<s>
In	O
the	O
DVB	B-Application
Project	I-Application
's	O
Content	B-Device
Protection	I-Device
and	I-Device
Copy	I-Device
Management	I-Device
(	O
CPCM	O
)	O
scheme	O
,	O
an	O
Authorized	B-Device
Domain	I-Device
is	O
a	O
set	O
of	O
CPCM-compliant	O
devices	O
that	O
"	O
are	O
owned	O
,	O
rented	O
or	O
otherwise	O
controlled	O
by	O
members	O
of	O
a	O
single	O
household	O
"	O
,	O
according	O
to	O
the	O
DVB	B-Application
Project	I-Application
.	O
</s>
<s>
Industry	O
observers	O
saw	O
Authorized	B-Device
Domain	I-Device
as	O
having	O
the	O
potential	O
either	O
to	O
loosen	O
or	O
to	O
tighten	O
restrictions	O
on	O
the	O
use	O
of	O
copyrighted	O
works	O
.	O
</s>
<s>
Supporters	O
of	O
Authorized	B-Device
Domain	I-Device
,	O
on	O
the	O
other	O
hand	O
,	O
said	O
it	O
is	O
neutral	O
to	O
such	O
concerns	O
,	O
because	O
it	O
does	O
n't	O
favor	O
one	O
content	O
distribution	O
business	O
model	O
over	O
another	O
.	O
</s>
