[amsat-bb] Jack Audio w/FoxTelem

Paul Stoetzer n8hm at arrl.net
Sun Nov 12 17:59:51 UTC 2017

You don't need Jack. You can just use PulseAudio with it's virtual
sink and virtual source.

The following command should work:

pacmd load-module module-virtual-source source_name=loop_source

Then you can use pavucontrol to send the audio to loop_sink from Gqrx
and use loop_source in FoxTelem.


Paul, N8HM

On Sun, Nov 12, 2017 at 12:47 PM, Roy Dean <royldean at gmail.com> wrote:
> I know I'm beating a dead horse, but has anybody here had recent success
> using jack audio (ubuntu/linux) with FoxTelem?
> I'm trying to pipe audio into FoxTelem with Jack, and I'm simply not doing
> something correctly.   First and most importantly, whatever I am using to
> generate audio (GQRX or rtl_fm from a terminal prompt) completely freezes
> as soon as I start the jack server (before I even "connect" the input and
> output), but resumes as soon as I stop the jack server.   Not sure if this
> will ever work if jack stalls the software generating the audio.
> Hoping to get something up and running by the Fox launch, but now I am
> reminded as to why I gave up on this a few months ago.
> Any tips before I throw in the towel (again)?
> --Roy
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