Public bug reported:
In System Sound Settings, I chose HDMI 5.1 audio, but there is no sound
from my subwoofer in any audio application.
The System Sound Settings for HDMI 5.1 always shows a disabled subwoofer
slider. When I open the test window and hit the subwoofer icon button,
no sound is produced.
But if I open Pulse Audio Volume Control -> Output Devices -> (unlock icon),
all show mid-volume on the slider except for subwoffer. But the subwoofer
slider is enabled. So I slide it to mid-volume, and go back to System Sound
Settings -> test window and hit the subwoofer icon button, I hear my subwoofer
is working fine.
I also then hear the subwoofer in all audio applications.
If I were to touch the System Sound Slider for the subwoofer, it
immediately stops working again.
I can fix it again in Pulse Audio Volumne Control again.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-control-center 1:3.36.4-0ubuntu2
ProcVersionSignature: Ubuntu 5.8.0-43.49~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-43-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Feb 10 19:47:38 2021
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2021-01-25 (16 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
ProcEnviron:
PATH=(custom, user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1915358
Title:
sound hdmi 5.1 subwoofer always disabled
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