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Jumat, 24 Februari 2012

Latest in TV and Internet Technology

Because of the millions of people who are now going online to watch TV and movies, television manufacturers have developed a new kind of TV – one which combines online entertainment with the TV screen.The Internet TV is a home cinema or home theater system which can give the fantastic video and sound experience searched for by many who love cable and go online to watch their favorite shows. With this new technology that combines the TV and the internet in one, this all in one product includes a Wifi and Blue Ray Disc player which can also access the internet directly into the TV itself.In the past, well as of two or three months ago kind of past, there was a need to attach the pc to the TV to be able to watch the online TV shows and movies. 

But with this, there is no need to have that pc; this can instantly access the online TV through the broadband connection. The remote control makes everything easily accessible and there is even an on screen menu. All the user or viewer has to do is to sit back click and instantly get the movies and shows they want. There is even no need for any TV guides for the schedule of the shows; all of the shows can be accessed anytime. For those who are only interest in live streaming, there are no worries either. This new technology can get you to that favorite site where you can watch the shows streaming in so there is no need to download anything. This way you can access all there is to access from online TV websites as well as catch up with the live shows like football games and soccer.There is a plus too, the Internet TV can access You Tube and Daily Motion sites. This means that you can access any show that you want, watch any show when you want to, and still enjoy the benefit of experiencing the cinema-like ambiance. 

Movie nights or Friday nights, nothing can beat this new technology which has just made everything so much easier and easily accessible.This also means no need for the subscription of satellite TVs. This works on Broadband so the internet is fast, super fast guaranteeing that there would be no lost signal and if you need to open you laptop to work while watching TV, this is possible as well. Did we mention it also works on wifi? That means any number of computers can hook up without disrupting the signal of the TV. Now that is just one piece of a more improved technology.

The new 43 Inch LED TV Technology

It was not too long ago when deciding which TV to buy meant choosing between plasma and LCD TVs. These days, a newer technology has emerged and is gaining a strong foothold in the TV market: the 42" LED TV.LED is acronym for light emitting diodes. This is the backlighting technology in 42" LEDs responsible for their very high contrast ratios, true blacks and brighter colors-characteristics that give them an edge over standard LCD TVs. It is the technology responsible for the longer lifespan and more efficient energy use of 42" LEDs, making them better than plasma TVs.After LED, the most advanced TV technology is OLED, which stands for organic light-emitting diodes. 

OLEDs do not require a backlight to function; instead, a thin organic film is directly transferred to the surface using a simple printing mechanism. There are OLED TVs out in the market today, and they are stunningly thin and have unsurpassed picture quality. However, their prices will also cause one to do a double take. This makes OLED TVs an impractical choice for most people, even though they are first-rate in the technology department.All things considered, the top choice then becomes the 42" LEDs. These dominate in terms of picture quality, energy efficiency, lifespan and dimensions.Compared to standard LCD TVs, 42" LED TVs give better pictures overall. They have deeper blacks, higher contrast ratios and more vivid colors. They also deliver better viewing angles, and are longer-lasting.In terms of energy consumption, 42" LED TVs are the most efficient, easily beating both LCD and plasma TVs.And last but not least, what is so fascinating for many people about 42" LED TVs is how slim and light they are. Some 42" LED TVs are only an inch thin, therefore easy to handle, move around, or mount in walls.One of the best additions possible to any room in a house is a 42" LED TV. 

This can be hung on a wall because of its thin and light dimensions, or placed on a piece of furniture in the more traditional way. A 42" TV is best viewed from a distance of 5 feet to 10 feet. This is easily feasible in most rooms, including a small bedroom or a more spacious living room. However and wherever it is placed, a 42" TV is sure to provide the best viewing experience. With its perfect color contrast and saturation, it gives brilliant, accurate and vivid pictures. Also more energy-efficient, it is decidedly better than plasma and standard LCD TVs.The better picture quality of a 42" LED TV is made possible by its unique, advanced lighting technology. It uses LEDs or light emitting diodes. These are more sophisticated than the CCFLs or cold cathode fluorescent lights used in standard LCD TVs. The picture in LCD TVs suffers in the contrast department; deep and realistic blacks are absent, and color saturation is imperfect. With LED technology, these deficiencies are non-existent. The viewer always gets the perfect picture: vivid, vibrant and realistic, with stunning colors that seem to jump right out of the screen.Consumers making their first purchase of a big-screen TV sometimes find it difficult to decide. There are many types, brands and models to choose from, and considering all of these can be confusing. To simplify things, just consider a 42" LED TV. It simply has the best picture. Enough said.

The Technology and the Biology behind 3D TV

We all have memories of early 3D TV, its primitive technology seemed to induce a somewhat nauseating experience, something that the coloured spectacles only aggravated further. Nowadays new technology has been brought to bear in doing away with most of the downsides to old-fashioned 3D TV, with major electronics companies betting on the resurgence of 3D TV and working furiously to produce newer and better technology.And it seems that they are right with Hollywood having truly resurrected 3D TV, with animated movies such as 'Beowulf', 'Up' and of course the truly spectacular 'Avatar', audiences all around the world have fallen in love with the 3D experience.

We perceive the real world in three dimensions so why should we settle for just two when it comes to entertainment?So how does this new technology work? Well before understanding this we must first take a look at ourselves and consider our biological make-up. So why do we perceive the world in 3D? In truth there is one simple reason for this; because we have two eyes that are both forward-facing, (binocular vision). Our eyes are about three inches apart, as a result of this each one perceives a different image.Alternating between looking through one eye and then the other is the easiest way to experience this first-hand. Though each eye sees a similar image there are still small differences in perspective; this is referred to as parallax and is crucial for us to perceive depth. The human brain receives these two images simultaneously and combines them allowing us to perceive depth or distance. To take this one step further, consider what happens when you perceive an object that is close to your face with one eye and then the other.

The object is subject to a larger shift in perspective when it is closer to you, and when it is further away this shift is smaller. So here we can gain an insight into just how the brain perceives depth from these visual cues.There are numerous ways of creating the illusion of 3D TV, all of which rely on exploiting the way in which we perceive depth. Firstly there was colour filter 3D TV; this used colour filter glasses, each eyepiece with different coloured film. The film is composed of two overlapping images in different colour tints such that each eye is only able to view one of these two overlapping images. Secondly there were polarised glasses; this is the technology of choice when it comes to commercial 3D projectors. The polarisation of light allows us to selectively screen out light based on its polarisation by using a material called polarizing films. Later methods include active shutter glasses and autostereoscopy, which does not require glasses. Both of these methods use similar principles, shutter glasses causing each eye to see particular images, and autostereoscopy relying on special optical elements to ensure that each eye receives a different image.

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