<s>
UTAU	B-Application
is	O
a	O
Japanese	O
singing	B-Application
synthesizer	I-Application
application	O
created	O
by	O
Ameya/Ayame	O
(	O
)	O
.	O
</s>
<s>
This	O
program	O
is	O
similar	O
to	O
the	O
VOCALOID	B-Application
software	O
,	O
with	O
the	O
difference	O
being	O
it	O
is	O
shareware	B-License
instead	O
of	O
under	O
a	O
third	O
party	O
licensing	O
.	O
</s>
<s>
In	O
March	O
2008	O
,	O
Ameya/Ayame	O
released	O
UTAU	B-Application
,	O
a	O
free	O
,	O
advanced	O
support	O
tool	O
shareware	B-License
software	O
that	O
was	O
free-to-download	O
from	O
its	O
main	O
website	O
.	O
</s>
<s>
UTAU	B-Application
(	O
)	O
,	O
meaning	O
'	O
to	O
sing	O
 '	O
in	O
Japanese	O
,	O
has	O
its	O
origin	O
in	O
the	O
activity	O
of	O
,	O
where	O
people	O
edit	O
an	O
existing	O
vocal	O
track	O
,	O
extract	O
phonemes	O
,	O
adjust	O
pitch	O
,	O
and	O
reassemble	O
them	O
to	O
create	O
a	O
Vocaloid-esque	O
singing	O
voice	O
.	O
</s>
<s>
UTAU	B-Application
was	O
originally	O
created	O
to	O
assist	O
this	O
process	O
using	O
concatenative	O
synthesis	O
.	O
</s>
<s>
UTAU	B-Application
is	O
able	O
to	O
use	O
WAV	O
files	O
provided	O
by	O
the	O
user	O
,	O
so	O
that	O
a	O
singing	O
voice	O
can	O
be	O
synthesized	O
by	O
introducing	O
song	O
lyrics	O
and	O
melody	O
.	O
</s>
<s>
It	O
comes	O
with	O
AQUEST	O
's	O
voice	B-Application
synthesizer	I-Application
"	O
AquesTalk	O
"	O
for	O
synthesizing	O
the	O
voice	O
samples	O
of	O
the	O
default	O
voicebank	O
,	O
Utane	O
Uta	O
(	O
also	O
nicknamed	O
Defoko	B-Application
(	O
meaning	O
'	O
Default	O
Girl	O
 '	O
in	O
Japanese	O
)	O
)	O
on	O
UTAU	B-Application
's	O
initial	O
launch	O
,	O
after	O
which	O
the	O
generator	O
deletes	O
itself	O
.	O
</s>
<s>
Voices	O
made	O
for	O
the	O
UTAU	B-Application
program	O
are	O
officially	O
called	O
"	O
UTAU	B-Application
"	O
as	O
well	O
,	O
though	O
they	O
are	O
colloquially	O
known	O
as	O
"	O
UTAUloids	O
"	O
,	O
a	O
reference	O
to	O
VOCALOID	B-Application
.	O
</s>
<s>
UTAU	B-Application
is	O
mostly	O
a	O
Japanese	O
program	O
and	O
thus	O
many	O
of	O
its	O
voices	O
are	O
created	O
specifically	O
for	O
the	O
Japanese	O
language	O
.	O
</s>
<s>
English	O
is	O
a	O
common	O
language	O
for	O
UTAU	B-Application
to	O
sing	O
in	O
.	O
</s>
<s>
While	O
there	O
are	O
a	O
high	O
number	O
of	O
bilingual	O
UTAU	B-Application
,	O
there	O
are	O
also	O
multilingual	O
UTAU	B-Application
that	O
can	O
sing	O
in	O
three	O
or	O
more	O
languages	O
.	O
</s>
<s>
Regardless	O
of	O
the	O
voice	O
's	O
language	O
,	O
a	O
user	O
's	O
computer	O
must	O
be	O
in	O
the	O
Japanese	O
locale	O
or	O
use	O
AppLocale	B-Application
in	O
order	O
to	O
run	O
the	O
software	O
.	O
</s>
<s>
UTAU	B-Application
's	O
project	O
files	O
