<s>
Coordinated	B-General_Concept
Video	I-General_Concept
Timings	I-General_Concept
(	O
CVT	O
;	O
VESA-2013-3	O
v1.2	O
)	O
is	O
a	O
standard	O
by	O
VESA	O
which	O
defines	O
the	O
timings	O
of	O
the	O
component	O
video	O
signal	O
.	O
</s>
<s>
Initially	O
intended	O
for	O
use	O
by	O
computer	B-Device
monitors	I-Device
and	O
video	B-Device
cards	I-Device
,	O
the	O
standard	O
made	O
its	O
way	O
into	O
consumer	O
televisions	O
.	O
</s>
<s>
The	O
parameters	O
defined	O
by	O
standard	O
include	O
horizontal	B-General_Concept
blanking	O
and	O
vertical	O
blanking	O
intervals	O
,	O
horizontal	B-General_Concept
frequency	I-General_Concept
and	O
vertical	O
frequency	O
(	O
collectively	O
,	O
pixel	O
clock	O
rate	O
or	O
video	O
signal	B-Algorithm
bandwidth	I-Algorithm
)	O
,	O
and	O
horizontal/vertical	O
sync	O
polarity	O
.	O
</s>
<s>
The	O
standard	O
was	O
adopted	O
in	O
2002	O
and	O
superseded	O
the	O
Generalized	B-General_Concept
Timing	I-General_Concept
Formula	I-General_Concept
.	O
</s>
<s>
CVT	O
timings	O
include	O
the	O
necessary	O
pauses	O
in	O
picture	O
data	O
(	O
known	O
as	O
"	O
blanking	O
intervals	O
"	O
)	O
to	O
allow	O
CRT	O
displays	O
to	O
reposition	O
their	O
electron	O
beam	O
at	O
the	O
end	O
of	O
each	O
horizontal	B-General_Concept
scan	O
line	O
,	O
as	O
well	O
as	O
the	O
vertical	O
repositioning	O
necessary	O
at	O
the	O
end	O
of	O
each	O
frame	O
.	O
</s>
<s>
CVT	O
also	O
specifies	O
a	O
mode	O
(	O
"	O
CVT-R	O
"	O
)	O
which	O
significantly	O
reduces	O
these	O
blanking	O
intervals	O
(	O
to	O
a	O
period	O
insufficient	O
for	O
CRT	O
displays	O
to	O
work	O
correctly	O
)	O
in	O
the	O
interests	O
of	O
saving	O
video	O
signal	B-Algorithm
bandwidth	I-Algorithm
when	O
modern	O
displays	O
such	O
as	O
LCD	B-Device
monitors	I-Device
are	O
being	O
used	O
,	O
since	O
such	O
displays	O
typically	O
do	O
not	O
require	O
these	O
pauses	O
in	O
the	O
picture	O
data	O
.	O
</s>
<s>
In	O
revision	O
1.2	O
,	O
released	O
in	O
2013	O
,	O
a	O
new	O
"	O
Reduced	O
Blanking	O
Timing	O
Version	O
2	O
"	O
mode	O
was	O
added	O
which	O
further	O
reduces	O
the	O
horizontal	B-General_Concept
blanking	O
interval	O
from	O
160	O
to	O
80	O
pixels	O
,	O
increases	O
pixel	O
clock	O
precision	O
from	O
±	O
0.25MHz	O
to	O
±	O
0.001MHz	O
,	O
and	O
adds	O
the	O
option	O
for	O
a	O
1000/1001	O
modifier	O
for	O
ATSC/NTSC	O
video-optimized	O
timing	O
modes	O
(	O
e.g.	O
</s>
<s>
+	O
Example	O
data	O
rates	O
required	O
by	O
various	O
display	B-General_Concept
resolutions	I-General_Concept
using	O
common	O
timing	O
methods	O
Video	O
Format	O
Data	O
Rate	O
(	O
Gbit/s	O
)	O
CVT	O
CVT-RB	O
CVT-RB	O
v2	O
CTA-861	O
@	O
60Hz	O
1.79	O
1.54	O
1.45	O
1.78	O
@	O
60Hz	O
4.15	O
3.33	O
3.20	O
3.56	O
@	O
60Hz	O
7.49	O
5.80	O
5.63	O
@	O
30Hz	O
8.13	O
6.31	O
6.18	O
7.13	O
@	O
60Hz	O
17.10	O
12.80	O
12.54	O
14.26	O
@	O
60Hz	O
30.64	O
22.52	O
22.18	O
@	O
30Hz	O
33.62	O
24.72	O
24.48	O
28.51	O
@	O
60Hz	O
69.42	O
50.15	O
49.65	O
57.02	O
Values	O
are	O
calculated	O
for	O
8bpc	O
RGB	O
or	O
color	O
mode.For	O
different	O
color	O
depths	O
,	O
multiply	O
results	O
by	O
1.25	O
(	O
for	O
10bpc	O
)	O
,	O
1.5	O
(	O
for	O
12bpc	O
)	O
,	O
or	O
2	O
(	O
for	O
16bpc	O
)	O
.	O
</s>
