<s>
The	O
Microsoft	B-Application
text-to-speech	I-Application
voices	I-Application
are	O
speech	B-Application
synthesizers	I-Application
provided	O
for	O
use	O
with	O
applications	O
that	O
use	O
the	O
Microsoft	B-Application
Speech	I-Application
API	I-Application
(	O
SAPI	O
)	O
or	O
the	O
Microsoft	O
Speech	O
Server	O
Platform	O
.	O
</s>
<s>
There	O
are	O
client	O
,	O
server	O
,	O
and	O
mobile	O
versions	O
of	O
Microsoft	B-Application
text-to-speech	I-Application
voices	I-Application
.	O
</s>
<s>
Microsoft	B-Application
Sam	I-Application
is	O
the	O
default	O
text-to-speech	B-Application
male	O
voice	O
in	O
Microsoft	B-Application
Windows	I-Application
2000	I-Application
and	O
Windows	B-Application
XP	I-Application
.	O
</s>
<s>
Microsoft	B-Application
Mike	I-Application
and	O
Microsoft	B-Application
Mary	I-Application
are	O
optional	O
male	O
and	O
female	O
voices	O
respectively	O
,	O
available	O
for	O
download	O
from	O
the	O
Microsoft	O
website	O
.	O
</s>
<s>
Michael	O
and	O
Michelle	O
are	O
also	O
optional	O
male	O
and	O
female	O
voices	O
licensed	O
by	O
Microsoft	O
from	O
Lernout	O
&	O
Hauspie	O
,	O
and	O
are	O
available	O
through	O
Microsoft	B-Operating_System
Office	I-Operating_System
XP	I-Operating_System
and	O
Microsoft	B-General_Concept
Office	I-General_Concept
2003	I-General_Concept
or	O
Microsoft	B-Operating_System
Reader	I-Operating_System
.	O
</s>
<s>
There	O
are	O
both	O
SAPI	B-Application
4	I-Application
and	O
SAPI	B-Application
5	I-Application
versions	O
of	O
these	O
text-to-speech	B-Application
voices	O
.	O
</s>
<s>
SAPI	B-Application
4	I-Application
voices	O
are	O
only	O
available	O
on	O
Windows	B-Application
2000	I-Application
and	O
later	O
Windows	O
NT-based	O
operating	O
systems	O
,	O
but	O
are	O
also	O
available	O
as	O
a	O
download	O
on	O
Windows	O
9x	O
operating	O
systems	O
as	O
well	O
.	O
</s>
<s>
While	O
SAPI	B-Application
5	I-Application
versions	O
of	O
Microsoft	B-Application
Mike	I-Application
and	O
Microsoft	B-Application
Mary	I-Application
are	O
downloadable	O
only	O
as	O
a	O
Merge	B-Device
Module	I-Device
,	O
the	O
installable	O
versions	O
may	O
be	O
installed	O
on	O
end	O
users	O
 '	O
systems	O
by	O
speech	O
applications	O
such	O
as	O
Microsoft	B-Operating_System
Reader	I-Operating_System
.	O
</s>
<s>
SAPI	B-Application
4	I-Application
redistributable	O
versions	O
were	O
downloadable	O
for	O
Windows	O
9x	O
,	O
although	O
they	O
are	O
no	O
longer	O
from	O
the	O
Microsoft	O
website	O
.	O
</s>
<s>
The	O
SAPI	B-Application
4	I-Application
versions	O
of	O
Microsoft	B-Application
Sam	I-Application
,	O
Microsoft	B-Application
Mike	I-Application
and	O
Microsoft	B-Application
Mary	I-Application
can	O
be	O
used	O
on	O
Windows	B-Application
XP	I-Application
,	O
Vista	B-Application
and	O
later	O
with	O
a	O
third-party	O
program	O
(	O
like	O
Speakonia	O
and	O
TTSReader	O
)	O
installed	O
on	O
the	O
machine	O
that	O
supports	O
