Hi Jakub and group!
IMO the simplest way to "redirect" audio sink, and that's the solution I
usually use, use another USB sound card for WSJT-X with an "audio splitter" and
“physical crossed cable”.
The audio splitter is only necessary if you want to monitor the audio.
No need for complicated set
Uff, please don't recommend such stunts :) This can be solved easily in
software at zero cost.
If you're on a modern Linux, you use the pipewire audio system. Install `qpwgraph`, start
WSJT-X and just use qwpgraph to connect the output of your GNU Radio flow graph to the
input of your WSJT-X.
Hi Jakub and Marcus:
On the Mac, use the BlackHole virtual audio driver. It’s at
https://github.com/ExistentialAudio/BlackHole. You can create a virtual audio
device and point WSJT-X at it for input, output, or both. It works well and
the developer is responsive to questions and suggestions.
Under Linux, a simple approach is to use a loopback (essentially establish a
Virtual Audio Cable). The loopback is established by
sudo modprobe snd_aloop enable=1,1 index=10,11
The WJST-X audio input is then plughw:CARD=Loopback_1,DEV=1
and the GNU Radio audio sink device can be left as defaul
