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this post was submitted on 03 Sep 2024
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I don't know if this is specifically possible. I'm not quite rookie-level new (been using it about a year now) but I have something I would love to have convenience-wise.
It's a desktop machine with regular speakers, and I have a wireless headset that connects to its own dongle (not Bluetooth). It's there a way to switch to the headset automatically when I power it on, and revert to speakers when I turn it off?
I feel like it's possible hardware-wise, but I'm not tryna learn how to code to make it happen, and I don't know how to find a software solution. I don't even know what to call what I'm looking for.
i'd suggest starting by finding out what package in your distro actually decides where audio goes - mostly it is pulseaudio (older) or pipewire (newer).
depending on the details of how your distro and the dongle work, it could either be a simple "pactl set-default-sink ", or a more complicated set of udev rules or pipewire/wireplumber scripts.
note that distros using pipewire still often support a lot of pactl commands, so it may be worth looking at the simple option even when not using pulseaudio.
They can also use pavucontrol, whether they use pulse or pipe, for a GUI to select default audio interface as well as easily switch apps to different outputs if needed
Is the dongle visible by the system only when the headset is powered on? Does the computer have any way of knowing you've turned your headset on? What make and model is that headset?