Can't record audio...still

[warren true]

        So, I think that I have to the conclusion that perhaps jack is not set up correctly...Here's what I mean- I can use rosegarden and fluidsynth together, which works great, unless I try to do it while jack is running, at which point I get nothing. No sound.
         Also, I try to add an audio track, which I just got to work, finally, and while jack is running...but no midi will play at the same time. What am I doing wrong here?

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[GARY SEVIOUR]

hi warren,
1. start jack from qjackctl
2. start rosegarden
have a look on the connections to see what rosegarden has connected to what (this "feature" really does my head in, fortunately the situation will be fixed in version 2). It might take you a while to figure out. I cant remember the specifics as I am still new to RG.

You might like to try connecting the audio in to the audio out from qjackctl, speack into a microphone, any sound? Also you should try using qjackctl to conect your keyboard (or other midi controller) to zynaddsubfx. Sometimes you will find that the midi is working but the sound is not due to the wrong sound card being selected.

Also ensure that jack has the correct sound card connected before starting (by going through setup). I wish I could be more specific but I am away from my music computer at the moment. check out http://www.openoctave.org/
for some inspiration.

I understand your frustration, you are not the first person to have been there, nor will you be the last. I hope you stick with it. The workflow aspect a linux based music PC is something that really needs to be talked about. Fortunately as linux attracts more musicians, there are more people thinking about workflow.

Regards,
Gary

--- On Wed, 28/10/09, warren true <twtrue@...> wrote:

> From: warren true <twtrue@...>
> Subject: [Rosegarden-user] Can't record audio...still
> To: rosegarden-user@...
> Date: Wednesday, 28 October, 2009, 6:02 PM
>         So, I think that I have to
> the conclusion that perhaps jack is not set up
> correctly...Here's what I mean- I can use rosegarden and
> fluidsynth together, which works great, unless I try to do
> it while jack is running, at which point I get nothing. No
> sound.
>
>          Also, I try to add an audio track, which I
> just got to work, finally, and while jack is running...but
> no midi will play at the same time. What am I doing wrong
> here?
>
>
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[D. Michael McIntyre]

On Wednesday 28 October 2009, warren true wrote:

>         So, I think that I have to the conclusion that perhaps jack is not
> set up correctly...Here's what I mean- I can use rosegarden and fluidsynth
> together, which works great, unless I try to do it while jack is running,
> at which point I get nothing. No sound.

FluidSynth can use different methods for audio production, at least ALSA and
JACK, if not more.  It may be that you have FluidSynth producing sound
directly through ALSA, and then when you start JACK, you cut FluidSynth off.  
There's some command line option for this, but I'm too lazy to bother looking
it up.  It's easier to configure with QSynth.  I'm not looking at that either,
but there's a fairly obvious configuration option for what to use for sound,
where you can choose from the supported methods.  You'd want to choose JACK.

--
D. Michael McIntyre

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[Emanuel Rumpf-2]

2009/10/28 warren true <twtrue@...>:
>         So, I think that I have to the conclusion that perhaps jack is not
> set up correctly...Here's what I mean- I can use rosegarden and fluidsynth
> together, which works great, unless I try to do it while jack is running, at
> which point I get nothing. No sound.

Do you get sound over jack with any other applications ?
Do you use jack2  (= 1.9.x) ?

If yes, then it's possibly due to a bug in fluidsynth (existent in
some other prog's too),
which is using the depricated function "jack_client_new" instead of
"jack_client_open". in src/fluid_jack.c


--
E.R.

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