was with MIDI 0 so may have changed since then.
> Both synths were Yamaha ones, and the biggie was "All voice and multi" -
> basically the entire synth setup!

All my hardware devices here are Yamaha. A couple of PSR models and an 
S90 ES. Haven't done sysex stuff with any of them. I usually just use 
them for their built-in voices or keyboard input. I suppose doing an 
"All voice and multi" setup on the S90 would be a big sysex!

David W. Jones
gnome at hawaii.rr.com
authenticity, honesty, community
"My password is the last 8 digits of π."

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