https://askubuntu.com/questions/211136/get-the-audio-from-line-in-to-output-to-the-speaker
https://thelinuxexperiment.com/pulseaudio-monitoring-your-line-in-interface/
I think you have to rule out that there is no problem with your sound
hardware first. Do you have some type of other audio interface like a USB
one? It could be one of those basic ones like this:
https://thinkpenguin.com/gnu-linux/penguin-usb-20-external-stereo-sound-adapter-gnu-linux-tpe-usb
Has this ever worked for you? If so what happened/when did it stop working?
What does your "Sounds" setting say as far as your input and output?
I want to use the line in port to play music from en external source and use
my PC speakers as output.
When I connect the device to the line in port, I get no sound output.
Can someone give me an advice, how I have to change my configuration?
I am using Trisquel 9 with Mate desktop. sound card i
