Public bug reported:
I still have small crackles in my line input audio, even after trying
everything suggested in https://wiki.ubuntu.com/Audio/PositionReporting
I also lowered the line boost level in alsamixer, which helped, but
there are still slight pops and cracks every second or two, depending on
the level of audio coming in.
System info
Description: Ubuntu 17.04
Release: 17.04
pulseaudio:
Installed: 1:10.0-1ubuntu2
Candidate: 1:10.0-1ubuntu2
Version table:
*** 1:10.0-1ubuntu2 500
500 http://mirror.steadfast.net/ubuntu zesty/main amd64 Packages
100 /var/lib/dpkg/status
alsa-base:
Installed: 1.0.25+dfsg-0ubuntu5
Candidate: 1.0.25+dfsg-0ubuntu5
Version table:
*** 1.0.25+dfsg-0ubuntu5 500
500 http://mirror.steadfast.net/ubuntu zesty/main amd64 Packages
500 http://mirror.steadfast.net/ubuntu zesty/main i386 Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: pulseaudio 1:10.0-1ubuntu2
ProcVersionSignature: Ubuntu 4.10.0-22.24-generic 4.10.15
Uname: Linux 4.10.0-22-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: brad 2455 F.... pulseaudio
/dev/snd/controlC1: brad 2455 F.... pulseaudio
Date: Sat Jun 3 13:56:58 2017
InstallationDate: Installed on 2017-04-23 (41 days ago)
InstallationMedia: Kubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
SourcePackage: pulseaudio
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/21/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.30
dmi.board.name: X370 Killer SLI/ac
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP2.30:bd04/21/2017:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnX370KillerSLI/ac:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug zesty
** Attachment added: "Sample Recording"
https://bugs.launchpad.net/bugs/1695652/+attachment/4888554/+files/Audio_Crackle
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https://bugs.launchpad.net/bugs/1695652
Title:
Audio recordings crackle
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