Video Standards
CCIR Timing Diagram
line time reference point
{ rise times line blank 0.3 ± 0.1µs
(10% - 90%) line sync. 0.25 ± 0.05µs
line period H = 64µs
line sync. 4.7µs
back porch 5.8µs
front porch 1.5µs
peak white level
2.3v
0.9v black &
blanking level
0.3v sync. level
CCIR composite video signal - line level timing
field 0
2.5H
frame start
field 1
2.5H
2.5H
field 1
2.5H
26H
field 2
2.5H
2.5H
25H
CCIR composite video signal - field level timing
09/04/97
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