<s>
Structured	B-Language
Audio	I-Language
Orchestra	I-Language
Language	I-Language
(	O
SAOL	O
)	O
is	O
an	O
imperative	B-Application
,	O
MUSIC-N	B-Application
programming	O
language	O
designed	O
for	O
describing	O
virtual	B-Application
instruments	I-Application
,	O
processing	B-General_Concept
digital	O
audio	O
,	O
and	O
applying	O
sound	O
effects	O
.	O
</s>
<s>
It	O
was	O
published	O
as	O
subpart	O
5	O
of	O
MPEG-4	B-Algorithm
Part	I-Algorithm
3	I-Algorithm
(	O
ISO/IEC	O
14496-3:1999	O
)	O
in	O
1999	O
.	O
</s>
<s>
As	O
part	O
of	O
the	O
MPEG-4	B-Algorithm
international	O
standard	O
,	O
SAOL	O
is	O
one	O
of	O
the	O
key	O
components	O
of	O
the	O
MPEG-4	B-Application
Structured	I-Application
Audio	I-Application
toolset	O
,	O
along	O
with	O
:	O
</s>
