<s>
The	O
noisy	B-General_Concept
channel	I-General_Concept
model	I-General_Concept
is	O
a	O
framework	O
used	O
in	O
spell	B-Application
checkers	I-Application
,	O
</s>
<s>
question	B-Algorithm
answering	I-Algorithm
,	O
speech	B-Application
recognition	I-Application
,	O
and	O
machine	B-Application
translation	I-Application
.	O
</s>
<s>
Speech	B-Application
recognition	I-Application
can	O
be	O
thought	O
of	O
as	O
translating	O
from	O
a	O
sound-language	O
to	O
a	O
text-language	O
.	O
</s>
<s>
This	O
is	O
justified	O
in	O
the	O
practical	O
success	O
of	O
noisy-channel	O
model	O
in	O
speech	B-Application
recognition	I-Application
.	O
</s>