are	O
saved	O
under	O
the	O
""	O
(	O
Utau	B-Application
Sequence	O
Text	O
)	O
extension	O
.	O
</s>
<s>
These	O
files	O
can	O
be	O
freely	O
distributed	O
,	O
allowing	O
different	O
UTAU	B-Application
to	O
sing	O
the	O
same	O
piece	O
.	O
</s>
<s>
UTAU	B-Application
also	O
supports	O
MIDI	O
format	O
and	O
format	O
.	O
</s>
<s>
Ameya/Ayame	O
added	O
support	O
for	O
Unicode	O
in	O
an	O
unreleased	O
newer	O
version	O
of	O
UTAU	B-Application
as	O
per	O
the	O
screenshots	O
posted	O
on	O
Twitter	O
.	O
</s>
<s>
Ameya	O
also	O
updated	O
UTAU	B-Application
to	O
be	O
compatible	O
with	O
64-bit	O
systems	O
.	O
</s>
<s>
Only	O
one	O
track	O
can	O
be	O
created	O
in	O
UTAU	B-Application
,	O
and	O
notes	O
cannot	O
be	O
placed	O
on	O
top	O
of	O
each	O
other	O
.	O
</s>
<s>
UTAU	B-Application
uses	O
flags	O
to	O
change	O
aspects	O
of	O
the	O
voice	O
,	O
such	O
as	O
with	O
low-pass	O
and	O
high-pass	O
filters	O
,	O
and	O
reducing	O
or	O
adding	O
breathiness	O
.	O
</s>
<s>
UTAU	B-Application
uses	O
formant	O
filters	O
to	O
prevent	O
extreme	O
changes	O
in	O
voice	O
quality	O
,	O
which	O
can	O
be	O
disabled	O
.	O
</s>
<s>
Batch	B-General_Concept
processing	I-General_Concept
is	O
used	O
to	O
generate	O
multiple	O
notes	O
at	O
once	O
.	O
</s>
<s>
There	O
are	O
built-in	O
plugins	B-Application
which	O
can	O
automatically	O
merge	O
vowels	O
,	O
and	O
the	O
"	O
Omakase/A	O
la	O
carte	O
"	O
settings	O
which	O
can	O
add	O
automatic	O
pitch	O
and	O
vibrato	O
to	O
an	O
entire	O
file	O
.	O
</s>
<s>
Other	O
plugins	B-Application
created	O
by	O
users	O
can	O
be	O
added	O
into	O
the	O
software	O
,	O
which	O
perform	O
various	O
functions	O
.	O
</s>
<s>
As	O
mentioned	O
above	O
,	O
WAV	O
files	O
can	O
be	O
ported	O
into	O
UTAU	B-Application
.	O
</s>
<s>
Voices	O
are	O
installed	O
by	O
either	O
placing	O
them	O
in	O
the	O
"	O
voice	O
"	O
folder	O
or	O
dragging	O
and	O
dropping	O
them	O
onto	O
the	O
UTAU	B-Application
icon	O
.	O
</s>
<s>
files	O
can	O
be	O
created	O
using	O
UTAU	B-Application
's	O
GUI	O
,	O
or	O
in	O
third-party	O
software	O
made	O
by	O
users	O
,	O
the	O
most	O
notable	O
of	O
these	O
third	O
party	O
programs	O
being	O
SetParam	O
.	O
</s>
<s>
The	O
voices	O
may	O
also	O
come	O
with	O
image	O
files	O
most	O
commonly	O
being	O
the	O
.bmp	O
format	O
and	O
standalone	O
voice	O
dialogues	O
as	O
some	O
Vocaloids	B-Application
do	O
.	O
</s>
<s>
Later	O
UTAU	B-Application
voices	O
would	O
include	O
phonemes	O
composed	O
of	O
vowels+consonants	O
(	O
VC	O
)	O
to	O
accommodate	O
languages	O
other	O
than	O
Japanese	O
.	O
</s>
<s>
The	O
development	O
of	O
UTAU	B-Application
started	O
when	O
Ameya	O
began	O
to	O
use	O
Audacity	B-Language
to	O
recombine	O
