if you do not see your HDMI Soundcard listed with "aplay -l" then you don't will get it to work, since it is not supported right now by ALSA.
You can try to download and compile yourself a new alsa version from www.alsa.org. Lucid is already shipped with currently latest ALSA version. -- TV HDMI "No Signal" Lucid Lynx, NVidia and Sony Vaio https://bugs.launchpad.net/bugs/553989 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