Still waiting for some parts to come in from digikey.? In the meantime, I have been making contacts across the bands with some earbuds that have an integrated mic plugged into my compute.? the QMX SSB is setup for audio over USB, and using Ubuntu 24.04, I have setup two loopback devices.?? One that takes the mic from my earbuds and feeds it to the QMX over usb, and another that takes the Rx audio from the the QMX and feeds it to the speakers of my ears buds.?? I have used VOX, but prefer to leave my CW paddle hooked up and use the left paddle to trigger PTT.?? This is specific to my setup, but it should help you to get an idea for your own system:
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Earbud Mic to QMX:
pactl load-module module-loopback source=alsa_input.pci-0000_00_1f.3.analog-stereo sink=alsa_output.usb-QRP_Labs_QMX_Transceiver-02.analog-stereo
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QMX to earbuds:
pactl load-module module-loopback source=alsa_input.usb-QRP_Labs_QMX_Transceiver-02.analog-stereo.5 sink=alsa_output.pci-0000_00_1f.3.analog-stereo
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Commands to help list the sources and the sinks:
pactl list short sources
pactl list short sinks
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How to unload the loopbacks when you are done:
pactl unload-module module-loopback
