[pulseaudio-discuss] HOWTO create a sink/source device for local OS use?

Chris kc2rgw at gmail.com
Sun Oct 9 12:40:44 PDT 2011


If I could just connect them directly that would be fine. Output and input
are matched.

I just haven't figured that out yet.
On Oct 9, 2011 3:07 PM, "Maarten Bosmans" <mkbosmans at gmail.com> wrote:

> 2011/10/9 Rémi Denis-Courmont <remi at remlab.net>:
> > Le dimanche 9 octobre 2011 17:13:00 Chris, vous avez écrit :
> >> I haven't found a sort of one-liner example for this yet and I know it's
> >> possible, but I'm being a bit dense following the FAQ.
> >>
> >> What I want is a 'virtual audio cable' local to the OS for two
> applications
> >> to use.
> >>
> >> I want a device created that is a sink and a source.
> >
> > The loopback plugin does that...
>
> module-loopback is sorta the other way around: it works like an
> application that connects a sink to source. The OP asked for a
> sink/source pair that connects two apps.
>
> >> I want application one to use the device for its audio output
> >>
> >> I want application two to use the device for its audio input.
> >>
> >> A functional equivalent of line-out to line-in of two devices.
> >
> > ...but it might be easier to rely on the monitoring source of your
> default
> > sink instead. You can either monitor one specific sink input, or the
> whole
> > sink.
>
> Use a null sink to play audio to and its monitor to record from.
> See http://www.pulseaudio.org/wiki/Modules#module-null-sink for no
> further information.
>
> 2011/10/9 Chris <kc2rgw at gmail.com>:
> > A functional equivalent of line-out to line-in of two devices.
> >
> > 44100 would be ideal for the sample rate for both ends
> >
> > The application is for ham radio DSP of the stream so as little mangling
> of
> > the stream as possible is highly desirable.  Lossy transcoding would hurt
> > the signal quality.
>
> Are you required to use pulse input/output of the applications? Can't
> you just pipe them together?
> Pulse can certainly be configured not to touch the audio with
> resampling/mixing, but if you insists in doing so, why even bother
> with all the capabilities pulseaudio provides?
>
> Maarten
> _______________________________________________
> pulseaudio-discuss mailing list
> pulseaudio-discuss at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20111009/3e013e7b/attachment.html>


More information about the pulseaudio-discuss mailing list