Public bug reported:
I've had problems with sound from the very begining, but on 11.04 it was
semi-working. MythTV and Huludesktop worked, and that's all that really
mattered (this is a home theater PC). I think I got it working at the
time by messing around with .asoundrc and having it resample everything
to 48000kHz. MP3s still didn't sound right when played through
RhythmBox, but I never used that.
However, after upgrading to 12.04 the problem is back despite the
.asoundrc not being overwritten.
When playing mp3s or watching Huludesktop, the sound is fair, but not
good. It sounds thin and every 10-12 seconds there is this metallic
buzz.
When playing movies in MythTV, I get nothing but this horrible fast
popping noise.
The motherboard is a P7H57D-V Evo. The MythTV hardware profile states
that I'm using a "5 Series/3400 Series Chipset High Definition Audio".
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
Uname: Linux 3.2.0-26-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ian 2492 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf78f4000 irq 54'
Mixer name : 'Intel IbexPeak HDMI'
Components : 'HDA:10ec0889,104383c0,00100004
HDA:80862804,80860101,00100000'
Controls : 45
Simple ctrls : 23
Date: Tue Jul 10 20:34:02 2012
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_Jack: Digital Out, HDMI
Symptom_Type: Digital clip or distortion, or "overdriven" sound
Title: [System Product Name, Intel IbexPeak HDMI, Digital Out, HDMI] Sound is
distorted
UpgradeStatus: Upgraded to precise on 2012-07-10 (0 days ago)
dmi.bios.date: 08/13/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1606
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P7H57D-V EVO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1606:bd08/13/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7H57D-VEVO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2012-07-10T17:26:38.537179
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1023215
Title:
HDMI Sound intermittent buzz / fast popping (depending on source)
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