samples	O
of	O
other	O
singers	O
,	O
and	O
Melodyne	O
to	O
pitch	O
correct	O
the	O
samples	O
and	O
set	O
them	O
to	O
music	O
.	O
</s>
<s>
The	O
act	O
of	O
doing	O
this	O
was	O
referred	O
to	O
as	O
"	O
human-powered	O
VOCALOID	B-Application
"	O
.	O
</s>
<s>
LOLI.COM	O
,	O
a	O
musician	O
who	O
posted	O
his	O
own	O
rap	O
music	O
to	O
Nico	O
Nico	O
Douga	O
,	O
used	O
his	O
own	O
voice	O
for	O
human-powered	O
Vocaloid	B-Application
and	O
released	O
an	O
audio	O
editing	O
software	O
which	O
could	O
help	O
users	O
do	O
the	O
same	O
.	O
</s>
<s>
Since	O
the	O
process	O
of	O
doing	O
"	O
human-powered	O
VOCALOID	B-Application
"	O
by	O
hand	O
took	O
a	O
substantial	O
amount	O
of	O
time	O
and	O
effort	O
,	O
Ameya	O
began	O
to	O
develop	O
a	O
new	O
tool	O
which	O
would	O
aid	O
the	O
process	O
.	O
</s>
<s>
On	O
5	O
March	O
2008	O
,	O
a	O
video	O
explaining	O
the	O
program	O
's	O
specifications	O
was	O
released	O
on	O
Nico	O
Nico	O
Douga	O
,	O
and	O
on	O
15	O
March	O
2008	O
,	O
the	O
tool	O
was	O
renamed	O
UTAU	B-Application
.	O
</s>
<s>
The	O
creator	O
was	O
a	O
programmer	B-Application
by	O
trade	O
and	O
not	O
a	O
specialist	O
in	O
vocal	O
synthesis	O
,	O
but	O
used	O
previous	O
knowledge	O
to	O
create	O
UTAU	B-Application
.	O
</s>
<s>
After	O
its	O
release	O
,	O
Ameya	O
continued	O
to	O
improve	O
UTAU	B-Application
,	O
and	O
started	O
developing	O
it	O
in	O
collaboration	O
with	O
other	O
text-to-speech	B-Application
developers	B-Application
.	O
</s>
<s>
In	O
June	O
2008	O
,	O
Ameya	O
rejected	O
the	O
label	O
of	O
for	O
UTAU	B-Application
,	O
calling	O
it	O
singing	O
voice	B-Application
synthesis	I-Application
software	O
instead	O
.	O
</s>
<s>
Since	O
UTAU	B-Application
can	O
create	O
a	O
singing	O
voice	O
using	O
any	O
WAV	O
files	O
,	O
it	O
is	O
possible	O
to	O
take	O
the	O
voice	O
of	O
an	O
existing	O
person	O
and	O
use	O
it	O
as	O
data	O
.	O
</s>
<s>
Often	O
,	O
actors	O
,	O
singers	O
,	O
and	O
celebrities	O
will	O
have	O
clips	O
of	O
their	O
voices	O
re-purposed	O
for	O
use	O
in	O
UTAU	B-Application
.	O
</s>
<s>
Though	O
the	O
software	O
is	O
very	O
popular	O
in	O
Japan	O
,	O
its	O
origins	O
and	O
cultural	O
impact	O
are	O
owed	O
to	O
the	O
already	O
established	O
popularity	O
of	O
the	O
Vocaloid	B-Application
software	O
.	O
</s>
<s>
UTAU	B-Application
itself	O
was	O
first	O
made	O
famous	O
when	O
the	O
creator	O
of	O
Kasane	O
Teto	O
released	O
the	O
character	O
posing	O
as	O
a	O
Vocaloid	B-Application
character	O
as	O
part	O
of	O
an	O
April	O
Fool	O
's	O
joke	O
in	O
2008	O
.	O
</s>
<s>
The	O
influence	O
of	O
the	O
Vocaloid	B-Application
software	O
also	O
led	O
to	O
both	O
programs	O
commonly	O
being	O
used	O
side	O
by	O
side	O
