Craig, please inspect the following from your alsa-info.sh output:
!!Soundcards recognised by ALSA
!!-----------------------------
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xfdff4000 irq 22
1 [Camera ]: USB-Audio - Camera
Camera at usb-0000:00:1d.0-2, full speed
The above clearly indicates that you have two recognised audio devices
in your system. What you've experienced is likely a combination of bug
234412 and bug 346753.
** Changed in: pulseaudio (Ubuntu)
Importance: Undecided => Wishlist
** Changed in: pulseaudio (Ubuntu)
Assignee: (unassigned) => Daniel T Chen (crimsun)
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PulseAudio needs to be removed from being initialized by default
https://bugs.launchpad.net/bugs/352164
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