Switching on connect is an intentional design choice for Ubuntu. It's
been like that for a few years although PulseAudio 13.0 in Ubuntu 19.10
has introduced extra sensitivity with respect to HDMI events...
If you would like to disable it then please just comment out this line:
load-module module-switch-on-connect
in /etc/pulse/default.pa
So this isn't a bug, but it does seem to overlap with bug 1847570 so
please see that too.
** Changed in: pulseaudio (Ubuntu)
Status: New => Invalid
** Tags added: eoan
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https://bugs.launchpad.net/bugs/1850887
Title:
Audio / Sound reverts to HDMI when power event occurs
Status in pulseaudio package in Ubuntu:
Invalid
Bug description:
PulseAudio reverts the sound to HDMI all the time when a HDMI related
power event occurs. That means, although I have set another USB sound
device plugged in and set as default under sound settings, when an
application like Kodi or the system shuts off the HDMI monitor and I
reactivate the monitor, the sound is set to HDMI output again and
again.
That probably has to do with the fix to the reported Bug # 1711101 and
definitely not happened at Ubuntu 19.04. I switched to Ubuntu 19.10
two days ago.
Setting the USB device as default does not help, even when done by
PulseAudio mixer (gui) and removing HDMI output from the alternatives
option.
Expected behavior:
PulseAudio keeps the sound setting to the selected device
Actual behavior:
PulseAudio changes to HDMI at every HDMI power event
Annoying manual workaround:
Setting the desired Audio option on the control panel after every HDMI power
event again
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Component: pulseaudio
Version: 1:13.0-1ubuntu1
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