Thanks. Can you edit /usr/share/alsa/cards/USB-Audio.conf, scroll down
to the "USB-Audio.pcm.iec958_device" section and add the following line:
"Sennheiser USB headset" 999
(including quotes)
...just above the similar "Logitech USB Headset" 999 line. Notice that
your headset is spelled with a lowercase h.
Save the file and reboot to test. If you can confirm this resolves your
problem, I will be able to submit the attached patch, that makes this
the default for Ubuntu and upstream ALSA in the future.
** Patch added:
"0001-alsa-lib-conf-block-S-PDIF-access-for-Sennheiser-USB.patch"
https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/975941/+attachment/3058883/+files/0001-alsa-lib-conf-block-S-PDIF-access-for-Sennheiser-USB.patch
** Changed in: alsa-lib (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/975941
Title:
[soundnua]: Spurious "Digital Output S/PDIF" output entry for USB
headset
Status in “alsa-lib” package in Ubuntu:
Incomplete
Status in “gnome-control-center” package in Ubuntu:
Invalid
Bug description:
I have a Sennheiser USB headset, which in Ubuntu 11.10 is reported
correctly, once, in the sound settings when I plug it in. However in
12.04 it is reported twice:
"Digital Output (S/PDIF)
Sennheiser USB headset"
"Speakers
Sennheiser USB headset"
Both have a headset icon. Only the "Speaker" entry appears to work
correctly; when I try to select the "Digital Output (S/PDIF)" entry
the selection usually immediately jumps to some other entry.
It's also strange that the icon is a headset, so it appear to
recognize that it's a headset, yet the label for the working entry is
"Speakers". I don't think that is correct, it should be "Headphones"
(as it is for the headphones connector on my motherboard).
Let me know if you need additional information or if I can help in any
other way to fix this problem!
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-control-center 1:3.4.0-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic-pae 3.2.14
Uname: Linux 3.2.0-22-generic-pae i686
ApportVersion: 2.0-0ubuntu4
Architecture: i386
Date: Sat Apr 7 15:15:40 2012
ExecutablePath: /usr/bin/gnome-control-center
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386
(20111129.1)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
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