You have been subscribed to a public bug:
After upgrading from 19.04 to 19.10, the sound output to HDMI is
garbage.
The sound is great on local output, on bluetooth headphones, etc. But
when outputting to a HDMI TV it is garbage.
I tried different users with the same problem.
If I boot on Windows, the output is fine, which discards any physical
problem, cables and TV as the source of the problem.
I did delete any user pulseaudio configuration (and tried as a different
one).
I purged all system wide configuration and reinstalled the default
pulseaudio configs with:
apt-get -o DPkg::options::=--force-confmiss --reinstall install
pulseaudio
On 19.04 and before this problem did not happen at all.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: pulseaudio 1:13.0-1ubuntu1
Uname: Linux 5.4.5-050405-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: raul 4850 F.... pulseaudio
/dev/snd/controlC0: raul 4850 F.... pulseaudio
CurrentDesktop: KDE
Date: Fri Jan 3 09:33:11 2020
InstallationDate: Installed on 2014-05-12 (2062 days ago)
InstallationMedia: Error: [Errno 13] Permission denied:
'/var/log/installer/media-info'
SourcePackage: pulseaudio
UpgradeStatus: Upgraded to eoan on 2019-11-17 (46 days ago)
dmi.bios.date: 02/22/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5.12
dmi.board.asset.tag: Tag 12345
dmi.board.name: P870KM_KM1
dmi.board.vendor: Notebook
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr5.12:bd02/22/2017:svnNotebook:pnP870KM_KM1:pvrNotApplicable:rvnNotebook:rnP870KM_KM1:rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A:
dmi.product.family: Not Applicable
dmi.product.name: P870KM_KM1
dmi.product.sku: Not Applicable
dmi.product.version: Not Applicable
dmi.sys.vendor: Notebook
modified.conffile..etc.pulse.default.pa: [modified]
modified.conffile..etc.pulse.system.pa: [modified]
mtime.conffile..etc.pulse.default.pa: 2019-12-22T00:17:51.785216
mtime.conffile..etc.pulse.system.pa: 2019-12-22T00:16:08.693216
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug eoan
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pulseaudio produces garbage on HDMI after 19.10
https://bugs.launchpad.net/bugs/1858200
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