dpkg -l | grep "alsa"

im@im:~$ dpkg -l | grep "alsa"
ii  alsa-base                             1.0.22.1+dfsg-0ubuntu3                          ALSA driver configuration files
ii  alsa-utils                            1.0.22-0ubuntu5                                 ALSA utilities
ii  bluez-alsa                            4.60-0ubuntu8                                   Bluetooth audio support
ii  gstreamer0.10-alsa                    0.10.28-1                                       GStreamer plugin for ALSA
ii  libesd-alsa0                          0.2.41-6ubuntu1                                 Enlightened Sound Daemon (ALSA) - transition
ii  libsdl1.2debian-alsa                  1.2.14-4ubuntu1.1                               Simple DirectMedia Layer (with X11 and ALSA
ii  libsox-fmt-alsa                       14.3.0-1.1build1                                SoX alsa format I/O library