ports:
analog-input-microphone-internal: Internal Microphone (priority
8900, latency offset 0 usec, available: unknown)
properties:
device.icon_name = "audio-input-microphone"
analog-input: Analog Input (priority 10000, latency offset 0
usec, available: unknown)
properties:
analog-input-microphone: Microphone (priority 8700, latency
offset 0 usec, available: unknown)
properties:
device.icon_name = "audio-input-microphone"
active port: <analog-input-microphone-internal>
for notebook, Mic jack availablity is either yes or no which determine the
capture source auotmatically
analog input priority 10000 is higher than internal Mic and Mic jack
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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/1356393
Title:
[XPS M1330, SigmaTel STAC9228, Mic, Internal] volume too low and
distorted even with boost
Status in “alsa-driver” package in Ubuntu:
Incomplete
Bug description:
Description: Ubuntu 14.04.1 LTS
Release: 14.04
Dell XPS M1330
SigmaTel STAC9228
Internal Microphone
Problem: The capture volume is so low on the internal microphone (not the
jack) that I can barely hear it even with full boost and speaker volume all the
way up. Additionally, the capture has some distortion. If I tap on the
microphone I can hear the taps, so I know that the capture is working; however,
it is not functioning in a manner that allows it to be usable.
Everything else works great, including audio output (I can hear music and
sound from videos just fine).
Additionally, when I boot into windows vista, the microphone works perfectly,
so it's not a hardware issue.
I have scoured the forums trying to find a fix, including trying all
the different models in alsa-base.conf listed for the STAC9228 and
trying all sorts of configurations via alsamixer and pavucontrol
including silencing the left/right channel while leaving the other at
full volume. I have even tried alternate configurations via
hdajackretask. Thanks for any help you can give.
jay
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic i686
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jay 1917 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Aug 13 09:54:25 2014
InstallationDate: Installed on 2014-08-02 (10 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_Jack: Mic, Internal
Symptom_Type: High background noise, or volume is too low
Title: [XPS M1330, SigmaTel STAC9228, Mic, Internal] Background noise or low
volume
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/26/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A15
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA15:bd12/26/2008:svnDellInc.:pnXPSM1330:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: XPS M1330
dmi.sys.vendor: Dell Inc.
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2014-08-13T09:42:42.548525
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