Public bug reported: Whenever I play audio, I head a loud hiss from my headphones. The hiss stops after a few seconds if I pause the audio, but starts again when I start it.
The hiss goes away if I open 'alsamixer' and increase 'Headphone Mic Boost', but I'm not sure if this is expected behaviour. ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10 Uname: Linux 5.3.0-24-generic x86_64 ApportVersion: 2.20.11-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: qasim 850 F.... pulseaudio /dev/snd/pcmC0D0p: qasim 850 F...m pulseaudio CurrentDesktop: ubuntu:GNOME Date: Thu Dec 26 16:33:21 2019 InstallationDate: Installed on 2019-12-21 (5 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) PackageArchitecture: all ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/usr/bin/fish SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Black Headphone Out, Front Symptom_Type: High background noise, or volume is too low Title: [XPS 13 9350, Realtek ALC3246, Black Headphone Out, Front] Background noise or low volume UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/22/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.10.1 dmi.board.name: 07TYC2 dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.10.1:bd01/22/2019:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn07TYC2:rvrA01:cvnDellInc.:ct9:cvr: dmi.product.family: NULL dmi.product.name: XPS 13 9350 dmi.product.sku: 0704 dmi.sys.vendor: Dell Inc. ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug eoan -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1857652 Title: Loud background hiss when using headphones (XPS 13 9350) Status in alsa-driver package in Ubuntu: New Bug description: Whenever I play audio, I head a loud hiss from my headphones. The hiss stops after a few seconds if I pause the audio, but starts again when I start it. The hiss goes away if I open 'alsamixer' and increase 'Headphone Mic Boost', but I'm not sure if this is expected behaviour. ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10 Uname: Linux 5.3.0-24-generic x86_64 ApportVersion: 2.20.11-0ubuntu8.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: qasim 850 F.... pulseaudio /dev/snd/pcmC0D0p: qasim 850 F...m pulseaudio CurrentDesktop: ubuntu:GNOME Date: Thu Dec 26 16:33:21 2019 InstallationDate: Installed on 2019-12-21 (5 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) PackageArchitecture: all ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/usr/bin/fish SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Black Headphone Out, Front Symptom_Type: High background noise, or volume is too low Title: [XPS 13 9350, Realtek ALC3246, Black Headphone Out, Front] Background noise or low volume UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/22/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.10.1 dmi.board.name: 07TYC2 dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.10.1:bd01/22/2019:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn07TYC2:rvrA01:cvnDellInc.:ct9:cvr: dmi.product.family: NULL dmi.product.name: XPS 13 9350 dmi.product.sku: 0704 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1857652/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp