Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1348912
Title:
[USB-Audio - FiiO USB DAC-E17, playback] crackling and distorted sound
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
USB sound card worked fine until I installed software package updates.
Not sure which one.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: matthew 2924 F.... pulseaudio
/dev/snd/controlC1: matthew 2924 F.... pulseaudio
/dev/snd/controlC0: matthew 2924 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Jul 26 07:14:23 2014
InstallationDate: Installed on 2014-05-01 (85 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:DACE17 failed
Symptom_Card: FiiO USB DAC-E17 - FiiO USB DAC-E17
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [USB-Audio - FiiO USB DAC-E17, playback] Underruns, dropouts or
crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/13/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F11a
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z77-DS3H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF11a:bd11/13/2013:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ77-DS3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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