jack problems

[jitup]

I know I am asking a lot of questions that seem noobish, well I am a linux noob, and I am trying to get my studio up to 100% working like it is supposed to. Ok, when I open rosegarden, I am greeted with a error that says it could not detect a jack server, same thing in jammin, and muse and some other stuff. When I go to use ardour it works fine. I did not install jack or qjack, I think ardour did when I installed that (1 st soft install) is this the problem? if not how do I launch the jack server? thanks

[thorgal]

ardour is smart enough to start jackd itself if it cannot detect a running server at launch time.

To start jackd independently, install the qjackctl package, configure it to your needs and start jackd from there. qjackctl has become the "official" GUI frontend to jackd.

You can minimize qjackctl's main window and access most of its functionality from the system tray in your windows manager's panel.

[jitup]

thanks to the help of thorgirl, through PM, I have worked out most of the problems. All I had to do was configure control jack by using the drop down box to select my interface and check the start server upon system start up. I have the audio setting set perfectly the way I like, but when I run midi ZynaddsoftFX, I get it to work by connecting it no prob, but I can't get any sound out of Q synth?

[thorgal]

thanks to the help of thorgirl

... hmmm ... I didn't know I was a girl, thanks for telling me the truth ...

[jitup]

oops! see what not rereading your post will do? Sorry about that thorgal!

[Pablo]

Hi jitup!
To get sound out of qsynth (if you haven't figured it out yet) you need to load soundfonts, at least one.
These are files ending with .sf2 or .SF2. You can get them on the internet. There are a lot of them, some of them are free in the GNU sense, others are free as in beer but have restrictions. Some of them are generic and some more specific for certain instruments.
Grab one and load it (setup button). Then you can try it with Rosegarden or another MIDI sequencer or just with an external MIDI keyboard, or with a software MIDI keyboard, even with your PC keyboard through vmpk...
You gotta love Linux, you never end learning new and exciting things and you can even help improving it.
Cheers! Pablo

[jitup]

Cool! I thought qsynth was a synth, not soundfont player! I know what soundfonst are, and Hammersound has a nice collection of them. One day I downloaded a butt load, tried them all, and kept the ones I liked or that were useable. I am so excited that I get to use my soundfonts!!!!!!!!!!!!!!! Yay!!!!!!!!

I still can't get amsynth to work yet though.......... it won't even open, even after a reinstall! is it worth the hastle of getting it to work???

[Pablo]

I don't really know. I have never tried it. But it launches here at least. Have you tried from the Terminal? (Just type amsynth) Maybe you can see some error messages...

[jitup]

I tried to open it in the terminal and then I got this error message

snd_pcm_mmap_begin error
snd_pcm_mmap_begin error
snd_pcm_mmap_begin error
snd_pcm_mmap_begin error
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snd_pcm_mmap_Aborted

what dose this mean???

[MattKingUSA]

http://www.alsa-project.org/alsa-doc/al ... irect.html

I don't know that this link will help to solve the issue. But this should explain what it means?

[jitup]

ok.................
thanks for the link, but I'm still confused. I think I will try a reinstall again.

EDIT I just reinstalled it again, same error

[thorgal]

in a terminal, type

Code: Select all

dpkg -l libasound*

(it's a star * at the end)

and report the output.

[jitup]

I entered the code and this is what terminal gave me

Code: Select all

jim@jim-laptop:~$ dpkg -l libasound*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  libasound2     1.0.17a-0ubunt ALSA library
ii  libasound2-plu 1.0.17-0ubuntu ALSA library additional plugins
jim@jim-laptop:~$ 

thanks for all the help every one. I don't just mean about this thread, I'm talking about all the linux related stuff I have posted. I would have been totally screwed and probably switched back to xp by now if it was not for this forum. I have my studio 98% running correctly now, and I am sure I will have more questions.