<s>
Transition-minimized	B-Protocol
differential	I-Protocol
signaling	I-Protocol
(	O
TMDS	B-Protocol
)	O
,	O
a	O
technology	O
for	O
transmitting	O
high-speed	O
serial	O
data	O
,	O
is	O
used	O
by	O
the	O
DVI	B-Protocol
and	O
HDMI	B-Protocol
video	O
interfaces	O
,	O
as	O
well	O
as	O
by	O
other	O
digital	O
communication	O
interfaces	O
.	O
</s>
<s>
The	O
method	O
is	O
a	O
form	O
of	O
8b/10b	B-Protocol
encoding	I-Protocol
but	O
using	O
a	O
code-set	O
that	O
differs	O
from	O
the	O
original	O
IBM	O
form	O
.	O
</s>
<s>
The	O
10-bit	O
TMDS	B-Protocol
symbol	O
can	O
represent	O
either	O
an	O
8-bit	O
data	O
value	O
during	O
normal	O
data	O
transmission	O
,	O
or	O
2	O
bits	O
of	O
control	O
signals	O
during	O
screen	O
blanking	O
.	O
</s>
<s>
2	O
combinations	O
are	O
used	O
as	O
a	O
guard	O
band	O
before	O
HDMI	B-Protocol
data	O
,	O
</s>
<s>
On	O
the	O
other	O
channels	O
they	O
encode	O
the	O
CTL0	O
through	O
CTL3	O
signals	O
which	O
are	O
unused	O
by	O
DVI	B-Protocol
but	O
in	O
the	O
case	O
of	O
HDMI	B-Protocol
are	O
used	O
as	O
a	O
preamble	O
indicating	O
the	O
type	O
of	O
data	O
about	O
to	O
be	O
transferred	O
(	O
Video	O
Data	O
or	O
Data	O
Island	O
)	O
,	O
the	O
HDCP	B-Protocol
status	O
and	O
so	O
on	O
.	O
</s>
<s>
TMDS	B-Protocol
was	O
developed	O
by	O
Silicon	O
Image	O
Inc	O
.	O
as	O
a	O
member	O
of	O
the	O
Digital	O
Display	O
Working	O
Group	O
.	O
</s>
<s>
TMDS	B-Protocol
is	O
similar	O
to	O
low-voltage	B-Architecture
differential	I-Architecture
signaling	I-Architecture
(	O
LVDS	B-Architecture
)	O
in	O
that	O
it	O
uses	O
differential	O
signaling	O
to	O
reduce	O
electromagnetic	O
interference	O
(	O
EMI	O
)	O
which	O
allows	O
faster	O
signal	O
transfers	O
with	O
increased	O
accuracy	O
.	O
</s>
<s>
TMDS	B-Protocol
also	O
uses	O
a	O
twisted	O
pair	O
for	O
noise	O
reduction	O
,	O
rather	O
than	O
coaxial	O
cable	O
that	O
is	O
conventional	O
for	O
carrying	O
video	O
signals	O
.	O
</s>
<s>
Like	O
LVDS	B-Architecture
,	O
the	O
data	O
is	O
transmitted	O
serially	O
over	O
the	O
data	O
link	O
.	O
</s>
<s>
When	O
transmitting	O
video	O
data	O
and	O
used	O
in	O
HDMI	B-Protocol
,	O
three	O
TMDS	B-Protocol
twisted	O
pairs	O
are	O
used	O
to	O
transfer	O
video	O
data	O
.	O
</s>
<s>
The	O
physical	O
layer	O
for	O
TMDS	B-Protocol
is	O
current	B-General_Concept
mode	I-General_Concept
logic	I-General_Concept
(	O
CML	O
)	O
,	O
DC	O
coupled	O
and	O
terminated	O
to	O
3.3	O
Volts	O
.	O
</s>
<s>
TMDS	B-Protocol
can	O
be	O
switched	O
or	O
repeated	O
by	O
any	O
method	O
applicable	O
to	O
CML	O
signals	O
.	O
</s>
