<s>
Synth1	B-Application
is	O
a	O
software	B-Application
synthesizer	I-Application
designed	O
by	O
KVR	O
user	O
Daichi	O
(	O
Real	O
name	O
:	O
Ichiro	O
Toda	O
戸田一郎	O
)	O
.	O
</s>
<s>
It	O
was	O
originally	O
designed	O
as	O
an	O
emulation	O
of	O
the	O
Nord	O
Lead	O
2	O
synthesizer	O
,	O
and	O
has	O
since	O
become	O
a	O
unique	O
Virtual	B-Application
Studio	I-Application
Technology	I-Application
instrument	O
and	O
one	O
of	O
the	O
most	O
downloaded	O
VST	B-Application
plug-ins	I-Application
of	O
all	O
time	O
.	O
</s>
<s>
Synth1	B-Application
was	O
first	O
released	O
as	O
a	O
DXi	O
plug-in	O
on	O
October	O
9	O
,	O
2002	O
.	O
</s>
<s>
Version	O
1.02	O
was	O
released	O
on	O
October	O
27	O
,	O
2002	O
,	O
and	O
dealt	O
with	O
some	O
of	O
the	O
major	O
bugs	O
that	O
arose	O
from	O
converting	O
the	O
software	O
to	O
VST	O
,	O
such	O
as	O
a	O
memory	B-Error_Name
leak	I-Error_Name
and	O
the	O
LFO	O
waveform	O
selector	O
not	O
working	O
.	O
</s>
<s>
1.05a	O
was	O
a	O
major	O
update	O
which	O
added	O
the	O
ability	O
to	O
modulate	B-Application
the	O
FM	B-Application
parameter	O
,	O
added	O
fine	O
tuning	O
to	O
the	O
VCOs	O
,	O
added	O
synchronization	O
to	O
the	O
LFOs	O
,	O
and	O
fixed	O
quality	O
issues	O
with	O
the	O
ADSR	O
envelope	O
.	O
</s>
<s>
This	O
was	O
the	O
first	O
version	O
when	O
Synth1	B-Application
became	O
noticeably	O
different	O
from	O
the	O
Nord	O
Lead	O
2	O
,	O
upon	O
which	O
it	O
was	O
based	O
.	O
</s>
<s>
Version	O
1.07	O
,	O
released	O
May	O
3	O
,	O
2006	O
,	O
added	O
new	O
parameters	O
and	O
effects	O
,	O
primarily	O
the	O
chorus/flanger	O
,	O
as	O
well	O
as	O
cleaning	O
up	O
the	O
GUI	B-Application
.	O
</s>
<s>
1.07	O
would	O
be	O
the	O
last	O
version	O
with	O
DXi	O
support	O
,	O
as	O
version	O
1.08	O
,	O
released	O
on	O
April	O
23	O
,	O
2010	O
,	O
discontinued	O
the	O
DXi	O
version	O
and	O
removed	O
the	O
now	O
unnecessary	O
installer	B-Operating_System
.	O
</s>
<s>
May	O
2010	O
would	O
contain	O
the	O
last	O
of	O
Synth1	B-Application
's	O
updates	O
for	O
Windows	O
,	O
with	O
the	O
bug-fix	O
version	O
1.10	O
released	O
on	O
the	O
fourth	O
,	O
version	O
1.11	O
on	O
the	O
ninth	O
,	O
and	O
the	O
current	O
version	O
1.12	O
on	O
the	O
twenty-third	O
of	O
that	O
month	O
.	O
</s>
<s>
Version	O
1.11	O
added	O
a	O
sub-oscillator	O
and	O
version	O
1.12	O
added	O
the	O
ability	O
to	O
read	O
sound	O
banks	O
from	O
.zip	B-General_Concept
files	I-General_Concept
.	O
</s>
<s>
The	O
last	O
update	O
,	O
version	O
1.13	O
beta	O
,	O
was	O
released	O
October	O
2	O
,	O
2011	O
,	O
and	O
allowed	O
Synth1	B-Application
to	O
function	O
on	O
Macintosh	B-Device
operating	O
systems	O
.	O
</s>
<s>
Toda	O
announced	O
on	O
October	O
28	O
,	O
2012	O
that	O
he	O
intended	O
to	O
release	O
an	O
iPhone/iPad	O
version	O
of	O
Synth	B-Application
1	I-Application
"	O
by	O
the	O
Spring	O
of	O
next	O
year	O
"	O
,	O
although	O
there	O
have	O
been	O
no	O
version	O
updates	O
or	O
blog	O
posts	O
since	O
.	O
</s>
<s>
Synth1	B-Application
is	O
a	O
digital	O
synthesizer	O
based	O
on	O
the	O
Clavia	O
Nord	O
Lead	O
2	O
which	O
is	O
also	O
a	O
digital	O
synthesizer	O
.	O
</s>
<s>
Synth1	B-Application
combines	O
the	O
common	O
sound	O
synthesis	O
method	O
of	O
subtractive	O
synthesis	O
with	O
FM	B-Application
synthesis	O
,	O
with	O
the	O
first	O
oscillator	O
having	O
a	O
parameter	O
for	O
frequency	B-Application
modulation	I-Application
.	O
</s>
<s>
The	O
LFOs	O
exist	O
outside	O
of	O
the	O
chain	O
,	O
and	O
can	O
modulate	B-Application
certain	O
parameters	O
of	O
the	O
oscillators	O
,	O
filter	O
,	O
and	O
amplifier	O
.	O
</s>
<s>
The	O
information	O
from	O
the	O
voices	O
,	O
after	O
the	O
LFO	O
modulation	B-Application
has	O
been	O
added	O
,	O
is	O
then	O
sent	O
to	O
the	O
mixer	O
.	O
</s>
<s>
From	O
the	O
mixer	O
,	O
the	O
sound	O
information	O
is	O
sent	O
through	O
the	O
equalizer	O
,	O
delay	O
,	O
and	O
chorus	O
modules	O
,	O
after	O
which	O
the	O
sound	O
data	O
is	O
output	O
to	O
be	O
turned	O
into	O
audible	O
sound	O
by	O
the	O
sound	B-Device
card	I-Device
associated	O
with	O
the	O
host	O
program	O
.	O
</s>
<s>
Three	O
oscillators	O
,	O
one	O
with	O
an	O
FM	B-Application
modulation	B-Application
,	O
one	O
with	O
ring	O
modulation	B-Application
and	O
synchronization	O
,	O
and	O
one	O
sub-oscillator	O
.	O
</s>
<s>
Synth1	B-Application
is	O
the	O
all-time	O
most	O
downloaded	O
VST	B-Application
plug-in	I-Application
on	O
KVR	O
Audio	O
,	O
and	O
was	O
ranked	O
number	O
5	O
on	O
MusicRadar	B-Application
's	I-Application
list	O
of	O
"	O
The	O
27	O
best	O
free	O
VST	B-Application
plug-ins	I-Application
in	O
the	O
world	O
today	O
"	O
.	O
</s>
