<s>
In	O
telecommunication	O
,	O
a	O
quasi-analog	B-Algorithm
signal	I-Algorithm
is	O
a	O
digital	O
signal	O
that	O
has	O
been	O
converted	O
to	O
a	O
form	O
suitable	O
for	O
transmission	O
over	O
a	O
specified	O
analog	O
channel	O
.	O
</s>
<s>
The	O
specification	B-Application
of	O
the	O
analog	O
channel	O
should	O
include	O
frequency	O
range	O
,	O
bandwidth	B-Algorithm
,	O
signal-to-noise	O
ratio	O
,	O
and	O
envelope	O
delay	O
distortion	O
.	O
</s>
<s>
A	O
modem	B-Application
may	O
be	O
used	O
for	O
the	O
conversion	O
process	O
.	O
</s>
