Public bug reported:
the output sound through the hdmi plays with high pitch noise in the
background and repeats the noise like each second.
the same laptop does not produce this noise when it boots with windows
vista that came originally
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: pulseaudio 1:1.0-0ubuntu3.1
ProcVersionSignature: Ubuntu 3.0.0-14.23-generic-pae 3.0.9
Uname: Linux 3.0.0-14-generic-pae i686
NonfreeKernelModules: wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: fpalbuja 1558 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xda500000 irq 48'
Mixer name : 'Intel Cantiga HDMI'
Components : 'HDA:111d76b2,103c30f7,00100302
HDA:11c11040,103c137e,00100200 HDA:80862802,80860101,00100000'
Controls : 27
Simple ctrls : 16
Date: Thu Mar 1 20:43:50 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful
Symptom_Card: Internal Audio - HDA Intel
Symptom_Jack: Digital Out, HDMI
Symptom_PulsePlaybackTest: PulseAudio playback test failed
Symptom_Type: High background noise, or volume is too low
Title: [HP Pavilion dv4 Notebook PC, Intel Cantiga HDMI, Digital Out, HDMI]
Background noise or low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/18/2010
dmi.bios.vendor: Insyde
dmi.bios.version: F.66
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 30F7
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 99.C3
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnInsyde:bvrF.66:bd05/18/2010:svnHewlett-Packard:pnHPPaviliondv4NotebookPC:pvrF.66:rvnHewlett-Packard:rn30F7:rvr99.C3:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv4 Notebook PC
dmi.product.version: F.66
dmi.sys.vendor: Hewlett-Packard
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: apport-bug i386 oneiric running-unity
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https://bugs.launchpad.net/bugs/944511
Title:
[HP Pavilion dv4 Notebook PC, Intel Cantiga HDMI, Digital Out, HDMI]
Background noise or low volume
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