<s>
FreeTTS	B-Language
is	O
an	O
open	O
source	O
speech	B-Application
synthesis	I-Application
system	O
written	O
entirely	O
in	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
It	O
is	O
based	O
upon	O
Flite	B-Language
.	O
</s>
<s>
FreeTTS	B-Language
is	O
an	O
implementation	O
of	O
Sun	O
's	O
Java	B-Language
Speech	I-Language
API	I-Language
.	O
</s>
<s>
FreeTTS	B-Language
supports	O
end-of-speech	O
markers	O
.	O
</s>
<s>
Gnopernicus	B-Language
uses	O
these	O
in	O
a	O
number	O
of	O
places	O
:	O
to	O
know	O
when	O
text	O
should	O
and	O
should	O
not	O
be	O
interrupted	O
,	O
to	O
better	O
concatenate	O
speech	O
,	O
and	O
to	O
sequence	O
speech	O
in	O
different	O
voices	O
.	O
</s>
<s>
Benchmarks	O
conducted	O
by	O
Sun	O
in	O
2002	O
on	O
Solaris	B-Application
showed	O
that	O
FreeTTS	B-Language
ran	O
two	O
to	O
three	O
times	O
faster	O
than	O
Flite	B-Language
at	O
the	O
time	O
.	O
</s>
