Isaac Skor
I just want to know how it works. So say I have a 720p native display. Can it upscale it's resolution to 1080p even though it only has native 720p resolution, or does the display have to be at or greater than the resolution being upscaled (so a 720p image being upscaled to 1080p on a native 1080p display)? Hope my question makes sense. Thanks!
The main reason I ask is because I want to buy a projector, but the 720p ones are like half the cost of the 1080p ones. So I'm wondering if a 720p projector could shoot an upscaled image to 1080p. This is mostly for gaming purposes. Thanks!
Answer
No.
All HDTV's and projectors have a "native resolution".
They will all accept 480, 720 and 1080 signals - but they up/down convert the signal to their native resolution.
TRUST ME - you want a 720 projector for gaming.
It takes time and processing power to up-convert video and using a game system (which uses 720 resolution) on a 1080 display causes an effect known as Gamer Lag.
Dont believe me? Look at the tiny letters on the back of your current game disks. It says in really tiny letter: "720" on all your games.
If you want to learn more about up-scaling - there are 3 things that need to happen to do a good up-scale:
* 3:2 pull-down detection
* Line Doubling (what you think of as up-scaling)
* (... cant remember the third term)
Many televisions only do the LineDoubling part but better devices like the Oppo BluRay players do all 3 very well which is why they do a great job with up-converting DVD's.
Hope this helps.
No.
All HDTV's and projectors have a "native resolution".
They will all accept 480, 720 and 1080 signals - but they up/down convert the signal to their native resolution.
TRUST ME - you want a 720 projector for gaming.
It takes time and processing power to up-convert video and using a game system (which uses 720 resolution) on a 1080 display causes an effect known as Gamer Lag.
Dont believe me? Look at the tiny letters on the back of your current game disks. It says in really tiny letter: "720" on all your games.
If you want to learn more about up-scaling - there are 3 things that need to happen to do a good up-scale:
* 3:2 pull-down detection
* Line Doubling (what you think of as up-scaling)
* (... cant remember the third term)
Many televisions only do the LineDoubling part but better devices like the Oppo BluRay players do all 3 very well which is why they do a great job with up-converting DVD's.
Hope this helps.
Projector help! please smart answers?
Ashley
I just got a project tor from amazon i turned it on and hooked up the Yellow, red and white cables to it its hooked up to my DVR i turned it on and the sound works but it doesnt display an image there is just a white screen and a couple of vertical pinkish lines. can some one please help me, wut is the problem?
Answer
Check you have the right input selected on the projector, and that the resolution of the source device (e.g. cable box, DVD player) is compatible with the input of the projector. Both these things may require settings in the menu for the projector.
If still no picture, does the source work with a normal TV? i.e. if you plug the yellow RCA cable (composite) into a DVD player (or cable box, or whatever) and the other end into the composite input on a TV does it give you a picture? If so, and you connect to the projector (again into the composite input) AND you select the composite input on the menu for the projector, you should get an image. If you don't you may have a cable problem (unlikely) or a problem with the projector.
Check you have the right input selected on the projector, and that the resolution of the source device (e.g. cable box, DVD player) is compatible with the input of the projector. Both these things may require settings in the menu for the projector.
If still no picture, does the source work with a normal TV? i.e. if you plug the yellow RCA cable (composite) into a DVD player (or cable box, or whatever) and the other end into the composite input on a TV does it give you a picture? If so, and you connect to the projector (again into the composite input) AND you select the composite input on the menu for the projector, you should get an image. If you don't you may have a cable problem (unlikely) or a problem with the projector.
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Title Post: How does resolution upscaling work?
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Thank FOr Coming TO My Blog
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