Public bug reported:
Recently installed Ubuntu in my Lenvo Ideapad and sound quality is very
poor. Most of the times audio is very little even though increased the
volume to 100 and sound is crackling. I followed many sites to try to
fix it but nothing works.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.18.0-25.26~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-25-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: vomisha 2164 F.... pulseaudio
/dev/snd/controlC0: vomisha 2164 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Tue Jul 30 21:10:46 2019
InstallationDate: Installed on 2019-04-21 (100 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
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: Speaker, Internal
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [20217, Realtek ALC282, Speaker, Internal] Underruns, dropouts or
crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/04/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 74CN32WW(V2.02)
dmi.board.asset.tag: YB00141556
dmi.board.name: 20217
dmi.board.vendor: LENOVO
dmi.board.version: 31900004WIN8 STD SGL
dmi.chassis.asset.tag: YB00141556
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo IdeaPad Y510P
dmi.modalias:
dmi:bvnLENOVO:bvr74CN32WW(V2.02):bd06/04/2013:svnLENOVO:pn20217:pvrLenovoIdeaPadY510P:rvnLENOVO:rn20217:rvr31900004WIN8STDSGL:cvnLENOVO:ct10:cvrLenovoIdeaPadY510P:
dmi.product.name: 20217
dmi.product.sku: LENOVO_BI_IDEAPAD
dmi.product.version: Lenovo IdeaPad Y510P
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1838488
Title:
[20217, Realtek ALC282, Speaker, Internal] Underruns, dropouts or
crackling sound
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