Hi David!
No, as far as I know, and that *should* be sufficient, Timidity doesn't have
any itnerface, in which you can edit the sounds.
But if you look at timidity -h or the manpage, you will find a lot of
options to disable the rendering - or acceptance - of controllers. Maybe in
one of the graphical versions, you can set this from a menu.
As Renato pointed out, you can use Swami to edit soundfonts and Swami should
still have a fluidsynth instance built-in. It's not as powerful as Timidity,
but it can play MIDI files. It only understands soundfonts.
What is wrong with your ALSA? Is the XG generator you're talking about a
soundcard? If not, why not use it with JACK?
Warmly yours
Julien
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