HDTV
HDTV
HDTV
Uitzend |
Resolutie |
Megapixels |
Opmerking |
720i |
1280x720 |
0,9 |
Interlaced |
720p |
1280x720 |
0,9 |
Progressief |
1080i |
1920x1080 |
2 |
Interlaced |
1080p |
1920x1080 |
2 |
Progressief |
Een DVD die je afspeelt heeft meestal een resolutie van 720x576
For old TV (4:3) the resolution is 768x576
HD (16:9) resolution begins at:1280x720
720p (1280x720)
1080i (1920x1080)
1080p (1920x1080) television transmission in this format are not for now
Progressive or Interlaced
For interlaced the odd and even lines are refreshed alternatively
For progressive scan all lines at once are refreshed
Label "HD ready" Logo
must be conform to the next three points:
è Min 720 Horizontal lines and 720p and 1080i at 50 and 60 Hz
è Anolog component Input like Y/PB/PR
è dvi and/or hdmi Input
with hcdp protection
Loss of 48 Lines
The most screens That are used have resolution of :
1366X768 pixels (this because production cost is less)
The 48 lines who are to much are not used .
DVI / HDMI / HDCP
DVI = Digital Visual Interface
(also used with graphic cards and Monotors)
HDMI = High Definition Multimedia Interface
difference with DVI is that HDMI has also audio transport
DVI and HDMI are with the help of an adapter compatible
HDCP = High Definition digital content protection
(Its a copy protection; ilegal copy is played in lower resolution)
TRUE-HD and HD-Ready Not always a HD-TV !
sometimes we speek about HD-Ready if there is no 1080 lines possible but a LCD-tv with reolution of 1080i and who hold the label true-HD is neither a HD-TV if he has no tuner who can receive hdtv emissions