.	O
</s>
<s>
Often	O
popular	O
UTAU	B-Application
mascots	O
like	O
Kasane	O
Teto	O
appear	O
in	O
VOCALOID-based	O
media	O
such	O
as	O
Maker	O
Hikōshiki	O
Hatsune	O
Mix	O
or	O
Hatsune	B-Application
Miku	I-Application
:	I-Application
Project	I-Application
DIVA	I-Application
.	O
</s>
<s>
Later	O
,	O
the	O
UTAU	B-Application
software	O
would	O
have	O
its	O
own	O
impact	O
on	O
Vocaloid	B-Application
and	O
other	O
vocal	O
synthesizers	O
,	O
with	O
a	O
number	O
of	O
vocals	O
either	O
referencing	O
UTAU	B-Application
or	O
being	O
produced	O
for	O
the	O
engine	O
to	O
begin	O
with	O
.	O
</s>
<s>
For	O
example	O
,	O
Megurine	O
Luka	O
V4x	O
was	O
influenced	O
by	O
the	O
UTAU	B-Application
vocal	O
Gahata	O
Meiji	O
.	O
</s>
<s>
Wat	O
from	O
Crypton	O
Future	O
Media	O
also	O
spoke	O
to	O
someone	O
very	O
familiar	O
with	O
UTAU	B-Application
and	O
said	O
that	O
the	O
conversation	O
was	O
"	O
very	O
interesting	O
"	O
.	O
</s>
<s>
Macne	O
Nana	O
of	O
the	O
Macne	B-Application
series	I-Application
later	O
would	O
become	O
both	O
a	O
UTAU	B-Application
voice	O
and	O
a	O
Vocaloid	B-Application
voice	O
.	O
</s>
<s>
The	O
voice	O
provider	O
of	O
English	O
Vocaloid	B-Application
Ruby	O
,	O
Misha	O
,	O
had	O
previously	O
produced	O
a	O
Japanese-language	O
UTAU	B-Application
named	O
Makune	O
Hachi	O
(	O
)	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
vocalist	O
for	O
Dex	O
,	O
Kenji-B	O
,	O
created	O
for	O
UTAU	B-Application
,	O
and	O
AkiGlancy	O
,	O
the	O
vocalist	O
behind	O
Dex	O
's	O
partner	O
Daina	O
,	O
gave	O
her	O
voice	O
to	O
the	O
UTAU	B-Application
.	O
</s>
<s>
Kikuko	O
Inoue	O
,	O
the	O
voice	O
actress	O
of	O
Macne	O
Coco	O
White	O
and	O
Black	O
(	O
)	O
(	O
see	O
Macne	B-Application
series	I-Application
)	O
went	O
on	O
to	O
voice	O
a	O
Vocaloid5	O
product	O
by	O
the	O
name	O
of	O
Haruno	O
Sora	O
(	O
)	O
.	O
</s>
<s>
After	O
the	O
release	O
of	O
Vocaloid	B-Application
3	I-Application
vocal	O
Tohoku	O
Zunko	O
,	O
her	O
two	O
sisters	O
Tohoku	O
Itako	O
and	O
Tohoku	O
Kiritan	O
received	O
UTAU	B-Application
vocals	O
.	O
</s>
<s>
Kiritan	O
would	O
later	O
hold	O
a	O
crowdfunding	O
campaign	O
for	O
her	O
to	O
become	O
a	O
Voiceroid	B-Application
.	O
</s>
<s>
As	O
well	O
as	O
its	O
influence	O
on	O
Vocaloid	B-Application
,	O
UTAU	B-Application
has	O
served	O
as	O
a	O
development	O
launchpad	O
for	O
other	O
commercial	O
singing	O
voice	B-Application
synthesizers	I-Application
.	O
</s>
<s>
The	O
most	O
notable	O
of	O
these	O
is	O
Dreamtonics	O
 '	O
Synthesizer	O
V	O
,	O
which	O
sprung	O
from	O
the	O
development	O
of	O
the	O
UTAU	B-Application
resampler	O
known	O
as	O
Moresampler	O
,	O
both	O
of	O
which	O
were	O
developed	O
by	O
Kanru	O
