Public bug reported:
>> When recording the noise is too high (even when recorded in silent
>> environment) and masks the input voice/speech.
>> Microphone boost if increased increases the noise level
>> Issues seen in multiple recording software and applications like audacity,
>> matlab, skype etc. (so not an issue with application)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.8.0-35.52~precise1-generic 3.8.13.13
Uname: Linux 3.8.0-35-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.8.0-35-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CX20590 Analog [CX20590 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: thimmaiah 1941 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc1610000 irq 47'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:14f1506e,10280572,00100003
HDA:80862806,80860101,00100000'
Controls : 28
Simple ctrls : 11
Date: Sun Feb 2 15:49:44 2014
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Mic, Internal
Symptom_Type: High background noise, or volume is too low
Title: [Inspiron 7520, Conexant CX20590, Mic, Internal] Background noise or low
volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/17/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A02
dmi.board.name: 05TJ3M
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A02
dmi.modalias:
dmi:bvnDellInc.:bvrA02:bd05/17/2012:svnDellInc.:pnInspiron7520:pvrA02:rvnDellInc.:rn05TJ3M:rvrA00:cvnDellInc.:ct8:cvrA02:
dmi.product.name: Inspiron 7520
dmi.product.version: A02
dmi.sys.vendor: Dell Inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise running-unity
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1275470
Title:
[Inspiron 7520, Conexant CX20590, Mic, Internal] Background noise or
low volume
Status in “alsa-driver” package in Ubuntu:
New
Bug description:
>> When recording the noise is too high (even when recorded in silent
environment) and masks the input voice/speech.
>> Microphone boost if increased increases the noise level
>> Issues seen in multiple recording software and applications like audacity,
matlab, skype etc. (so not an issue with application)
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.8.0-35.52~precise1-generic 3.8.13.13
Uname: Linux 3.8.0-35-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.8.0-35-generic.
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CX20590 Analog [CX20590 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: thimmaiah 1941 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc1610000 irq 47'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:14f1506e,10280572,00100003
HDA:80862806,80860101,00100000'
Controls : 28
Simple ctrls : 11
Date: Sun Feb 2 15:49:44 2014
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Mic, Internal
Symptom_Type: High background noise, or volume is too low
Title: [Inspiron 7520, Conexant CX20590, Mic, Internal] Background noise or
low volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/17/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A02
dmi.board.name: 05TJ3M
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A02
dmi.modalias:
dmi:bvnDellInc.:bvrA02:bd05/17/2012:svnDellInc.:pnInspiron7520:pvrA02:rvnDellInc.:rn05TJ3M:rvrA00:cvnDellInc.:ct8:cvrA02:
dmi.product.name: Inspiron 7520
dmi.product.version: A02
dmi.sys.vendor: Dell Inc.
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