Public bug reported:
The sounds is bad no matter from where it comes from speakers of from
headphones. it does not matter if it's from internet or from avi file.
it started when I updated from 10.04 to 12.04. Sound quality is good
when I start my pc and having only firefox on, but right after I start
any other application the sound gets bad.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
Uname: Linux 3.2.0-30-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu13
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: aleksi 1686 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xee400000 irq 47'
Mixer name : 'Analog Devices AD1981'
Components : 'HDA:11d41981,17aa2025,00100200'
Controls : 20
Simple ctrls : 11
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
79HT50WW-1.07'
Mixer name : 'ThinkPad EC 79HT50WW-1.07'
Components : ''
Controls : 2
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
Playback channels: Mono
Limits: Playback 0 - 14
Mono: Playback 3 [21%] [off]
Date: Wed Sep 19 17:37:12 2012
InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release i386 (20110720.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en
TERM=xterm
PATH=(custom, no user)
LANG=fi_FI.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_Jack: Green Line Out, Left
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [200763G, Analog Devices AD1981, Green Line Out, Left] Underruns,
dropouts or crackling sound
UpgradeStatus: Upgraded to precise on 2012-09-17 (1 days ago)
dmi.bios.date: 04/12/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 79ETD2WW (2.12 )
dmi.board.name: 200763G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr79ETD2WW(2.12):bd04/12/2007:svnLENOVO:pn200763G:pvrThinkPadT60:rvnLENOVO:rn200763G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 200763G
dmi.product.version: ThinkPad T60
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise running-unity
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https://bugs.launchpad.net/bugs/1052966
Title:
[200763G, Analog Devices AD1981, Green Line Out, Left] Underruns,
dropouts or crackling sound
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