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[Question] Splitting headphones and internal speakers on a thinkpad with fedora (feddit.it)

submitted 1 year ago by [email protected] to c/[email protected]

8 comments fedilink hide all child comments

When the jack is inserted the internal speakers stop making sound and the only analog out is the jack, as it's common on laptops. But I want to address the two analog output individually so that I can:

Still select the speakers when headphones are plugged
Have different sounds come from headphones and speaker
Mix them with carla or other audio software

My alsa/pipewire settings are all default, I'm on a thinkpad t480s with fedora 38. My sound card is an intel hd audio card, with a realtek ALC257 analog chip.

I tried disabling auto_mute and rising the volume from alsamixer but nothing happens. Then I switching pipewire to "pro audio" but it doesn't separate the analog outputs. I also tried setting the indep_hp hint from hdarackretask but it doesn't change anything.

The hint enables a new "independent hp" option in alsamixer, but it can only be enabled by the cli and it doesn't work either.

I can provide configuration files or other info if needed but since they are all pretty long I didn't include them in the post. Also because I didn't edit them so they are just fedora's default.

Thanks

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[–] [email protected] 8 points 1 year ago (2 children)

I have good experiences with managing inputs and outputs with pavucontrol, which has a nice GUI. You can choose output per application (I have multiple outputs, headset-microphone on jackplug for meetings, a USB device for HiFi headphones, and a USB device that goes into speakers for when I'm home alone and my noise doesn't bother anyone - pavucontrol covers that).

If you really want to go into the deep end you might try https://jackaudio.org/ but that's a very deep end and I hope you won't need it, but it's very powerful.

[–] [email protected] 1 points 1 year ago

100% Jack, gives you this control

[–] [email protected] 1 points 1 year ago

From pavucontrol I can't select the interfaces independently (it's what I used to enable pro audio). And Carla uses jack, so no luck with jack either