which motherboard are you using ? do this motherboard support internal spdif connector to graphic card ?
it is rare that it only has internal spdif connector but not optical/rca digital output You can also connect the onboard header to an S/PDIF input header available on some graphics cards using an S/PDIF cable. This connection routes digital audio to the HDMI output of the graphics card. http://www.intel.com/support/motherboards/desktop/sb/CS-032871.htm Node 0x20 [Pin Complex] wcaps 0x400701: Stereo Digital Control: name="HDMI Phantom Jack", index=0, device=0 Pincap 0x00000010: OUT Pin Default 0x185600f0: [Jack] Digital Out at Int HDMI Conn = Digital, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Pin-ctls: 0x40: OUT Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Connection: 1 0x12 APLAY **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: VT1708S Analog [VT1708S Analog] Subdevices: 0/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 2: VT1708S Alt Analog [VT1708S Alt Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 3: VT1708S Digital [VT1708S Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/996906 Title: periodic audio skips with Intel HDA To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/996906/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs