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[Kurt Aaholst <kaaholst@xxxxxxxxx>]

These gives errors:

arecord -D plughw:0 -c 1 -r 48000 -f S16_LE -v --buffer-time=5000 test.wav
arecord -D plughw:0 -c 1 -r 48000 -f S16_LE -v test.wav

arecord: main:722: fejl ved lydåbning: Ingen sådan fil eller filkatalog
(no such file or directory)


After arecord -L, I changed the device name and tried:

arecord -D "plughw:CARD=PCH,DEV=0" -c 1 -r 48000 -f S16_LE -v --buffer-time=5000 test.wav
arecord -D "plughw:CARD=PCH,DEV=0" -c 1 -r 48000 -f S16_LE -v test.wav

The former got me no sound at all, and the latter got me some crackling
noises.

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1417789

Title:
  [W740SU, VIA VT1802, Mic, Internal] mostly no sound at al

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  Mostly I get no sound at all when using the internal mic.
  Using sound setting recording level slider I am able to get some (noisy sound).
  With alsamixer I can get (also noisy) recordings by lowering "Internal Mic Boost"

  I have applied (and removed) 
    oem-audio-hda-daily-dkms_0.201502011331~ubuntu14.10.1_all.deb
    options snd-hda-intel position_fix=1
    options snd-hda-intel position_fix=2

  to no avail

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
  Uname: Linux 3.16.0-29-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0c:   kaa        2423 F...m pulseaudio
   /dev/snd/controlC1:  kaa        2423 F.... pulseaudio
   /dev/snd/controlC0:  kaa        2423 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Feb  3 23:05:33 2015
  InstallationDate: Installed on 2014-02-25 (342 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_Jack: Mic, Internal
  Symptom_Type: Sound works for a while, then breaks
  Title: [W740SU, VIA VT1802, Mic, Internal] fails after a while
  UpgradeStatus: Upgraded to utopic on 2014-12-05 (60 days ago)
  dmi.bios.date: 10/02/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.5
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: W740SU
  dmi.board.vendor: Notebook
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: Notebook
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd10/02/2013:svnNotebook:pnW740SU:pvrNotApplicable:rvnNotebook:rnW740SU:rvrNotApplicable:cvnNotebook:ct9:cvrN/A:
  dmi.product.name: W740SU
  dmi.product.version: Not Applicable
  dmi.sys.vendor: Notebook
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2015-02-03T22:20:52.949815

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