Public bug reported:
I am not sure about what is the default in my problem but when i connect
my TERRATEC AUREON 7.1 I get after a fresh install this very bad sound
crackles during playback and also some kind of weard echo like it seems
to be a record line directly to the play output connected_
I have been working around it since a week or so and al of the
possibilities i tried didn't workout for me
it seems to be a driver problem in alsa because i don't get better sound
in any case than this crackling screeching and also some kind of echo
noise overlayed above the sound on ANY output or INPUT
very annoying because in windows this asio driver card played well
butI really need ubuntu for some things. although with a better sound card
quality than nowadays it seems to be
can people be generous here and try to speed up the solution
because I really need to sing and make records on the system.
I can delay them but not very long time...
Kind regards,
Wim Pauwels
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-33.37-lowlatency 5.4.34
Uname: Linux 5.4.0-33-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Jun 6 18:31:59 2020
InstallationDate: Installed on 2020-06-02 (3 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:CMedia failed
Symptom_Card: CM [Oxygen Express] (HDA Controller) - HDA C-Media
Symptom_Jack: Green Line Out, Rear
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [System Product Name, C-Media Generic, Green Line Out, Rear] Underruns,
dropouts or crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/02/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M5A78L-M/USB3
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2101:bd12/02/2014:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM5A78L-M/USB3:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-06-06T18:25:11.055281
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1882378
Title:
[System Product Name, C-Media Generic, Green Line Out, Rear]
Underruns, dropouts or crackling sound
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