these	O
operating	O
systems	O
;	O
however	O
,	O
the	O
speech	O
patterns	O
differed	O
from	O
the	O
SAPI	B-Application
5	I-Application
versions	O
of	O
these	O
voices	O
.	O
</s>
<s>
In	O
addition	O
,	O
LH	O
Michael	O
and	O
LH	O
Michelle	O
can	O
work	O
on	O
Windows	B-Device
7	I-Device
and	O
later	O
if	O
Speakonia	O
and	O
the	O
SAPI	B-Application
4	I-Application
version	O
of	O
the	O
voices	O
in	O
British	O
English	O
is	O
downloaded	O
.	O
</s>
<s>
Beginning	O
with	O
Windows	B-Application
Vista	I-Application
and	O
Windows	B-Device
7	I-Device
,	O
Microsoft	B-Application
Anna	I-Application
is	O
the	O
default	O
English	O
voice	O
.	O
</s>
<s>
It	O
is	O
a	O
SAPI	O
5-only	O
female	O
voice	O
and	O
is	O
designed	O
to	O
sound	O
more	O
natural	O
than	O
Microsoft	B-Application
Sam	I-Application
.	O
</s>
<s>
Microsoft	B-Application
Streets	I-Application
&	I-Application
Trips	I-Application
2006	O
and	O
later	O
install	O
the	O
Microsoft	B-Application
Anna	I-Application
voice	O
on	O
Windows	B-Application
XP	I-Application
systems	O
for	O
the	O
voice-prompt	O
direction	O
feature	O
.	O
</s>
<s>
There	O
are	O
no	O
male	O
voices	O
shipping	O
with	O
Windows	B-Application
Vista	I-Application
and	O
Windows	B-Device
7	I-Device
,	O
and	O
neither	O
Microsoft	B-Application
Mike	I-Application
or	O
Mary	O
will	O
work	O
on	O
Windows	B-Device
7	I-Device
.	O
</s>
<s>
A	O
female	O
voice	O
called	O
Microsoft	B-Application
Lili	I-Application
that	O
replaces	O
the	O
earlier	O
male	O
SAPI	B-Application
5	I-Application
voice	O
"	O
Microsoft	O
Simplified	O
Chinese	O
"	O
is	O
available	O
in	O
Chinese	O
versions	O
of	O
Windows	B-Application
Vista	I-Application
and	O
Windows	B-Device
7	I-Device
.	O
</s>
<s>
It	O
can	O
also	O
be	O
obtained	O
in	O
non-Chinese	O
versions	O
of	O
Windows	B-Device
7	I-Device
or	O
Vista	B-Application
by	O
installing	O
the	O
Chinese	O
language	O
pack	O
.	O
</s>
<s>
In	O
2010	O
,	O
Microsoft	O
released	O
the	O
newer	O
Speech	O
Platform	O
compatible	O
voices	O
for	O
Speech	O
Recognition	O
and	O
Text-to-Speech	B-Application
for	O
use	O
with	O
client	O
and	O
server	O
applications	O
.	O
</s>
<s>
Speech	O
Platform	O
voices	O
,	O
unlike	O
SAPI	B-Application
5	I-Application
voices	O
,	O
are	O
female-only	O
;	O
no	O
male	O
voices	O
were	O
ever	O
released	O
.	O
</s>
<s>
In	O
Windows	B-Application
8	I-Application
,	O
there	O
are	O
three	O
new	O
client	O
(	O
desktop	O
)	O
voices	O
-	O
Microsoft	O
David	O
(	O
US	O
male	O
)	O
,	O
Hazel	O
(	O
UK	O
female	O
)	O
and	O
Zira	O
(	O
US	O
female	O
)	O
which	O
are	O
intended	O
to	O
sound	O
more	O
natural	O
than	O
Microsoft	B-Application
Anna	I-Application
.	O
</s>
<s>
The	O
server	O
versions	O
of	O
these	O
voices	O
are	O
available	O
via	O
the	O
above-mentioned	O
Speech	O
Platform	O
for	O
operating	O
systems	O
earlier	O
than	O
Windows	B-Application
8	I-Application
.	O
</s>
<s>
Other	O
voices	O
are	O
available	O
for	O
specific	O
language	O
