You have been subscribed to a public bug:
The audio isn't in sync with video (ex. with youtube).
Sometimes the audio is missing
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: pulseaudio 1:13.99.2-1ubuntu2.3
ProcVersionSignature: Ubuntu 5.8.0-41.46-generic 5.8.18
Uname: Linux 5.8.0-41-generic x86_64
ApportVersion: 2.20.11-0ubuntu50.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: simone 2131 F.... pulseaudio
/dev/snd/controlC0: simone 2131 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Jan 31 15:56:52 2021
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=it_IT.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
Symptom: audio
Symptom_Card: CMT-SBT20
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [CMT-SBT20, playback] Underruns, dropouts or crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/16/2019
dmi.bios.release: 5.14
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X512DK.305
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X512DK
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrX512DK.305:bd07/16/2019:br5.14:svnASUSTeKCOMPUTERINC.:pnVivoBook_ASUSLaptopX512DK_X512DK:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX512DK:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: VivoBook
dmi.product.name: VivoBook_ASUSLaptop X512DK_X512DK
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: a2dp amd64 apport-bug groovy
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Bluetooth audio underruns, dropouts or crackling sound
https://bugs.launchpad.net/bugs/1913947
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