Thank you for reporting this bug to Ubuntu. Ubuntu 9.10 (karmic) reached end-of-life on April 30, 2011.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases Please upgrade to the latest version and re-test. ** Changed in: pulseaudio (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/404516 Title: Some surround channels not working anymore Status in pulseaudio package in Ubuntu: Incomplete Bug description: Binary package hint: pulseaudio Since the upgrade to Karmic the surround rear and center channels are very silent (almost not hearable) - although it's setup for 5.1 surround. Tested via: speaker-test -c6 -l1 -twav To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/404516/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp