For those with the nvidia chip set, apparently they haven't implemented the functionality yet, and plan on adding it in driver 177:
http://www.nvnews.net/vbulletin/showpost.php?p=1625546&postcount=33 -- No HDMI audio with ALC883 chipset https://bugs.launchpad.net/bugs/148097 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
