Public bug reported:
As the title says my internal microphone is not working (not Skype,
Ubuntu mixer and Google Hangout). I think it did work a while ago but I
am not sure and it must have been some time since I last tried it.
When I raise up the mic boost it just gives me some crackling noise
otherwise I do get no sound at all.
I chose »Internal Mic« in the Ubuntu mixer and also experimented with
alsa-mixer by raising up the several microphone, digital and capture
volumes and disabling »Auto-mute mode« without success.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.2.0-43.68-generic-pae 3.2.42
Uname: Linux 3.2.0-43-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.2
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: hendrik 3161 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xd1a00000 irq 44'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0269,10250504,00100100
HDA:80862805,80860101,00100000'
Controls : 27
Simple ctrls : 13
CheckboxSubmission: 0ce2bdc2a56ede68784725a4056a0d5d
CheckboxSystem: 2954e74ba17fb0e37fc942cd1d9fab4e
Date: Fri May 17 17:57:39 2013
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
Symptom_Card: Internes Audio - HDA Intel PCH
Symptom_Jack: Mic, Internal
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [Aspire 5750G, Realtek ALC269VB, Mic, Internal] Underruns, dropouts or
crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/16/2012
dmi.bios.vendor: Acer
dmi.bios.version: V1.20
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: JE50_HR
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.20
dmi.modalias:
dmi:bvnAcer:bvrV1.20:bd03/16/2012:svnAcer:pnAspire5750G:pvrV1.20:rvnAcer:rnJE50_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.20:
dmi.product.name: Aspire 5750G
dmi.product.version: V1.20
dmi.sys.vendor: Acer
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2012-12-06T20:26:16.352938
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise running-unity
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https://bugs.launchpad.net/bugs/1181298
Title:
[Aspire 5750G, Realtek ALC269VB, Mic, Internal] Underruns, dropouts or
crackling sound
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