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Samsung introducing the first 3D Tv .Check out this video for the review

Today the latest in Television is 3D TV, the first manufacturers to take it big is Samsung as they designed a 3D LED TV which gave the customers twice as many features as a normal LED or LCD did. That is exactly why this technology has been attracting so many people. The basis for any product to make a profit is that it has to be unique and should provide a service that you used to only dream about. Even the advertisements shown by the companies selling this 3D TV clearly states that now it’s time to live your dreams by watching them in reality. Let us discuss about the brains behind this technology and what made it affordable for the upper middle class in short, the technology used in 3D TV.

In recent time’s companies like major animation production companies or any other production house, while they’re releasing a movie, they make sure that the 3D version is the main priority. The reason because most of the theatres and cinemas have converted themselves into a 3D movie theatre which enables production houses to hold up a bigger market share than they usually would by releasing the movie in 2D. Now let us see the three primary methods that are used in the making of a 3D TV:

Lenticular Viewing: Till date is the only company that exports the components to other companies who want to make a 3D TV. With the use of this technology you will no longer need those 3D glasses at home. This technology enables the TV to send a different image to each eye thus emulating the use of stereopsis. However the downside of this technology is that one has to sit in a particular spot right in front of the TV to get a clear image.

Passive Glass systems: A Japanese company was the only company which has developed this method. It involves the usage of 3D glasses for the viewing of 3D Movies, televisions, music videos and games. This is not the latest technology but it gave rise to better ideas, it consists of two overlapping images and the glasses used in the TV have polarized lenses. Due to which if you wear the 3D glasses you can only see one of the two images and when you remove them you will see a 2D image.

Active glass systems: This method is very similar to passive glass systems but the only difference here is that instrument performing the task has changed from the TV to the 3D glasses. The glasses have been built in such a way that they can synchronize the refresh rate according to the technology used in 3D TV, thus giving an option to the viewer to switch from 2D to 3D images at just a click of a button. It being developed by big brand names in the television industry, the glasses, on an average, are said to cost somewhere around $100 each.

While the 3D technology was being developed for movies, there were people working in television companies busy trying to develop newer forms of technologies like LCD, LED and Plasma, and then came a steep turn and an option whether to select a technology that was just being used in movies till today. That technology was 3D and the television industry sort of took a big risk by getting into this new field of electronics. Something that has never been tried before, and how did they make it possible? Hence, one needs to know more about the standardization efforts in 3D TV.

The word standardization means the process by which a business develops and agrees’s upon some technical standards. Since TV was not the place where the 3D was meant to be, they were certainly not the developers of this technology; there were some standards which had to be met. The Television companies couldn’t exploit this new technology to an extent that it causes friction between two of the biggest industries in the market which are the Cable TV and the Movies. Some rules had to be followed by which these companies can go about their business of using this new technology.

It is also done so that both the industries continue making profit that is why it was decided that the Society of Motion Picture & Television engineers would be the one who would lead this standardization process. The work started by basically changing the format of Home Theatre making it suitable to 3D image viewing. In order for this to work the video content that was created, the AV equipment, viewing glasses required for the 3D TV’s everything was standardized to suit the Home Theatre. Then they took a leap forward by experimenting with 3D broadcasting in some corners of the world. The results were summed up and they showed a significant increase in the viewership.

It is also important for people who make shows on TV to have their equipment so that they can convert their 2D shows into 3D ones. Till then there were individual manufacturers who were providing only the productions houses who could afford this equipment. But recently when the Society of Motion Picture & Television engineers [SMPTE] took over the task it has been made cheaper so that everyone can afford, thus also enabling for a wider distribution of the video equipment. There is also standardization being done in order for viewing 3D image on these TV’s. The technology developed by now requires most of the 3D TV consumers to make use of 3D glasses. The difference in these glasses has been spotted to be a shutter method, wherein the consumer can make use of a button to switch from 2D to 3D images.

It is also important to note that if these glasses were made cheaper it would reduce the cost in manufacturing panels for these 3D TV’s. All this is being done by the SMPTE to make sure that this technology is affordable and the standardization efforts in 3D TV.

