Public bug reported:
What happens:
If an Asus STXII 7.1 sound card is installed and another output device
is present, there is a strange behavior in the Gnome audio settings.
After the first start of Ubuntu the Asus soundcard is not the default
device. This can be selected in the Gnome settings. If a different
speaker configuration is selected now. E.g. stereo instead of 5.1 or
vice versa, the selection jumps from the Asus output device back to the
original output device. The Asus sound card can then be selected again
and the corresponding speaker configuration will fit now.
If 5.1 is selected as the mode, there is a second problem.
Moving the balance slider (left / right) moves the slider (front / back)
slightly as well.
For better illustration I made a screen video. (see attachment)
This is probably a general bug in Gnome - it has been occurring since
Ubuntu 18.x and affects all distros that use Gnome since then.
Unfortunately I was not able to make a report in Gnome, because the
registration on the Gnome site does not work anymore... Maybe you have a
good contact to the Gnome team?
Ubuntu 20.04 LTS (Release 20.04)
Package: gnome-control-center (1:3.36.1-1ubuntu5)
Expected behavior:
It should be possible to select the sound card and the setting should be
retained even if the speaker configuration is changed. Furthermore, the balance
sliders should not influence each other.
BR,
Mathias
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "soundsettings.webm"
https://bugs.launchpad.net/bugs/1876267/+attachment/5364314/+files/soundsettings.webm
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https://bugs.launchpad.net/bugs/1876267
Title:
Audio settings strange behaviour with ASUS STXII sound card
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