<s>
Core	B-Operating_System
Audio	I-Operating_System
is	O
a	O
low-level	O
API	B-Application
for	O
dealing	O
with	O
sound	O
in	O
Apple	O
's	O
macOS	B-Application
and	O
iOS	B-Operating_System
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
It	O
includes	O
an	O
implementation	O
of	O
the	O
cross-platform	O
OpenAL	B-Application
.	O
</s>
<s>
Apple	O
's	O
Core	B-Operating_System
Audio	I-Operating_System
documentation	O
states	O
that	O
"	O
in	O
creating	O
this	O
new	O
architecture	O
on	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
Apple	O
's	O
objective	O
in	O
the	O
audio	O
space	O
has	O
been	O
twofold	O
.	O
</s>
<s>
The	O
primary	O
goal	O
is	O
to	O
deliver	O
a	O
high-quality	O
,	O
superior	O
audio	O
experience	O
for	O
Macintosh	B-Device
users	O
.	O
</s>
<s>
The	O
second	O
objective	O
reflects	O
a	O
shift	O
in	O
emphasis	O
from	O
developers	O
having	O
to	O
establish	O
their	O
own	O
audio	O
and	O
MIDI	O
protocols	O
in	O
their	O
applications	O
to	O
Apple	O
moving	O
ahead	O
to	O
assume	O
responsibility	O
for	O
these	O
services	O
on	O
the	O
Macintosh	B-Device
platform.	O
"	O
</s>
<s>
It	O
was	O
introduced	O
in	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
10.0	I-Operating_System
(	O
Cheetah	O
)	O
.	O
</s>
<s>
Core	B-Operating_System
Audio	I-Operating_System
supports	O
plugins	O
,	O
which	O
can	O
generate	O
,	O
receive	O
,	O
or	O
process	O
audio	O
streams	O
;	O
these	O
plugins	O
are	O
packaged	O
as	O
a	O
bundle	B-Application
with	O
the	O
extension	O
.	O
</s>
