<s>
DVB	B-Application
Content	O
Protection	O
&	O
Copy	O
Management	O
often	O
abbreviated	O
to	O
DVB-CPCM	B-Device
or	O
CPCM	O
is	O
a	O
digital	O
rights	O
management	O
standard	O
being	O
developed	O
by	O
the	O
DVB	B-Application
Project	I-Application
.	O
</s>
<s>
Its	O
main	O
application	O
is	O
interoperable	O
rights	O
management	O
of	O
European	O
digital	B-Application
television	I-Application
,	O
though	O
other	O
countries	O
may	O
also	O
adopt	O
the	O
standard	O
.	O
</s>
<s>
CPCM	O
can	O
distinguish	O
between	O
devices	O
inside	O
and	O
outside	O
an	O
"	O
authorized	B-Device
domain	I-Device
"	O
of	O
devices	O
.	O
</s>
<s>
The	O
authorized	B-Device
domain	I-Device
can	O
include	O
devices	O
both	O
in	O
the	O
home	O
or	O
in	O
remote	O
locations	O
such	O
as	O
cars	O
or	O
vacation	O
homes	O
.	O
</s>
<s>
CPCM	O
is	O
sometimes	O
compared	O
to	O
the	O
failed	O
U.S.	O
broadcast	B-Device
flag	I-Device
:	O
the	O
DVB	B-Application
has	O
now	O
defined	O
signals	O
within	O
the	O
DVB	B-Application
Service	O
Information	O
(	O
DVB-SI	B-Application
)	O
which	O
allow	O
a	O
free-to-air	O
broadcaster	O
to	O
signal	O
correct	O
behaviour	O
for	O
content	O
protection	O
systems	O
such	O
as	O
CPCM	O
.	O
</s>
<s>
These	O
signals	O
are	O
not	O
specific	O
to	O
use	O
with	O
CPCM	O
,	O
and	O
can	O
also	O
be	O
used	O
to	O
control	O
HDCP	B-Protocol
or	O
similar	O
systems	O
.	O
</s>
<s>
HDCP	B-Protocol
protects	O
a	O
single	O
wire	O
connection	O
,	O
typically	O
DVI	B-Protocol
or	O
HDMI	B-Protocol
.	O
</s>
<s>
CPCM	O
is	O
network	O
independent	O
and	O
can	O
be	O
used	O
on	O
LAN	O
,	O
WiFi	O
,	O
and	O
in	O
theory	O
even	O
on	O
IEEE	B-Protocol
1394	I-Protocol
FireWire	I-Protocol
links	O
.	O
</s>
<s>
DTCP-IP	O
is	O
a	O
link	O
protection	O
system	O
similar	O
to	O
HDCP	B-Protocol
,	O
but	O
operates	O
over	O
a	O
LAN	O
or	O
WLAN	O
connection	O
.	O
</s>
<s>
Both	O
HDCP	B-Protocol
and	O
DTCP-IP	O
are	O
link	O
protection	O
"	O
render	O
and	O
toss	O
"	O
technologies	O
that	O
generally	O
prohibit	O
the	O
receiving	O
device	O
from	O
recording	O
or	O
redistributing	O
the	O
content	O
.	O
</s>
<s>
The	O
full	O
technical	O
specification	O
of	O
DVB-CPCM	B-Device
is	O
now	O
published	O
by	O
the	O
DVB	B-Application
Project	I-Application
and	O
can	O
be	O
freely	O
downloaded	O
from	O
.	O
</s>
<s>
The	O
normative	O
sections	O
have	O
now	O
all	O
been	O
approved	O
for	O
publication	O
by	O
the	O
DVB	B-Application
Steering	O
Board	O
,	O
and	O
will	O
be	O
published	O
by	O
ETSI	O
as	O
a	O
formal	O
European	O
Standard	O
as	O
ETSI	O
TS	O
102	O
825-X	O
where	O
X	O
refers	O
to	O
the	O
Part	O
number	O
of	O
specification	O
.	O
</s>
