$aptitude search pulse
p   gstreamer0.10-pulseaudio        - GStreamer plugin for PulseAudio           
p   libao-pulse                     - libao PulseAudio driver                   
p   libgstreamer-plugins-pulse0.10- - GStreamer plugin for PulseAudio (transitio
p   libpulse-browse0                - PulseAudio client libraries (zeroconf supp
p   libpulse-browse0-dbg            - PulseAudio client libraries (zeroconf supp
p   libpulse-dev                    - PulseAudio client development headers and 
p   libpulse-mainloop-glib0         - PulseAudio client libraries (glib support)
p   libpulse-mainloop-glib0-dbg     - PulseAudio client libraries (glib support)
i   libpulse0                       - PulseAudio client libraries               
p   libpulse0-dbg                   - PulseAudio client libraries detached debug
p   libpulsecore5                   - PulseAudio sound server core              
p   libpulsecore5-dbg               - PulseAudio sound server core detached debu
p   libsdl1.2debian-pulseaudio      - Simple DirectMedia Layer (with X11 and Pul
p   pulseaudio                      - PulseAudio sound server                   
p   pulseaudio-dbg                  - PulseAudio sound server detached debugging
p   pulseaudio-esound-compat        - PulseAudio ESD compatibility layer        
p   pulseaudio-esound-compat-dbg    - PulseAudio ESD compatibility layer debuggi
p   pulseaudio-module-gconf         - GConf module for PulseAudio sound server  
p   pulseaudio-module-gconf-dbg     - GConf module for PulseAudio sound server d
p   pulseaudio-module-hal           - HAL device detection module for PulseAudio
p   pulseaudio-module-hal-dbg       - HAL module for PulseAudio sound server deb
p   pulseaudio-module-lirc          - lirc module for PulseAudio sound server   
p   pulseaudio-module-lirc-dbg      - lirc module for PulseAudio sound server de
p   pulseaudio-module-x11           - X11 module for PulseAudio sound server    
p   pulseaudio-module-x11-dbg       - X11 module for PulseAudio sound server deb
p   pulseaudio-module-zeroconf      - Zeroconf module for PulseAudio sound serve
p   pulseaudio-module-zeroconf-dbg  - Zeroconf module for PulseAudio sound serve
p   pulseaudio-utils                - Command line tools for the PulseAudio soun
p   pulseaudio-utils-dbg            - PulseAudio command line tools detached deb
p   vlc-plugin-pulse                - Pulseaudio audio output plugin for VLC