Public bug reported: For a better explanation, here is a video I've made. https://youtu.be/8q092XpLT-Y
For further diagnostics, here is a ubuntu forum post I've made. http://ubuntuforums.org/showthread.php?t=2322708 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC2D0c: deviantxs 1672 F...m pulseaudio /dev/snd/controlC2: deviantxs 1672 F.... pulseaudio /dev/snd/controlC0: deviantxs 1672 F.... pulseaudio /dev/snd/controlC1: deviantxs 1672 F.... pulseaudio CurrentDesktop: Unity Date: Mon May 2 16:35:54 2016 InstallationDate: Installed on 2016-04-30 (2 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:SB failed Symptom_Card: Built-in Audio - HDA ATI SB Symptom_Jack: Green Line Out, Rear Symptom_Type: Digital clip or distortion, or "overdriven" sound Title: [CM1855, Realtek ALC892, Green Line Out, Rear] Sound is distorted UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/20/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1501 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: CM1855 dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1501:bd08/20/2013:svnASUSTeKCOMPUTERINC.:pnCM1855:pvrTobefilledbyO.E.M.:rvnASUSTeKCOMPUTERINC.:rnCM1855:rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: CM1855 dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: ASUSTeK COMPUTER INC. ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1577599 Title: [CM1855, Realtek ALC892, Green Line Out, Rear] Sound is distorted / Audio Notification unstable (Popping in/out) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1577599/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
