<s>
Mean	B-General_Concept
square	I-General_Concept
quantization	I-General_Concept
error	I-General_Concept
(	O
MSQE	B-General_Concept
)	O
is	O
a	O
figure	O
of	O
merit	O
for	O
the	O
process	O
of	O
analog	O
to	O
digital	O
conversion	O
.	O
</s>
<s>
The	O
quantization	O
error	O
of	O
a	O
signal	O
is	O
the	O
difference	O
between	O
the	O
original	O
continuous	O
value	O
and	O
its	O
discretization	O
,	O
and	O
the	O
mean	B-General_Concept
square	I-General_Concept
quantization	I-General_Concept
error	I-General_Concept
(	O
given	O
some	O
probability	O
distribution	O
on	O
the	O
input	O
values	O
)	O
is	O
the	O
expected	O
value	O
of	O
the	O
square	O
of	O
the	O
quantization	O
errors	O
.	O
</s>
