Thank you for your bug. What version of Ubuntu do you use? Do you use
totem-gstreamer or totem-xine?
** Changed in: totem (Ubuntu)
Importance: Medium => Low
Assignee: (unassigned) => Ubuntu Desktop Bugs
Status: Unconfirmed => Needs Info
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AC3 Passthrough doesn't work on Audigy card
https://launchpad.net/bugs/46831