Crackling sound

[Zoran Dori]

I've installed Kubuntu 20.04 and I have crackling/popping sound. I tried to change needed files for pulseaudio and alsa (disabling power save), reboot the system and I still have problem.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: kizule 1937 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Wed May 13 20:47:03 2020
InstallationDate: Installed on 2020-05-13 (0 days ago)
InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/10/2007
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68MVU Ver. F.06
dmi.board.name: 30D5
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 82.15
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68MVUVer.F.06:bd12/10/2007:svnHewlett-Packard:pn:pvrF.06:rvnHewlett-Packard:rn30D5:rvrKBCVersion82.15:cvnHewlett-Packard:ct10:cvr:
dmi.product.family: 103C_5336AN
dmi.product.version: F.06
dmi.sys.vendor: Hewlett-Packard
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-05-13T20:24:18.764608