Also your latest upload from comment #12 shows:
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - No
So we need to find out why pulseaudio is not running. Please check
/var/crash for crash files. If there are any crash files then please
follow these instructions:
https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment
Otherwise please try editing /etc/pulse/daemon.conf and add a new line:
realtime-scheduling = no
then reboot.
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https://bugs.launchpad.net/bugs/1816429
Title:
[bytcr-rt5651 - bytcr-rt5651, playback] Pulseaudio fails to detect
card
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