Pulseaudio not staying on task.

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http://forums.fedoraforum.org – I'm getting increasingly aggravated with tis so I figured I would ask and see if there are any insights on this. I'm currently running F12 on a Dell XPS m1330 laptop. Everything is going great with the exception of pulseaudio. Rather than using the internal mic and speakers I'm using external (usb) Bose companion speakers and and external mic that is integrated into my Microsoft Lifecam Cinema webcam. Now, when these work, they're spot on. No issues at all. HOWEVER, pulseaudio frequently disregards them and tries to use something else (the internals) or just stops using them. Nothing crashes, nothings broken, they just get "deselected". This happens when I back out of a game or program, log out and login, etc. I then have to jump through a series of hoops to get it configured back for the "correct" setup. Are there any thoughts on getting the system to lock specific settings in place or to alleviate this issue? Thanks in advance! (HowTos)