I would expect the interface/messages to be different for every synth.
btw ctrlr sounds like what you want, I haven't used it yet though.
https://ctrlr.org
this post on the forum seems somewhat related if you do want to do it in pd
https://forum.pdpatchrepo.info/topic/13256/question-about-pure-data-and-decoding-a-dx7-sysex-patch-file
-seb
-----Original Message-----
From: Dafydd Hughes <dafydd61@gmail.com>
To: Pd-List <pd-list@lists.iem.at>
Sent: Sun, Oct 31, 2021 7:47 am
Subject: [PD] Patch editor
Hey gang
Has anybody made a patch editor for a MIDI synth? I’ve got a few here that I’m just sick of menu-diving on and realized there’s a solution on my computer already.
Cheers
Dafydd
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