Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1785720
Title:
Built-In Analog Audio Low & Distorted
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
I've been having trouble with my sound since I installed Ubuntu
18.04.1 LTS. The sound from my graphics card via the HDMI monitor is
fine, but the internal Intel HDA audio is very low, distorted and
crackling, both for headphones and speakers (green front / green
back). I've spent many hours so far and tried a number of suggestions
such as:
Looking in Alsa Mixer for sound levels
Adding "options snd-hda-intel position_fix=1" to the end of my
/etc/modprobe.d/alsa-base.conf
Issuing something like pulseaudio -k && rm -r ~/.config/pulse
I've also followed the instructions here:
https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS
But that didn't seem to help either
The devices are all listed, and via pavucontrol I can see the audio
bars moving and the sound levels seem fine
In Windows, my sound device driver is SoundBlaster Recon3Di, if that
helps at all?
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
Uname: Linux 4.15.0-29-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: brett 1769 F.... pulseaudio
/dev/snd/pcmC0D0c: brett 1769 F...m pulseaudio
/dev/snd/pcmC0D0p: brett 1769 F...m pulseaudio
/dev/snd/controlC0: brett 1769 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Mon Aug 6 18:36:34 2018
InstallationDate: Installed on 2018-06-01 (66 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Green Headphone Out, Front
Symptom_Type: High background noise, or volume is too low
Title: [Alienware Area-51 R2, Creative CA0132, Green Headphone Out, Front]
Background noise or low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/09/2018
dmi.bios.vendor: Alienware
dmi.bios.version: A13
dmi.board.name: 0FRTKJ
dmi.board.vendor: Alienware
dmi.board.version: A00
dmi.chassis.type: 3
dmi.chassis.vendor: Alienware
dmi.modalias:
dmi:bvnAlienware:bvrA13:bd02/09/2018:svnAlienware:pnAlienwareArea-51R2:pvr:rvnAlienware:rn0FRTKJ:rvrA00:cvnAlienware:ct3:cvr:
dmi.product.name: Alienware Area-51 R2
dmi.sys.vendor: Alienware
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2018-08-06T18:13:00.717349
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