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[Raymond <1395501@xxxxxxxxxxxxxxxxxx>]

Node 0x12 [Pin Complex] wcaps 0x400401: Stereo
  Control: name="Mic Phantom Jack", index=0, device=0
  Pincap 0x00000020: IN
  Pin Default 0x90a60130: [Fixed] Mic at Int N/A
    Conn = Digital, Color = Unknown
    DefAssociation = 0x3, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0


Node 0x07 [Audio Input] wcaps 0x10051b: Stereo Amp-In
  Control: name="Capture Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Control: name="Capture Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Device: name="ALC668 Analog", type="Audio", device=0
  Amp-In caps: ofs=0x17, nsteps=0x3f, stepsize=0x02, mute=1
  Amp-In vals:  [0x39 0x39]
  Converter: stream=4, channel=0
  SDI-Select: 0
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x12


did you record in stereo or mono? 

no signal recorded if the left and right are inverted phase if you
record in mono

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Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1395501

Title:
  input devices found, but there is no input level

Status in “alsa-driver” package in Ubuntu:
  Incomplete

Bug description:
  My input devices is found, but no not working. Get no input level from the devices.
  They are not muted!

  pavucontrol > Input Devices > no input level from any of my input devices!
  System settings > Sound > Input > no input level from any of my input devices!

  My computer is a Dell XPS 15 9530.
  Ubuntu 14.04
  Kernel release:    3.13.0-39-generic.

  ARECORD
  **** List of CAPTURE Hardware Devices ****
  card 1: G4ME1 [Sennheiser 3D G4ME1], device 0: USB Audio [USB Audio]
    Subdevices: 0/1
    Subdevice #0: subdevice #0
  card 2: PCH [HDA Intel PCH], device 0: ALC668 Analog [ALC668 Analog]
    Subdevices: 0/1
    Subdevice #0: subdevice #0

  "wget -O alsa-info.sh http://www.alsa-project.org/alsa-info.sh && chmod +x ./alsa-info.sh && ./alsa-info.sh" gives:
  http://www.alsa-project.org/db/?f=916914afd5195a1d4ed40f3f38fa0d37285d1039

  Screenshot from alsamixer, pavucontrol and sound control menu.
  https://mrkr.io/pemHMWlKHR

  Teamspeak works fine, if I select recording device in pavucontrol for teamspeak.
  https://mrkr.io/5D0ZUSVyLC
  https://mrkr.io/T6nQX77HAD

  Testing in skype, no input is registered!
  https://mrkr.io/xMbrev28bR
  https://mrkr.io/zqu6AFVjld

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