Public bug reported:
I have a recent problem with VLC video player and surround sound (at
least when listened to with head phones). Until recently, when I used
VLC to watch a video which has surround sound (5.1), the sound was
automatically mixed so that it sounded right with my headphones. Now the
front channel information seems to be missing, as most of the sound
appears to be coming from behind. For example, when a person who is in
the front speaks, the sound is weak and it comes from the back, echoing,
and is also muted. I have tried all the sound settings available at the
upper panel, but couldn't get any improvement. The setting "analog
stereo output" gives the best results (the ones described above). Sound
settings in VLC don't help either.
Sources with stereo sound (videos or sound files) work normally.
The problem started around the time I upgraded to Ubuntu 11.10, but I'm
not sure about the exact moment, as I didn't watch any videos around the
time of doing the upgrade.
Surround sound works normally with Totem and Gnome Mplayer
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: vlc 1.1.12-1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
Date: Sat Oct 22 21:19:27 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcEnviron:
PATH=(custom, no user)
LANG=fi_FI.UTF-8
SHELL=/bin/bash
SourcePackage: vlc
UpgradeStatus: Upgraded to oneiric on 2011-10-13 (8 days ago)
** Affects: vlc (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric running-unity
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https://bugs.launchpad.net/bugs/880043
Title:
VLC, headphones, surround sound: front channels missing
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