<s>
Digital	B-Protocol
circuit	I-Protocol
multiplication	I-Protocol
equipment	I-Protocol
(	O
DCME	B-Protocol
)	O
was	O
a	O
type	O
of	O
voice	B-Application
compression	I-Application
equipment	O
that	O
is	O
installed	O
at	O
both	O
ends	O
of	O
a	O
long-distance	O
telecommunication	O
link	O
,	O
typically	O
a	O
link	O
via	O
communications	O
satellite	O
or	O
submarine	O
communications	O
cable	O
.	O
</s>
<s>
The	O
main	O
characteristics	O
of	O
DCME	B-Protocol
are	O
defined	O
in	O
ITU-T	O
recommendation	O
G.763	O
.	O
</s>
<s>
DCME	B-Protocol
consists	O
of	O
a	O
time-assignment	B-Protocol
speech	I-Protocol
interpolation	I-Protocol
(	O
TASI	O
)	O
voice	O
interpolation	O
stage	O
,	O
which	O
is	O
a	O
form	O
of	O
statistical	O
multiplexor	O
applied	O
to	O
voiceband	O
signals	O
,	O
and	O
a	O
low	O
rate	O
encoding	O
stage	O
which	O
exploits	O
correlation	O
between	O
successive	O
voiceband	O
samples	O
on	O
an	O
individual	O
input	O
channel	O
to	O
reduce	O
the	O
transmitted	O
bitrate	O
from	O
that	O
required	O
by	O
PCM	B-Algorithm
of	O
equivalent	O
quality	O
.	O
</s>
<s>
To	O
combat	O
this	O
DCME	B-Protocol
may	O
incorporate	O
Dynamic	O
Load	O
Control	O
on	O
a	O
range	O
of	O
input	O
channels	O
.	O
</s>
<s>
The	O
DCME	B-Protocol
's	O
functionality	O
,	O
from	O
the	O
point	O
of	O
view	O
of	O
the	O
telephone	O
switch	O
attached	O
to	O
its	O
local	O
interface	O
,	O
is	O
standardised	O
by	O
ITU-T	B-Protocol
Recommendation	I-Protocol
Q.50	I-Protocol
.	O
</s>