Hua	O
.	O
</s>
<s>
UTAU	B-Application
owes	O
its	O
growing	O
popularity	O
to	O
its	O
ability	O
to	O
provide	O
a	O
free	O
method	O
of	O
creating	O
voices	O
for	O
music	O
use	O
and	O
has	O
established	O
numerous	O
music	O
producers	O
working	O
with	O
the	O
software	O
on	O
sites	O
such	O
as	O
Nico	O
Nico	O
Douga	O
and	O
YouTube	B-General_Concept
.	I-General_Concept
</s>
<s>
Users	O
also	O
see	O
it	O
as	O
an	O
alternative	O
to	O
the	O
Vocaloid	B-Application
software	O
,	O
which	O
only	O
offers	O
a	O
more	O
limited	O
supply	O
of	O
voices	O
at	O
a	O
high	O
price	O
and	O
may	O
not	O
offer	O
the	O
voice	O
types	O
they	O
are	O
seeking	O
for	O
music	O
,	O
as	O
the	O
large	O
database	O
of	O
voices	O
often	O
has	O
a	O
much	O
greater	O
chance	O
of	O
offering	O
the	O
voice	O
they	O
seek	O
.	O
</s>
<s>
However	O
,	O
despite	O
the	O
number	O
of	O
voicebanks	O
offered	O
,	O
the	O
software	O
has	O
overall	O
far	O
fewer	O
producers	O
working	O
with	O
it	O
than	O
Vocaloid	B-Application
.	O
</s>
<s>
A	O
radio	O
station	O
set	O
up	O
a	O
1-hour	O
program	O
containing	O
nothing	O
but	O
Vocaloid	B-Application
and	O
UTAU-based	O
music	O
.	O
</s>
<s>
In	O
addition	O
,	O
an	O
event	O
called	O
The	O
UTAU	B-Application
M	O
@STER	O
was	O
held	O
regularly	O
from	O
19	O
July	O
2012	O
onwards	O
.	O
</s>
<s>
The	O
event	O
was	O
the	O
main	O
gathering	O
of	O
groups	O
or	O
circles	O
and	O
was	O
held	O
in	O
a	O
similar	O
fashion	O
to	O
the	O
Vocaloid-related	O
event	O
,	O
THE	O
VOC	O
@LOID	O
M	O
@STER	O
,	O
which	O
had	O
existed	O
since	O
2007	O
.	O
</s>
<s>
Unlike	O
Vocaloid	B-Application
,	O
UTAU	B-Application
files	O
are	O
not	O
restrictive	O
as	O
it	O
is	O
not	O
a	O
proprietary	O
based	O
license	O
.	O
</s>
<s>
Therefore	O
,	O
it	O
is	O
possible	O
to	O
use	O
open-source	O
license	O
products	O
with	O
the	O
UTAU	B-Application
software	O
,	O
such	O
as	O
those	O
produced	O
for	O
the	O
,	O
released	O
for	O
the	O
programs	O
Reason	B-Application
4	I-Application
and	O
GarageBand	B-Application
.	O
</s>
<s>
These	O
products	O
were	O
sold	O
by	O
Act2	O
and	O
by	O
converting	O
their	O
file	O
format	O
,	O
were	O
able	O
to	O
also	O
work	O
with	O
the	O
UTAU	B-Application
program	O
.	O
</s>
<s>
Later	O
,	O
the	O
Macne	O
packages	O
Whisper	O
☆	O
Angel	O
Sasayaki	O
,	O
Macne	O
Nana	O
2S	O
and	O
Macne	O
Petit	O
2S	O
came	O
with	O
pre-built	O
UTAU	B-Application
voicebanks	O
.	O
</s>
<s>
The	O
default	O
voicebank	O
"	O
Defoko	B-Application
"	O
(	O
Utane	O
Uta	O
)	O
borrows	O
her	O
voice	O
from	O
the	O
software	O
AquesTalk	O
,	O
specifically	O
the	O
voice	O
"	O
AquesTalk	O
Female-1	O
"	O
produced	O
by	O
A-quest	O
.	O
</s>
<s>
Namine	O
Ritsu	O
(	O
)	O
,	O
a	O
vocal	O
originally	O
