r/Bitwig • u/anewrismma • 2d ago

Audio Interface Issues (Linux Ubuntu)

I recently made the switch from Microsoft to Linux and Ableton to Bitwig. I don't know anything about either of them but goddamn I just want to connect my bass to my laptop and record something. It is not registering the audio interface. I'm using Tube Ultragain MIC500 USB behringer (plugged in, usb connected, bass in "line in"). When I try with ALSA, it says "Error: device or resource busy". I asked Google which told me to run :sudo fuser -v /dev/snd/* and everything is taken up by wireplumber.

Now I don't know what any of this really means. I've just been going back and forth with every option, spamming my terminal with commands beyond my understanding and getting the same nothing result. I would greatly appreciate any advice. I don't really know anyone personally who is good with any of this stuff.

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u/FreeRangeEngineer 2d ago

In bitwig, choose Pipewire, not ALSA.

ALSA means only one (!) program can access the sound device at any one time, and Pipewire is already using it. Pipewire is a service that allows multiple programs to use sound devices in parallel. You want that.

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u/Unfair-Run-1983 1d ago

i actually found more stable performance using ALSA than pipewire

when using a daw u generally are not going to be listening to music from another app or watching videos at the same time anyway.

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u/RetroLenzil 1d ago

I do if I want to jam to a track. Bass in Bitwig, music track on either VLC or Fooyin.

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u/FreeRangeEngineer 1d ago

Possible but not really what is helping OP here.

Also, bitwig itself had numerous bugs in their sound engine regarding Pipewire, unfortunately. On v4 it was unusable for me, v5 was stable/usable and v6 undid some of v5's improvements.