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.
Kevin > On Jun 5, 2024, at 1:12 PM, Marcus Müller <marcus.muel...@ettus.com> wrote: > > 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. (or vice versa, really!) > > If you're using an older Linux distribution, you might still be using > pulseaudio. No problem, you just 1. create a "black hole" audio sink, then 2. > form a virtual microphone input from that: > > 1. pactl load-module module-null-sink sink_name=cable_out > sink_properties=device.description=cable_out > > 2. pactl load-module module-remap-source master=cable_out.monitor > source_name=cable_in source_properties=device.description=cable_in > > You'd then use `cable_out` as device name in your GNU Radio Audio sink. > That's it. > > On Windows, I'm no expert, but there's many loopback ways. there's VB-Cable, > which used to be a thing when I used WIndows the last time. > > No expertise on Mac OS, but if something is Mac OS's thing, it's multimedia > routing, so that should work. In no case should you spend money on an > external sound card, and live with the quality loss of that! > > Best regards, > Marcus > > > On 05.06.24 14:27, vitt...@pm.me <mailto:vitt...@pm.me> wrote: >> 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 settings, virtual audio cable, etc. etc...... fast >> and dirty!!! >> >> Enjoy >> >> Vittorio, I3VFJ >> >> >> >>> Message: 5 >>> Date: Tue, 28 May 2024 06:58:18 +0000 >>> From: Šerých Jakub ser...@panska.cz <mailto:ser...@panska.cz> >>> >>> To: "discuss-gnuradio@gnu.org" <mailto:discuss-gnuradio@gnu.org> >>> discuss-gnuradio@gnu.org <mailto:discuss-gnuradio@gnu.org> >>> >>> Subject: Audio sink to "wire" >>> Message-ID: >>> paxp189mb167934066abe5023cef7e155dd...@paxp189mb1679.eurp189.prod.outlook.com >>> >>> <mailto:paxp189mb167934066abe5023cef7e155dd...@paxp189mb1679.eurp189.prod.outlook.com> >>> >>> >>> Content-Type: text/plain; charset="iso-8859-2" >>> >>> Hi, >>> is there any simple way to redirect GNU radio Audio sink output to "wire" >>> so that it can be processed by some other software (e.g. WSJT-X)? >>> >>> Thanks for any info >>> >>> Jakub >>