[LAU] Ubuntustudio 12.04 audio?

[Mac]

Hi,
Does anyone know of an overview of how audio in Ubuntu Studio12.04 works?
I've made some mods to other debian builds. Before I spin my wheels a lot
jaunted to see the lay of the land.

One particular question is how the names of sinks/sources get conjured in
jack when I plug in a firewire device. And how the patching gets defined;
on this PC the firewire Ports get assigned to all the I/O on the PC.
Frontleft, frontright, rearleft, etc.
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