1 PulseAudio is a sound server for POSIX and Win32 systems. A sound server is
2 basically a proxy for your sound applications. It allows you to do advanced
3 operations on your sound data as it passes between your application and your
4 hardware. Things like transferring the audio to a different machine, changing
5 the sample format or channel count and mixing several sounds into one are
6 easily achieved using a sound server.