Thank you for reporting this bug to Ubuntu. Ubuntu 13.10 (saucy) reached end-of-life on July 17, 2014.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. ** Changed in: pulseaudio (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1256128 Title: [Acer Aspire G7711, Realtek ALC888] Underruns, dropouts or crackling sound Status in pulseaudio package in Ubuntu: Incomplete Bug description: Sound on the right channel is cracky. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6 Uname: Linux 3.11.0-13-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: bartek 2190 F.... pulseaudio /dev/snd/pcmC0D0p: bartek 2190 F...m pulseaudio /dev/snd/timer: bartek 2190 f.... pulseaudio Date: Thu Nov 28 23:37:05 2013 EcryptfsInUse: Yes InstallationDate: Installed on 2013-11-28 (0 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64+mac (20131016.1) MarkForUpload: True PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed Symptom_Card: Built-in Audio - HDA Intel Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [HDA-Intel - HDA Intel, playback] Underruns, dropouts or crackling sound UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/31/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P01-A2 dmi.board.name: Aspire G7711 dmi.board.vendor: Acer dmi.chassis.type: 3 dmi.chassis.vendor: Acer dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP01-A2:bd03/31/2010:svnAcer:pnAspireG7711:pvr:rvnAcer:rnAspireG7711:rvr:cvnAcer:ct3:cvr: dmi.product.name: Aspire G7711 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1256128/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp