alsa-driver hasn't changed in over a year, and pulseaudio hasn't changed since June. So it doesn't sound like a regression in either of those.
Maybe a kernel regression? ** Summary changed: - [System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is distorted + [System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is distorted (as of a few weeks ago) ** Package changed: alsa-driver (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1805527 Title: [System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is distorted (as of a few weeks ago) Status in linux package in Ubuntu: New Bug description: I use audio via DisplayPort. Until a few weeks ago, I got good quality audio. Now, I get really bad 8-bit-ish distorted audio. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18 Uname: Linux 4.15.0-38-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mikel 2276 F.... pulseaudio /dev/snd/pcmC1D3p: mikel 2276 F...m pulseaudio /dev/snd/controlC1: mikel 2276 F.... pulseaudio CurrentDesktop: XFCE Date: Tue Nov 27 17:18:56 2018 InstallationDate: Installed on 2015-10-05 (1149 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:HDMI failed Symptom_Card: Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series] - HDA ATI HDMI Symptom_Jack: Digital Out, HDMI Symptom_Type: Digital clip or distortion, or "overdriven" sound Title: [System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is distorted UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/21/2011 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0703 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: P8Z68-V LX dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev X.0x dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0703:bd10/21/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8Z68-VLX:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.family: To be filled by O.E.M. dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1805527/+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
