<s>
Dolby	B-Algorithm
3D	I-Algorithm
(	O
formerly	O
known	O
as	O
Dolby	B-Algorithm
3D	I-Algorithm
Digital	I-Algorithm
Cinema	I-Algorithm
)	O
is	O
a	O
marketing	O
name	O
for	O
a	O
system	O
from	O
Dolby	O
Laboratories	O
,	O
Inc	O
.	O
to	O
show	O
three-dimensional	B-Algorithm
motion	I-Algorithm
pictures	I-Algorithm
in	O
a	O
digital	O
cinema	O
.	O
</s>
<s>
Dolby	B-Algorithm
3D	I-Algorithm
uses	O
a	O
Dolby	O
Digital	O
Cinema	O
projector	O
that	O
can	O
show	O
both	O
2D	O
and	O
3D	B-Algorithm
films	I-Algorithm
.	O
</s>
<s>
In	O
this	O
way	O
,	O
one	O
projector	O
can	O
display	O
the	O
left	O
and	O
right	O
stereoscopic	B-Algorithm
images	I-Algorithm
in	O
an	O
alternating	O
cadence	O
that	O
is	O
not	O
visible	O
to	O
the	O
guest	O
.	O
</s>
<s>
This	O
method	O
of	O
stereoscopic	B-Algorithm
projection	O
is	O
called	O
wavelength	O
multiplex	O
visualization	O
,	O
and	O
was	O
created	O
by	O
Infitec	B-Algorithm
.	O
</s>
<s>
The	O
dichroic	O
filters	O
in	O
the	O
Dolby	B-Algorithm
3D	I-Algorithm
glasses	O
are	O
sometimes	O
glass	O
lenses	O
and	O
more	O
expensive	O
than	O
the	O
glasses	O
technology	O
used	O
in	O
circular	O
polarization	O
systems	O
like	O
RealD	B-Algorithm
Cinema	I-Algorithm
or	O
linear	O
polarization	O
systems	O
like	O
Digital	O
IMAX	O
and	O
are	O
not	O
considered	O
disposable	O
.	O
</s>
<s>
However	O
,	O
an	O
important	O
benefit	O
of	O
Dolby	B-Algorithm
3D	I-Algorithm
in	O
comparison	O
with	O
RealD	O
is	O
that	O
Dolby	B-Algorithm
3D	I-Algorithm
works	O
with	O
conventional	O
projection	O
screens	O
.	O
</s>
