<s>
OpenSL	B-Library
ES	I-Library
(	O
Open	O
Sound	O
Library	O
for	O
Embedded	O
Systems	O
)	O
is	O
a	O
royalty-free	O
,	O
cross-platform	B-Operating_System
,	O
hardware-accelerated	O
,	O
C-language	B-Language
audio	O
API	B-Application
for	O
2D	O
and	O
3D	B-Application
audio	I-Application
.	O
</s>
<s>
It	O
provides	O
access	O
to	O
features	O
such	O
as	O
3D	B-Application
positional	I-Application
audio	I-Application
and	O
MIDI	O
playback	O
.	O
</s>
<s>
It	O
is	O
made	O
for	O
developers	O
in	O
the	O
mobile	O
and	O
gaming	O
industry	O
and	O
is	O
working	O
toward	O
allowing	O
for	O
easy	O
porting	O
of	O
applications	O
across	O
multiple	B-Operating_System
platforms	I-Operating_System
.	O
</s>
<s>
The	O
OpenSL	B-Library
ES	I-Library
API	B-Application
has	O
five	O
major	O
features	O
:	O
</s>
<s>
The	O
features	O
of	O
Audio	O
Playback	O
and	O
Recording	O
and	O
Basic	O
MIDI	O
are	O
common	O
with	O
OpenMAX	B-Application
AL	I-Application
.	O
</s>
<s>
OpenSL	B-Library
ES	I-Library
utilizes	O
an	O
object	O
oriented	O
design	O
to	O
give	O
application	O
developers	O
access	O
to	O
the	O
audio	O
functionality	O
.	O
</s>
<s>
The	O
object	O
model	O
is	O
shared	O
with	O
OpenMAX	B-Application
AL	I-Application
,	O
and	O
a	O
device	O
manufacturer	O
can	O
choose	O
to	O
implement	O
one	O
or	O
both	O
of	O
the	O
APIs	B-Application
.	O
</s>
<s>
Together	O
the	O
two	O
APIs	B-Application
give	O
access	O
to	O
a	O
wide	O
range	O
of	O
functionality	O
of	O
the	O
device	O
's	O
multimedia	O
engine	O
.	O
</s>
<s>
To	O
avoid	O
fragmentation	O
,	O
OpenSL	B-Library
ES	I-Library
is	O
divided	O
up	O
into	O
three	O
profiles	O
:	O
</s>
<s>
An	O
application	O
can	O
query	O
the	O
OpenSL	B-Library
ES	I-Library
implementation	O
to	O
find	O
out	O
which	O
profiles	O
are	O
supported	O
.	O
</s>
<s>
OpenSL	B-Library
ES	I-Library
is	O
managed	O
by	O
the	O
non-profit	O
technology	O
consortium	B-Application
Khronos	B-Library
Group	I-Library
.	O
</s>
<s>
The	O
current	O
chair	O
of	O
the	O
OpenSL	B-Library
ES	I-Library
working	O
group	O
is	O
Erik	O
Noreke	O
.	O
</s>
<s>
Android	B-Application
2.3	O
exposes	O
OpenSL	B-Library
ES	I-Library
1.0	O
as	O
part	O
of	O
their	O
NDK	O
.	O
</s>
<s>
A	O
full	O
implementation	O
of	O
OpenSL	B-Library
ES	I-Library
1.1	O
is	O
available	O
from	O
SRS	O
Labs	O
.	O
</s>
