<s>
libcanberra	B-Application
is	O
a	O
free	O
and	O
open-source	O
implementation	O
of	O
the	O
freedesktop.org	B-Application
name	O
and	O
sound	O
theme	O
specifications	O
.	O
</s>
<s>
It	O
supports	O
several	O
backends	O
,	O
including	O
ALSA	B-Application
,	O
PulseAudio	B-Library
,	O
OSS	B-Library
,	O
and	O
GStreamer	B-Language
.	O
</s>
