Public bug reported:
Laptop is HP Pavilion - 15-au118tx. The laptop has B and O play and the
output from speakers are just fine, when using headphones there is some
kind of crackling and popping sound in both ears but prominently in the
left ear.
The issue happens only when the sound is played, if i reduce the PCM way
low using alsamixer, the effect is minimized but the volume is also
reduced. Increasing the volume in the panel increases the PCM as well.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.8.0-30.32-generic 4.8.6
Uname: Linux 4.8.0-30-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: antony 1719 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Dec 7 23:30:05 2016
InstallationDate: Installed on 2016-11-20 (17 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
PackageArchitecture: all
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, Left
Symptom_Type: Digital clip or distortion, or "overdriven" sound
Title: [HP Pavilion Notebook, Realtek ALC295, Black Headphone Out, Left] Sound
is distorted
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/19/2016
dmi.bios.vendor: Insyde
dmi.bios.version: F.14
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 8216
dmi.board.vendor: HP
dmi.board.version: 83.13
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.14:bd07/19/2016:svnHP:pnHPPavilionNotebook:pvrType1ProductConfigId:rvnHP:rn8216:rvr83.13:cvnHP:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion Notebook
dmi.product.version: Type1ProductConfigId
dmi.sys.vendor: HP
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2016-12-07T23:12:52.939689
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug yakkety
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https://bugs.launchpad.net/bugs/1648183
Title:
Crackling and popping sound when using headphones
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