The problem is solved by implementing the following step :
Step 1
If you are using Ubuntu 11.10 (Oneiric), then execute this command and reboot:
sudo add-apt-repository ppa:ubuntu-audio-dev/ppa; sudo apt-get update;sudo
apt-get dist-upgrade; sudo apt-get install linux-sound-base alsa-base
alsa-utils gdm ubuntu-desktop linux-image-`uname -r` libasound2
linux-alsa-driver-modules-$(uname -r); sudo apt-get -y --reinstall install
linux-sound-base alsa-base alsa-utils gdm ubuntu-desktop linux-image-`uname
-r` libasound2 linux-alsa-driver-modules-$(uname -r); killall pulseaudio; rm
-r ~/.pulse*; sudo usermod -aG `cat /etc/group | grep -e '^pulse:' -e '^audio:'
-e '^pulse-access:' -e '^pulse-rt:' -e '^video:' | awk -F: '{print $1}' | tr
'\n' ',' | sed 's:,$::g'` `whoami`.
The solution is available at:
https://help.ubuntu.com/community/SoundTroubleshootingProcedure
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https://bugs.launchpad.net/bugs/958998
Title:
[System Product Name, Realtek ALC892, SPDIF Out, Internal] No sound at
all
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