The left 3 audio jacks are for 2-channel mode for stereo speaker output: Line Out is a connector for Speakers or Headphones. Line In is used for external CD player, Tape player, or other audio devices. Mic is a connector for microphones. However, there is an advanced audio application provided by Realtek ALC850 to offer support for 7.1-channel audio operation and can turn rear audio connectors from 2-channel to 4-/5.1-/7.1 channel audio. Line In ( in 7.1CH / 6CH) Line Out MIC S/PDIF O
if you have 5 audio jacks at rear panel, only need a channel mode control which change from 5.1 to 7.1 by retaskking line in jack -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1299857 Title: [CA0106 - CA0106, playback] Background noise or low volume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1299857/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
