I had the same problem and this page helped me fix it. Ubuntu Karmic on Dell Studio XPS After an update on ~ oct 11 2009 the mic did not record anymore.
This is what I needed to do to fix it: run alsamixer in the command line and use these values: headphone :: on headphone1 :: muted Mic Jack :: Mic in Digital Input Source :: Digitial Mic 1 Digital Input Source 1 :: Digitial Mic 1 In Pulse I use: Stereo Duplex Cheers and thanks. -- [regression] Built-in mic not working after pulse updates on Karmic. Intel 82801H (ICH8 Family) sound card. https://bugs.launchpad.net/bugs/409819 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