[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/1233246
Title:
[Thinkpad T400, Conexant CX20561] Sound is
overdriven/distorted/crackling
Status in alsa-driver package in Ubuntu:
Expired
Bug description:
Hi,
The sound on my Thinkpad T400 (Intel HDA conexant cx20561) seems te be
overdriven at some point, resulting in a soundquality typical for it.
The effects are subtle though very annoying while listening to 'clean'
piano-music for example. I tried playing around with the ALSA-mixer
but haven't discovered any relation between the crackling and, say,
the PCM level. Although reducing any level reduces the noise and at
some point makes it vanish, there does not seem to be a real
difference in reducing the master instead of the PCM level. I have
also tried several different model parameters, without any effect at
all.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
Uname: Linux 3.6.11-030611-generic i686
ApportVersion: 2.9.2-0ubuntu8.3
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: thinkpad 3760 F.... pulseaudio
Date: Mon Sep 30 17:28:29 2013
InstallationDate: Installed on 2013-06-16 (106 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/17/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UET94WW (3.24 )
dmi.board.name: 6475PG9
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:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn6475PG9:pvrThinkPadT400:rvnLENOVO:rn6475PG9:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 6475PG9
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO
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