[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/818553
Title:
[Aspire 4810T, Realtek ALC269, Mic, Internal] Background noise
Status in alsa-driver package in Ubuntu:
Expired
Bug description:
I have a problem with loud backgroud noise in Ubuntu using the internal mic
(Sound Recorder, Skype, Audacity, etc.)
This problem is not hardware related, since if I start Windows 7 64bit on the
same machine the audio (including the mic) is perfect.
I guess that this bug might be related to pulseaudio.
I did another test on Ubuntu Natty by forcing skype to start with
following command in the Application Menu (thus bypassing pulse, I
guess) and the mic input is clear and without noise in that case:
bin/sh -c "PULSE_SERVER=127.0.0.1 skype" &
Source: http://www.linlap.com/wiki/acer+aspire+1410
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tiziano 1612 F.... pulseaudio
/dev/snd/pcmC0D0p: tiziano 1612 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xe4500000 irq 48'
Mixer name : 'Realtek ALC269'
Components : 'HDA:10ec0269,1025022a,00100004'
Controls : 18
Simple ctrls : 10
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xe4410000 irq 49'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100100'
Controls : 4
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sat Jul 30 17:17:13 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en
LANG=en_GB.UTF-8
LC_MESSAGES=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:Intel successful
Symptom_Card: Internal Audio - HDA Intel
Symptom_Jack: Mic, Internal
Symptom_PulseAudioRecordingTest: PulseAudio recording test through
plughw:Intel successful
Symptom_Type: High background noise, or volume is too low
Title: [Aspire 4810T, Realtek ALC269, Mic, Internal] Background noise or low
volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/13/2010
dmi.bios.vendor: INSYDE
dmi.bios.version: V1.35
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Aspire 4810T
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnINSYDE:bvrV1.35:bd04/13/2010:svnAcer:pnAspire4810T:pvrV1.35:rvnAcer:rnAspire4810T:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: Aspire 4810T
dmi.product.version: V1.35
dmi.sys.vendor: Acer
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