<s>
Audio	B-Architecture
Random	I-Architecture
Access	I-Architecture
(	O
commonly	O
abbreviated	O
to	O
ARA	O
)	O
is	O
an	O
extension	O
for	O
audio	B-Application
plug-in	I-Application
interfaces	O
,	O
such	O
as	O
AU	B-Operating_System
,	O
VST	B-Application
and	O
RTAS	B-Operating_System
,	O
allowing	O
them	O
to	O
exchange	O
a	O
greater	O
amount	O
of	O
audio	O
information	O
with	O
digital	B-General_Concept
audio	I-General_Concept
workstation	I-General_Concept
(	O
DAW	O
)	O
software	O
.	O
</s>
<s>
ARA	O
increases	O
the	O
amount	O
of	O
communication	O
possible	O
between	O
DAW	O
software	O
and	O
a	O
plug-in	B-Application
,	O
allowing	O
them	O
to	O
exchange	O
important	O
information	O
,	O
such	O
as	O
audio	O
data	O
,	O
tempo	O
,	O
pitch	O
,	O
and	O
rhythm	O
,	O
for	O
an	O
entire	O
song	O
,	O
rather	O
than	O
just	O
at	O
the	O
moment	O
of	O
playback	O
.	O
</s>
<s>
This	O
increased	O
amount	O
of	O
information	O
exchange	O
,	O
and	O
availability	O
of	O
data	O
from	O
other	O
points	O
in	O
time	O
,	O
removes	O
the	O
need	O
for	O
audio	O
material	O
to	O
be	O
transferred	O
to	O
&	O
from	O
the	O
plug-in	B-Application
,	O
allowing	O
that	O
plug-in	B-Application
to	O
be	O
used	O
as	O
a	O
more	O
closely	O
integrated	O
part	O
of	O
the	O
DAW	O
's	O
overall	O
interface	O
.	O
</s>
<s>
ARA	O
was	O
developed	O
as	O
a	O
joint	O
effort	O
between	O
Celemony	O
Software	O
and	O
PreSonus	O
,	O
driven	O
by	O
the	O
desire	O
to	O
increase	O
the	O
level	O
of	O
integration	O
between	O
Celemony	O
's	O
Melodyne	O
plug-in	B-Application
and	O
the	O
DAWs	O
using	O
it	O
.	O
</s>
<s>
It	O
was	O
first	O
published	O
in	O
October	O
2011	O
and	O
released	O
as	O
part	O
of	O
PreSonus	O
 '	O
Studio	B-Application
One	I-Application
DAW	O
(	O
version	O
2	O
)	O
and	O
Melodyne	O
(	O
Editor	O
,	O
Assistant	O
and	O
Essential	O
versions	O
1.3	O
)	O
.	O
</s>
<s>
Version	O
2	O
of	O
ARA	O
was	O
announced	O
during	O
NAMM	O
in	O
January	O
2018	O
,	O
introducing	O
new	O
features	O
such	O
as	O
the	O
simultaneous	O
editing	O
of	O
multiple	O
tracks	O
,	O
transfer	O
of	O
chord	O
track	O
information	O
,	O
and	O
undo	B-Application
synchronization	O
with	O
the	O
DAW	O
.	O
</s>
<s>
DAWs	O
which	O
use	O
ARA	O
version	O
2	O
are	O
not	O
automatically	O
backwards	O
compatible	O
with	O
plug-ins	B-Application
using	O
version	O
1	O
.	O
</s>
<s>
The	O
first	O
DAWs	O
to	O
support	O
ARA	O
version	O
2	O
were	O
Logic	O
Pro	O
X	O
(	O
version	O
10.4	O
,	O
released	O
in	O
January	O
2018	O
)	O
and	O
Studio	B-Application
One	I-Application
(	O
version	O
4	O
,	O
released	O
in	O
May	O
2018	O
)	O
.	O
</s>
<s>
To	O
allow	O
software	O
manufacturers	O
to	O
support	O
ARA	O
,	O
a	O
Software	B-Application
Development	I-Application
Kit	I-Application
has	O
been	O
published	O
by	O
Celemony	O
.	O
</s>