versions	O
of	O
either	O
Windows	B-Application
8	I-Application
or	O
Windows	B-Device
8.1	I-Device
.	O
</s>
<s>
Unlike	O
Windows	B-Device
7	I-Device
or	O
Vista	B-Application
,	O
one	O
cannot	O
use	O
any	O
third-party	O
program	O
for	O
Microsoft	B-Application
Anna	I-Application
because	O
there	O
is	O
no	O
Anna	O
Voice	O
API	O
for	O
download	O
(	O
especially	O
since	O
there	O
was	O
never	O
a	O
SAPI	B-Application
4	I-Application
version	O
of	O
Microsoft	B-Application
Anna	I-Application
)	O
.	O
</s>
<s>
In	O
Windows	B-Operating_System
10	I-Operating_System
,	O
Microsoft	O
Hazel	O
was	O
removed	O
from	O
the	O
US	O
English	O
Language	O
Pack	O
and	O
the	O
Microsoft	B-Application
voices	I-Application
for	O
Mobile	O
(	O
Phone/tablet	O
)	O
are	O
available	O
(	O
Microsoft	O
Mark	O
and	O
Microsoft	O
Zira	O
)	O
.	O
</s>
<s>
These	O
are	O
the	O
same	O
voices	O
found	O
on	O
Windows	O
Phone	O
8	O
,	O
Windows	B-Protocol
Phone	I-Protocol
8.1	I-Protocol
and	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
.	O
</s>
<s>
Also	O
with	O
these	O
voices	O
language	O
packs	O
are	O
also	O
available	O
for	O
a	O
variety	O
of	O
voices	O
similar	O
to	O
that	O
of	O
Windows	B-Application
8	I-Application
and	O
8.1	B-Device
.	O
</s>
<s>
None	O
of	O
these	O
voices	O
match	O
the	O
Cortana	B-Application
text-to-speech	B-Application
voice	O
which	O
can	O
be	O
found	O
on	O
Windows	B-Protocol
Phone	I-Protocol
8.1	I-Protocol
,	O
Windows	B-Operating_System
10	I-Operating_System
,	O
and	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
.	O
</s>
<s>
In	O
an	O
attempt	O
to	O
unify	O
its	O
software	O
with	O
Windows	B-Operating_System
10	I-Operating_System
,	O
all	O
of	O
Microsoft	O
's	O
current	O
platforms	O
use	O
the	O
same	O
text-to-speech	B-Application
voices	O
except	O
for	O
Microsoft	O
David	O
and	O
a	O
few	O
others	O
.	O
</s>
<s>
A	O
hidden	O
text-to-speech	B-Application
voice	O
in	O
Windows	B-Operating_System
10	I-Operating_System
called	O
Microsoft	O
Eva	O
Mobile	O
is	O
present	O
within	O
the	O
system	O
.	O
</s>
<s>
Microsoft	O
Eva	O
is	O
believed	O
to	O
be	O
the	O
early	O
voice	O
for	O
Cortana	B-Application
until	O
Microsoft	O
replaced	O
her	O
with	O
the	O
voice	O
of	O
Jen	O
Taylor	O
in	O
most	O
areas	O
.	O
</s>
<s>
These	O
voices	O
are	O
updated	O
with	O
Windows	O
to	O
sound	O
more	O
natural	O
than	O
in	O
the	O
original	O
version	O
as	O
seen	O
in	O
updated	O
retail	O
builds	O
of	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
In	O
Windows	B-Application
11	I-Application
,	O
it	O
introduced	O
three	O
new	O
"	O
natural	O
voices	O
"	O
starting	O
with	O
version	O
22H2	O
:	O
Microsoft	O
Aria	O
,	O
Jenny	O
,	O
and	O
Guy	O
.	O
</s>
<s>
The	O
voices	O
from	O
Windows	B-Operating_System
10	I-Operating_System
were	O
retained	O
and	O
reclassified	O
as	O
"	O
legacy	O
voices	O
"	O
,	O
however	O
David	O
was	O
still	O
used	O
as	O
the	O
default	O
for	O
the	O
desktop	O
client	O
.	O
</s>