built	O
for	O
UTAU	B-Application
,	O
also	O
was	O
later	O
added	O
to	O
another	O
piece	O
of	O
software	O
called	O
Sinsy	B-Application
as	O
Namine	O
Ritsu	O
S	O
.	O
Another	O
vocal	O
originally	O
developed	O
for	O
the	O
UTAU	B-Application
software	O
,	O
Yamine	O
Renri	O
(	O
)	O
,	O
was	O
also	O
later	O
added	O
to	O
Synthesizer	O
V	O
.	O
The	O
popular	O
UTAU	B-Application
character	O
Kasane	O
Teto	O
is	O
scheduled	O
to	O
be	O
released	O
as	O
a	O
Synthesizer	O
V	O
AI	O
voice	O
database	O
on	O
April	O
27	O
,	O
2023	O
.	O
</s>
<s>
Due	O
to	O
the	O
software	O
's	O
own	O
copyright	O
agreement	O
,	O
non-open	O
license	O
software	O
such	O
as	O
VOCALOID	B-Application
are	O
not	O
permitted	O
to	O
be	O
imported	O
into	O
the	O
UTAU	B-Application
software	O
.	O
</s>
<s>
A	O
number	O
of	O
plug-ins	B-Application
for	O
the	O
software	O
have	O
also	O
been	O
developed	O
by	O
users	O
of	O
the	O
software	O
which	O
add	O
and	O
enhance	O
the	O
vocals	O
of	O
the	O
software	O
.	O
</s>
<s>
The	O
software	O
program	O
Sugarcape	O
,	O
based	O
on	O
the	O
same	O
freeware	O
intention	O
as	O
UTAU	B-Application
,	O
has	O
already	O
entered	O
beta	O
stage	O
.	O
</s>
<s>
There	O
was	O
an	O
official	O
Mac	O
version	O
of	O
UTAU	B-Application
released	O
on	O
May	O
27	O
,	O
2011	O
,	O
named	O
UTAU-Synth	O
.	O
</s>
<s>
UTAU-Synth	O
version	O
can	O
import	O
both	O
voices	O
and	O
songs	O
made	O
with	O
the	O
Windows	O
version	O
,	O
but	O
its	O
project	O
files	O
and	O
voicebank	O
configurations	O
are	O
not	O
fully	O
compatible	O
with	O
the	O
Windows	O
version	O
.	O
</s>
<s>
In	O
late	O
2017	O
it	O
was	O
mentioned	O
that	O
Plogue	O
Art	O
et	O
Technologie	O
,	O
Inc	O
.	O
had	O
a	O
working	O
redirect	O
adaptation	O
that	O
would	O
make	O
UTAU	B-Application
vocals	O
appear	O
in	O
its	O
engine	O
Alter/Ego	B-Application
.	O
</s>
<s>
OpenUTAU	O
is	O
an	O
open-source	O
unofficial	O
successor	O
to	O
UTAU	B-Application
developed	O
by	O
Vocaloid	B-Application
producer	O
StAkira	O
,	O
with	O
a	O
beta	O
released	O
in	O
November	O
2021	O
.	O
</s>
<s>
The	O
software	O
was	O
designed	O
to	O
be	O
compatible	O
with	O
UTAU	B-Application
but	O
with	O
a	O
modern	O
user	O
experience	O
.	O
</s>
<s>
Unlike	O
UTAU	B-Application
,	O
it	O
does	O
not	O
require	O
a	O
Japanese	O
system	O
locale	O
to	O
function	O
properly	O
.	O
</s>
<s>
This	O
is	O
the	O
first	O
licensed	O
release	O
of	O
any	O
UTAU	B-Application
.	O
</s>
<s>
The	O
voice	O
library	O
Momo	O
Momone	O
is	O
used	O
in	O
the	O
viral	O
YouTube	B-General_Concept
video	I-General_Concept
"	O
Nyan	O
Cat	O
"	O
.	O
</s>
<s>
"	O
,	O
a	O
song	O
originally	O
composed	O
by	O
and	O
using	O
the	O
VOCALOID	B-Application
Hatsune	O
Miku	O
.	O
</s>
