libpulse0 1:0.9.22+stable-queue-24-g67d18-0ubuntu3 (amd64 binary) in ubuntu natty

 PulseAudio, previously known as Polypaudio, is a sound server for POSIX and
 WIN32 systems. It is a drop in replacement for the ESD sound server with
 much better latency, mixing/re-sampling quality and overall architecture.
 .
 Client libraries used by applications that access a PulseAudio sound server
 via PulseAudio's native interface.