Public bug reported:
I'm not sure if this is in alsa-driver, I think I'm using pulseaudio.
I don't hear anything I'm actually trying to record, just a loud high-
pitched whine / squeal. Same result with arecord, Skype, gnome-sound-
recorder, and "ubuntu-bug audio".
lspci reports "00:1b.0 Audio device: Intel Corporation 5 Series/3400
Series Chipset High Definition Audio (rev 06)"
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: adamm 1446 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfe500000 irq 45'
Mixer name : 'Intel IbexPeak HDMI'
Components : 'HDA:10ec0269,1458a950,00100100
HDA:80862804,80860101,00100000'
Controls : 20
Simple ctrls : 12
CheckboxSubmission: 5f9ff44393f2c8d5c8eb2ad7237c9341
CheckboxSystem: 0531969bcfd4f03af7405c98dc94a948
Date: Fri Jun 17 23:51:37 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:Intel failed
Symptom_Card: Internal Audio - HDA Intel
Symptom_Jack: Mic, Internal
Symptom_Type: High background noise, or volume is too low
Title: [To be filled by O.E.M., Realtek ALC269VB, Mic, Internal] Background
noise or low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/14/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: Spring Peak
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: To be filled by O.E.M.
dmi.board.vendor: To be filled by O.E.M.
dmi.board.version: To be filled by O.E.M.
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.:bvrSpringPeak:bd10/14/2010:svnTobefilledbyO.E.M.:pnTobefilledbyO.E.M.:pvrAC5G3N-S8_F4:rvnTobefilledbyO.E.M.:rnTobefilledbyO.E.M.:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: AC5G3N-S8_F4
dmi.sys.vendor: To be filled by O.E.M.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 natty running-unity
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https://bugs.launchpad.net/bugs/799058
Title:
Realtek ALC269VB internal mic only records a high-pitched whine
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