<s>
ReBirth	B-Application
RB-338	I-Application
is	O
a	O
software	B-Application
synthesizer	I-Application
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Mac	O
OS	O
8-9	O
and	O
iOS	B-Operating_System
for	O
the	O
iPhone	B-Device
,	O
iPod	B-Device
Touch	I-Device
and	O
iPad	B-Device
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
Propellerhead	B-Application
Software	I-Application
,	O
and	O
its	O
first	O
alpha	O
version	O
(	O
for	O
Mac	O
OS	O
)	O
was	O
publicly	O
released	O
in	O
October	O
1996	O
.	O
</s>
<s>
Propellerhead	B-Application
Software	I-Application
ceased	O
developing	O
the	O
original	O
program	O
in	O
January	O
1999	O
.	O
</s>
<s>
Support	O
for	O
desktop	B-Device
versions	O
was	O
officially	O
discontinued	O
in	O
September	O
2005	O
.	O
</s>
<s>
Shortly	O
afterward	O
,	O
the	O
ReBirth	B-Application
Museum	O
Web	O
site	O
was	O
launched	O
and	O
the	O
last	O
desktop	B-Device
version	O
's	O
(	O
2.0.1	O
)	O
disk	B-Application
image	I-Application
was	O
made	O
available	O
as	O
a	O
free	O
download	O
.	O
</s>
<s>
Propellerhead	B-Application
Software	I-Application
continues	O
to	O
develop	O
other	O
software	O
relating	O
to	O
dance-oriented	O
computer-based	O
music	O
composition	O
,	O
including	O
Reason	B-Application
,	O
its	O
flagship	O
software	B-Application
synthesizer	I-Application
,	O
as	O
well	O
as	O
portable	O
"	O
app	B-Application
"	O
versions	O
of	O
ReBirth	B-Application
.	O
</s>
<s>
ReBirth	B-Application
emulates	O
two	O
Roland	O
TB-303	O
synthesizers	O
and	O
a	O
Roland	O
TR-808	O
since	O
v1.0	O
,	O
and	O
also	O
a	O
Roland	O
TR-909	O
drum	O
machine	O
since	O
v2.0	O
.	O
</s>
<s>
This	O
feature	O
has	O
been	O
adopted	O
in	O
some	O
of	O
Reason	B-Application
's	O
devices	O
.	O
</s>
<s>
ReBirth	B-Application
also	O
features	O
mixers	O
,	O
a	O
pattern	O
controlled	O
filter	O
(	O
PCF	O
)	O
and	O
some	O
of	O
the	O
standard	O
effects	O
in	O
software	B-Application
synthesizers	I-Application
like	O
delay	O
,	O
compressor	O
and	O
distortion	O
.	O
</s>
<s>
The	O
program	O
also	O
supports	O
user	O
modifications	O
,	O
which	O
may	O
replace	O
the	O
samples	O
in	O
the	O
drum	O
machine	O
emulations	O
and	O
modify	O
the	O
GUI	B-Application
.	O
</s>
<s>
There	O
are	O
four	O
modifications	O
included	O
in	O
the	O
ReBirth	B-Application
installation	O
by	O
default	O
(	O
though	O
the	O
default	O
ReBirth	B-Application
GUI	B-Application
seems	O
to	O
count	O
as	O
a	O
modification	O
as	O
well	O
)	O
.	O
</s>
<s>
ReBirth	B-Application
was	O
an	O
early	O
software	B-Application
synthesizer	I-Application
,	O
pioneering	O
this	O
class	O
of	O
instruments	O
along	O
with	O
Cubase	B-Application
,	O
Cakewalk	B-Application
,	O
Digital	B-Operating_System
Performer	I-Operating_System
,	O
and	O
Reality	O
in	O
1997	O
,	O
with	O
a	O
low-CPU-utilization	O
,	O
leading	O
the	O
PC	O
software	O
market	O
,	O
with	O
the	O
low	O
specs	O
of	O
then	O
cutting-edge	O
computers	O
.	O
</s>
<s>
Some	O
enthusiasts	O
have	O
criticized	O
ReBirth	B-Application
's	O
software	O
emulation	O
of	O
the	O
TB-303	O
as	O
being	O
an	O
inferior	O
copy	O
of	O
the	O
genuine	O
sound	O
.	O
</s>
<s>
Such	O
criticism	O
is	O
common	O
to	O
many	O
software	B-Application
synths	I-Application
that	O
emulate	O
analog	O
synthesis	O
(	O
which	O
the	O
TB-303	O
featured	O
)	O
,	O
due	O
to	O
the	O
reputedly	O
inimitable	O
sound	O
of	O
analog	O
synthesis	O
,	O
and	O
quality	O
degraded	O
by	O
low-end	O
sound	O
cards	O
.	O
</s>
<s>
Despite	O
this	O
,	O
Roland	O
contacted	O
Propellerhead	B-Application
Software	I-Application
to	O
give	O
it	O
an	O
unofficial	O
thumbs	O
up	O
,	O
which	O
Propellerhead	B-Application
considered	O
to	O
be	O
the	O
Roland	O
seal	O
of	O
approval	O
.	O
</s>
<s>
As	O
of	O
September	O
2005	O
,	O
support	O
for	O
ReBirth	B-Application
was	O
discontinued	O
by	O
Propellerhead	B-Application
software	I-Application
,	O
and	O
the	O
software	O
became	O
available	O
online	O
as	O
a	O
free	O
download	O
until	O
2016	O
,	O
however	O
,	O
Propellerhead	B-Application
's	O
torrent	O
continues	O
to	O
be	O
working	O
.	O
</s>
<s>
In	O
April	O
2010	O
,	O
ReBirth	B-Application
was	O
re-released	O
as	O
a	O
paid	O
app	B-Application
for	O
the	O
iPhone	B-Device
and	O
iPod	B-Device
Touch	I-Device
.	O
</s>
<s>
In	O
November	O
2010	O
a	O
visually	O
revamped	O
and	O
modernized	O
version	O
was	O
made	O
available	O
on	O
the	O
iPad	B-Device
.	O
</s>
<s>
Propellerhead	B-Application
disabled	O
ReBirth	B-Application
For	O
iOS	B-Operating_System
On	O
1	O
June	O
2013	O
.	O
</s>
<s>
The	O
app	B-Application
was	O
officially	O
removed	O
from	O
the	O
App	B-Application
Store	O
on	O
15	O
June	O
2017	O
,	O
following	O
an	O
official	O
claim	O
from	O
Roland	O
of	O
intellectual	O
property	O
infringement	O
.	O
</s>
