Thank you very much again. Indeed Rosegarden displays a warning and tells
me to run 'sudo modprobe snd-rtctimer'. Unfortunately, I don't have that
module. I ran 'sudo modprobe snd-hrtimer' instead, but the warning still
appears. The 'details' section informs me "WARNING: using system timer with
only 250Hz resolution!"
I have an Intel Core i3-3220 CPU @ 3.30GHz × 4 PC with 8 GBs of RAM. I
didn't think I'd have CPU problems, but well, maybe that expectation was
wrong.
Still, now that I have the instruments set up, everytime I load up my file
the sound works properly and MIDI recording does too.
I will use you recommendation regarding JACK from now on.
Cheers,
Leszek.
On 10 January 2016 at 11:58, Holger Marzen <[email protected]> wrote:
> On Sun, 10 Jan 2016, Leszek Wroński wrote:
>
> > Thank you very much. Using the 'manage synth plugins' window I load the
> > FluidSynth DSSI plugin. Then using the editor I locate the soundfont and
> > choose the instrument. Then I can play and record with it with no
> problems.
> >
> > However issues start when I want to use a different instrument in a
> > different track. I hope the intended functionality is that I can click.
> say
> > on Track 1, and my keyboard will play the instrument associated with
> Track
> > 1, and when I click on Track 2, pressing the keys will play the
> instrument
> > associated with Track 2. So I want to have two different instruments from
> > the same soundfont associated with different tracks. The only way I was
> > able to do it was to load in the 'Manage Synth Plugins' menu the
> > Fluid-Synth DSSI plugin TWICE, for rows "1" and "2", and then load the
> > soundfont TWICE. I guess that's not the way to do this, since it's so
> > inefficient -- so how does one do this properly?
>
> I do it exactly that way. I have even the same soundfont in different
> tracks, because I want to mix, pan and process them idepently. No reverb
> for the kick drum, reverb for the snare and the toms.
>
> > But the bigger problem is, once I have one copy of the plugin doing its
> > magic for Track 1, and another working its tricks for Track 2, so that
> the
> > instruments I hear really change when I click the different tracks, then
> > all the sounds are crackled. When I save the *.rg file, exit the program,
> > relaunch and load it again, the sound is fine. How can I avoid doing this
> > all the time?
>
> I never experienced this. Maybe it's some kind of CPU problem, running
> on the limit. Do you have "RT" values (bottom of the Rosegarden window)
> bigger than 50? Try to double jackd's -p value (period size).
>
> > Now, I'm trying to avoid using Jack to make connections at all. Not using
> > any standalone synth, it seems that to hear anything, I need to connect,
> in
> > the 'MIDI Playback' menu 'Rosegarden playback device' to MIDI Through. Is
> > that right?
>
> The sounds that are produced by synth plugins go to audio connections,
> not MIDI connections. If you have no other programs or hardware that
> needs MIDI data then don't mind about Rosegarden's MIDI out, only audio.
>
> I recommend:
> - Start jackd manually, e.g. via Qjackctl or a shell script
> - Configure Rosegarden in Edit -> Preferences -> Audio
> uncheck "Start JACK automatically"
> check "Make default JACK connections for audio outputs"
>
> Regards
> Holger
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