Configuring Sound on Linux/Pulse Audio/Pulse apps

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A typical PulseAudio distribution comes with numerous different programs. Refer to the man pages for more information. All official PulseAudio applications are prefixed with pa.

paplay
Plays wavs and select other audio files. This is not an mp3 player.
pacat 
Plays and records streams
PulseAudio alternative to aplay
pasuspender
Permits another device to access the sound device directly. Typically this is used for applications that can not plug into pulseaudio.
pactl
Controls the running pulseaudio server/daemon.
padsp
Creates a dsp and other devices for a transparent abstraction of a non-existant device.
pacmd
PulseAudio shell into pactl