Re: [fluid-dev] Preset Change via MIDI (QSynth/FluidSynth)

[Ken Ellinwood]

What you want to do is load each soundfont with a different bank offset.   The bank offset can be specified via the command-line "load" command and is probably supported in the QSynth GUI.    Then by using bank select and program change messages via MIDI, you can select/control the instrument for each channel.

Ken

Lutz MoreLater <address@hidden> wrote:
>  Hi,
>
> I would like to use FluidSynth and QSynth to play SoundFont files. To do 
> that I have connected my MIDI organ to my computer and that connection works 
> just fine. I can also hear what I am playing so there are no hardware 
> problems and so my questions do not seem to be related to things like jackd 
> either.
>
> Typically I am using collections of sounds, for example I would like to load 
> a GM table of sounds into
>  FluidSynth/QSynth and do PresetChanges via my MIDI 
> organ, so that I would get Channel #1 Piano, Channel #2 Guitar and Channel 
> #3 Bass. FluidSynth/QSynth receives the PresetChange commands but there just 
> is no PresetChange taking place.
>
> I have noticed that I can load SoundFonts into QSynth using its GUI, e.g. 
> "MIDIALL.SF2" @ Channel #1, but how do I change between them using only MIDI 
> Preset Change?
>
> It seems that I have to preconfigure FluidSynth/QSynth via their GUIs so 
> that I can do PresetChanges ONLY by using the GUIs. It means that I have to 
> tell FluidSynth/QSynth via the GUIs which SoundFont to load (which is fine) 
> but also which sound to play on channel #1, which one on channel #2 and so 
> on. But I need to do this via my MIDI organ. Normally, my MIDI organ enables 
> me to send a Preset Change on any of the 16 MIDI channels.
>
> I have loaded the SoundFont(s) that I want to play into FluidSynth/QSynth, 
> but
>  FluidSynth/QSynth will not accept PresetChanges properly.
>
> I think that a while ago this worked as I wanted it to, I just cannot 
> remember which versions those were.
>
> What am I doing wrong? I am probably just misunderstanding something about 
> the concept of FluidSynth/QSynth and how they handle PresetChanges.
>
> My system is a PC with Kanotix Linux installed.
>
> Regards,
> Lutz.
>
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