…
$ pactl list sinks | grep 'Sink\|Mute'
Sink #0
Mute: yes
$ pactl set-sink-mute 0 0
$ pactl list sinks | grep 'Sink\|Mute'
Sink #0
Mute: no
man 1 pactl
…
Besides HDMI audio with the assistance of the 'nouveau.ko'
*do* work.
To conclude,
http://goo.gl/ETNFL ;)
'pavucontrol' - PulseAudio "Volume Control"
repoquery -i pavucontrol
'paplay' - CLI audio player for a PulseAudio sound server
man 1 paplay - pulseaudio-utils
poma