[Techtalk] Sound problem

David Sumbler david at aeolia.co.uk
Fri Dec 16 20:28:18 UTC 2016

On Sun, 2016-12-11 at 02:55 +0000, Wim De Smet wrote:
> > 

> Hi,
> On Tue, 6 Dec 2016, 00:32 David Sumbler, <david at aeolia.co.uk> wrote:
> > [...]
> > This is all rather confusing for me, because basically I don't have
> > a
> > clue about how pulseaudio, alsa and jack relate to each other, and
> > what
> > each actually does.
> As far as I recall, applications talk to sound servers (jackd,
> pulseaudio, esd in ye olde times), which talk to alsa, which talks to
> the hardware driver. Jackd and pulseaudio do the same job, and in
> their default configuration they can't run side by side because they
> both grab exclusive access to audio outputs. What you can do (a quick
> Google confirms), is redirect output from pulseaudio into jackd with
> a "sink" plugin for pulseaudio.
> Perhaps this link will help you:
> http://askubuntu.com/questions/572120/how-to-use-jack-and-pulseaudio-
> alsa-at-the-same-time-on-the-same-audio-device
> Mind you this is all theory to me, I've never done this myself, but
> it seems like the easiest solution to make everything work together
> nicely. (I was also considering that there might be a jackd plugin
> that emulates the pulseaudio API, that could be another way to go).
> Wim

I followed the link you gave.  And the suggestion there by José Micó,
which specifically refers to Ubuntu 16.04, actually seems to work.

So thank you very much for the pointer to something so useful!


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