[PD] first trial,. but no sound

Kaj Ailomaa kaj.ailomaa at mousike.me
Thu Jul 5 22:35:33 CEST 2012

On Thu, 2012-07-05 at 19:19 +0200, Kaj Ailomaa wrote:
> On Thu, 2012-07-05 at 17:42 +0200, Stefan Thomas wrote:
> > Dear Kaj,
> > thanks for Your help.
> > I've installed the lowlatency kernel and I've also reinstalled qjackctl and
> > pd, from the ubuntu repositorys.
> > But I still do have the problem, that I don't hear any sound.
> > I opened Your patch signal-example and I can see the "cables".
> > But I can't hear any sound!
> > I don't have the option "compute" audio.
> > When I click DSP, nothing happens.
> > Shall I install a newer or older version from source?
> > 

Sorry, this was supposed to go to the list..

> As for alsa, I am a bit reluctant to say too much, cause I don't know
> how that works with pulseaudio.
> But, the example should work fine, given you have started jack and
> configured pd to use jack, as well as made sure they are connected.
> If you have multiple audio devices (hdmi is an audio device also), you
> need to make sure the right device is selected in qjackctl -> Setup ->
> Interface.
> Other settings are fine as they are. 
> After starting pd, choose from the menu: Media -> jack.
> Make sure input and output are toggled on, and that you have set the
> number of channels (2 is fine).
> Click Ok.
> Then, go to qjackctl -> Connect. If there are no wires between pd and
> "system", then select pd at one side, and system at one side, and hit
> connect. This will enable audio out. system->pd will enable audio in.
> You can expand the inputs and outputs with the little arrows next to the
> devices to see how many inputs outputs each contains.
> That should be it.

   kaj.ailomaa at mousike.me

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