Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/961481
Title:
[USB-Audio - Plantronics GameCom 780] Mic stops accepting input
seemingly at random
Status in “alsa-driver” package in Ubuntu:
Confirmed
Bug description:
The mic works after a new reboot. After some time, the mic stops
receiving input. It still shows in the Input section of Sound
Preferences, but the Input level no longer moves. In fact, the
"graphic" of the input level bar seems to alter slightly. Each of the
indicator bars seems to get a darker outline.
The symptom seems to to occur after launching Chrome (with Google talk
plugin), Pidgin, Skype, or other things that might access the mic.
However, it does not _always_ occur. Furthermore, the mic seems to
start registering input (as seen on the Input Level indicator in sound
preferences) again seemingly at random. The original poster in this
thread (http://ubuntuforums.org/showthread.php?t=1180669) seem to
describe my symptoms very well.
I've used the mic in Windows for an extended period of time. I've
switched it to different USB jacks on my computer, including one that
has a Blue Snowball microphone that has never "crapped out" like the
Plantronics one is.
If there is any other information I can provide please let me know
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-39.86-generic 2.6.32.56+drm33.22
Uname: Linux 2.6.32-39-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jim 5236 F.... pulseaudio
/dev/snd/controlC1: jim 5236 F.... pulseaudio
/dev/snd/pcmC1D0c: jim 5236 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfa220000 irq 22'
Mixer name : 'Intel G45 DEVIBX'
Components : 'HDA:10ec0888,80860037,00100202
HDA:80862804,80860037,00100000'
Controls : 33
Simple ctrls : 18
Card1.Amixer.info:
Card hw:1 'P780'/'Plantronics Plantronics GameCom 780 at
usb-0000:00:1a.0-1.2, full speed'
Mixer name : 'USB Mixer'
Components : 'USB047f:c010'
Controls : 9
Simple ctrls : 6
Date: Wed Mar 21 14:18:00 2012
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.utf8
SHELL=/bin/bash
SelectedCard: 1 P780 USB-Audio - Plantronics GameCom 780
SourcePackage: alsa-driver
Symptom: audio
Title: [USB-Audio - Plantronics GameCom 780] Recording problem
dmi.bios.date: 11/19/2009
dmi.bios.vendor: Intel Corp.
dmi.bios.version: TCIBX10H.86A.0027.2009.1119.1517
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: DH55HC
dmi.board.vendor: Intel Corporation
dmi.board.version: AAE70933-501
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrTCIBX10H.86A.0027.2009.1119.1517:bd11/19/2009:svn:pn:pvr:rvnIntelCorporation:rnDH55HC:rvrAAE70933-501:cvn:ct3:cvr:
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