This might be too simplistic, seeing what you've tried already, but have you tried running alsamixer (in a terminal) and turning up all the levels? This fixed my audio capture problems.
-- Microphone does not work in Gutsy 7.10 64bit https://bugs.launchpad.net/bugs/159248 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
