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[Raymond <1227093@xxxxxxxxxxxxxxxxxx>]

refer to the specification

are the internal Mic stereo (left and right mics)?

and your headset Mic is mono


can you verify this by recording stereo with audacity ?

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https://bugs.launchpad.net/bugs/1227093

Title:
  [haswell sony vaio pro] Internal microphone not working

Status in “linux” package in Ubuntu:
  Fix Committed

Bug description:
  The internal microphone is not working on a new sony vaio pro with
  ubuntu 13.10 kernel. I've also tried latest mainline kernel v3.11-rc7.
  FYI, this laptop does not boot pre-saucy kernels.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-7-generic 3.11.0-7.14
  ProcVersionSignature: Ubuntu 3.11.0-7.14-generic 3.11.1
  Uname: Linux 3.11.0-7-generic x86_64
  ApportVersion: 2.12.1-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  francois   1951 F.... pulseaudio
   /dev/snd/controlC1:  francois   1951 F.... pulseaudio
  Date: Wed Sep 18 14:00:59 2013
  HibernationDevice: RESUME=UUID=336e37fb-47a2-406c-ad64-630659d38f70
  InstallationDate: Installed on 2013-07-30 (49 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130729)
  MachineType: Sony Corporation SVP1321C5E
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-7-generic root=UUID=fe28f457-7a8a-4185-866b-115aded2e40c ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-7-generic N/A
   linux-backports-modules-3.11.0-7-generic  N/A
   linux-firmware                            1.114
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/17/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: R0270V7
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR0270V7:bd05/17/2013:svnSonyCorporation:pnSVP1321C5E:pvrC60C1VKQ:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: SVP1321C5E
  dmi.product.version: C60C1VKQ
  dmi.sys.vendor: Sony Corporation

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