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Location: God's Gift to Mankind for flying anything
5,921 posts, read 13,848,998 times
Reputation: 5229
Whoaa ....
Interesting info here. Especially the use of the TV Configurator provided.
Looks like Plasma is NOT good for high altitude !!!
We are at 7200 ft !
Last but not least, with a questions like the OP had, and then the first answer form a person *aptly* named "Tightwad", what else is required !!!
Kudos to Tightwad!!!
That's probably a pretty good choice. There are three things in the product description that you want to be sure of when you buy...
32***... That's a 32 inch screen. Depending on the size of your room, distance... you may want to choose larger or smaller.
1080p... resolution. 1080p is the standard and if you want high def, you want 1080p.
120Hz, the refresh rate of said TV. Historically, LCD's have been 60Hz but a year or two ago improved to 120Hz. 240 Hz is becoming prevalent, so that's a call you'll have to make. A key here is that a slower refresh will result in pixelation when something moves at high speed...
It's the difference in seeing the Qback throw the ball and a receiver... well, whatever he does. At 60Hz, you might see pixels where the football would be. At 120Hz you might see the ball flying, and 240Hz, you'll see the seams of the ball rotate.
The more action/adventure you watch, the higher refresh you want. If chick flicks is all you watch, 60 Hz will do. Tears don't move fast.
It's the difference in seeing the Qback throw the ball and a receiver... well, whatever he does. At 60Hz, you might see pixels where the football would be. At 120Hz you might see the ball flying, and 240Hz, you'll see the seams of the ball rotate.
One thing to remember is that TV is broadcast at 60Hz. This means to get to 120 Hz or 240 Hz, your TV needs to double or quadruple the amount of frames. By converting to 120 or 240 frames per second, your TV is actually creating frames that don't exist in the original signal.
The practical result of this is that how good a "120 Hz" sequence looks is entirely dependent on the algorithms and processors within the TV. There could be huge variation between TVs and brands: Some may eliminate motion blur entirely, while others may look barely better than 60Hz TVs.
I would just make sure to research the particular 120 Hz TV you're looking at to see how well it shows motion. In this case, the specs don't tell the whole story.
heres another thing i dont get with these new high def tv's: black levels.
what the heck is a black level. all of a sudden the in thing is deep black levels.
umm. isnt black, black?
what are black levels and why are they so important?
Do to the way the TV's are lit some types have trouble going fully dim and showing the color black. This is important as the overall quality of most images is greatly impacted by the ability to make the color black and prevent light bleed over from adjacent pixels.
For instance, think of a picture of the night sky. You want the sky to be as black as possible, but dotted with stars. The better the TV the better this picture will look.
In general, plasmas are the best at doing this do to their construction.
That is followed by "back-lit, locally dimming" LED's.
Regular back-lit LCD and most edge-lit LED's introduce the issue of pixel bleed, so the light from our stars bleeds out into the black or the black itself really isn't black, more of a grey.
Now, you may be saying who cares, but think about how much black you see in TV's and movies.
One thing to remember is that TV is broadcast at 60Hz. This means to get to 120 Hz or 240 Hz, your TV needs to double or quadruple the amount of frames. By converting to 120 or 240 frames per second, your TV is actually creating frames that don't exist in the original signal.
That's not completely accurate. First of all, on every TV I've seen you can shut off the image interpolation, so the TV is just repeating frames rather than interpolating them. 240Hz would display the same frame four times in a row during 1/60th of a second, rather than display the original frame for 1/4th of that time, and three interpolated frames the other 3/4ths of that period. Second, you have to distinguish between the broadcast format, and the content payload. They don't have to be the same, and just about every TV these days can recover the original format despite being broadcast in a different format. Scripted TV shows are all produced at 24Hz progressive, and the 1080i60 that NBC, CBS, and almost all the cable stations use contains that original 24Hz progressive inside the 1080i signal. These days just about any decent TV can recover that original 24Hz and then display it according to the preferences set up by the user (for instance, on a 120Hz set you could display pure 24Hz progressive at a 5:5 cadence if you're a film buff who prefers a "film-like" appearance, or interpolate 4 out of 5 frames if you like the appearance of smooth motion).
Quote:
The practical result of this is that how good a "120 Hz" sequence looks is entirely dependent on the algorithms and processors within the TV. There could be huge variation between TVs and brands: Some may eliminate motion blur entirely, while others may look barely better than 60Hz TVs.
I'd agree with that.
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