Thank you for your bug report. Similar issues are being discussed on https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/950 and there are proposed fixes if you feel like trying how they work for you
** Bug watch added: gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues #950 https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/issues/950 ** Changed in: pulseaudio (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1924903 Title: PulseAudio automatically switches to HDMI sound output on every boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1924903/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs