Same on Ubuntu 13.10. Mic works OK in Windows 8 on the same machine.
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https://bugs.launchpad.net/bugs/852775
Title:
Realtek ALC887-VD, Microphone background noise
Status in “alsa-driver” package in Ubuntu:
Confirmed
Bug description:
My computers sound input has a lot of background noise. If I don't use
Mic Boost it can't be heard but neither can my own voice. If I add Mic
Boost my voice can be heard but it is also very noisy. Other people
can just barely understand me in Skype (also true if I try to test it
with other programs). Microphone works well in Windows Vista.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC887-VD Analog [ALC887-VD Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tomin 2235 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfbff4000 irq 16'
Mixer name : 'Realtek ALC887-VD'
Components : 'HDA:10ec0887,10438445,00100302'
Controls : 26
Simple ctrls : 15
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xfe97c000 irq 19'
Mixer name : 'Nvidia GPU 12 HDMI/DP'
Components : 'HDA:10de0012,10de0101,00100100'
Controls : 16
Simple ctrls : 4
CurrentDmesg: [ 34.421982] process `skype' is using obsolete setsockopt
SO_BSDCOMPAT
Date: Sat Sep 17 21:56:44 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=fi_FI:en
PATH=(custom, user)
LANG=fi_FI.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:SB successful
Symptom_Card: Sisäinen äänentoisto - HDA ATI SB
Symptom_Jack: Pink Mic, Front
Symptom_PulseAudioRecordingTest: PulseAudio recording test through plughw:SB
successful
Symptom_Type: High background noise, or volume is too low
Title: [System Product Name, Realtek ALC887-VD, Pink Mic, Front] Background
noise or low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/19/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0404
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M5A87
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.:bvr0404:bd04/19/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM5A87:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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