HDTV or High definition television is a term which a lot of people believe is a recent phenomenon but the truth of the matter is that companies and individuals have been working on HDTV for the past 5 decades now. HDTV in its simplest definition is a higher resolution of image that one sees on television. HDTV has approximately 1 to 2 million pixels per frame. The more the number of pixels the sharper and clearer a picture or image becomes. Today’s technology is far superior because of the rise of digital compression and subsequently digital broadcasts which use these video compression techniques. Let’s look at the development of digital compression over the years.

In the early 1970’s, the United Nations’ leading communication agency the International Telecommunication Union’s Radio sector known as the ITU-R was working on developing Analogue HDTV. But this really didn’t proceed as expected due to issues of delivery into user homes. Shortly after MPEG-1 was standardized, an alliance of regulatory bodies, broadcasters and consumer electronics manufacturers was formed known as the DVB organization which would be involved with developing and agreeing on the specification which were formally recognized by the ETSI. Following its formation DVB created the standard for digital satellite, cable and terrestrial TV. These could be used for both SDTV and HDTV. The United States then chose ATSC as their new standard for SDTV and HDTV which was based on the MPEG-2 standard. Besides this the DVB-S2 was also developed based on the H.264/MPEG-4 AVC compression standards. As newer developments took place, the primary aim across all standards was to ensure a highly efficient modulation technique which would reduce bandwidth along with reducing receiver-hardware and antenna requirements.  

In 1983, the ITU-R setup a working party in order to create a solitary international HDTV standard. The working party looked into many options and encouraged a development of various video processing techniques. While it was unable to come up with a comprehensively acceptable HDTV format, it was able to achieve agreement with regard to the aspect ration. At the time the leading aspect ratio was the 5:3 but the influence of widescreen cinema was also a big factor in people wanting to get some of that big screen experience on their television. The only problem with that was the aspect ration was too big at 2.35:1 which was the wide screen format in use at the time. Eventually 16:9 was chosen as the most reasonable compromise between HDTV and the widescreen experience. 16:9 was chosen as it was the geometric mean of 4:3, Academy Ratio and of course the 2.35:1 of widescreen cinema. 

It was finally in the BBC’s Research and Development establishment in Kingswood Warren that the Working Party finally signed off the agreement on the 16:9 aspect ratio.

From its relatively humble beginnings, the rise of digital compression was truly at its peak during the 80’s and 90’s. As of today there are service providers like Freeview HD which are conducting trials using the MBAFF tech platform which contains a mix of both progressive and interlaced content within the same encoding.

The world of technology has opened our doors to the world. What is it that the television cannot broadcast? Does it ever occur to you that the world has eyes because of the television? Can we stay without watching TV even for a day? May be we can. But what about living without you being able connect with the activities of the world? One button the remote and we have a myriad of channels to choose from. Technology has made everything possible. The next generation is going to live a life of great pleasure and luxury with the advent of technology. As long as it’s giving us our share of enjoyment, it will always be a big thanks to technology. Owning better technology TVs and more and more advanced products in the market are a symbol of status and show-off but why mustn’t we flaunt what we have when it is the best? There are two types of  LED back lighting technology available today. They are white LED backlights and RGB Dynamic LEDs. The RGB LEDs is a superb technology which gives us something more than clarity. It gives us an enhanced image with no difference from the original.

The RGB in ‘RGB dynamic LEDs’ stands for red, green, and blue. That is to say that it has red, green and blue LEDs which can be projected in a controlled manner to produce different temperatures of white. These are positioned behind the LCDs along with the combination of backlight the scenes and the images retain the original colors so that even if the scene requires both dark and light areas within the same image it gives a picture- perfect look and makes the scene look real to the eyes.

The RGB LEDs produce a huge gamut of colors and so make any image look natural in its form and perception. These give the effect of actually seeing something that looks natural and original to the eyes. The ‘RGB dynamic LEDs’ type of backlighting permits the colors to spread locally and create specific patches of darkness on the screen. This makes the whites and blacks and the PRs look much more original and give truer effect, and the contrast ratio for which is very highly dynamic thus making the smaller brighter objects less detailed in a darker background.

The RGB dynamic LED back lighting is found in very high-rated and high definition end color display in some high tech monitors that have been newly launched in the market. This makes the new technology consumer friendly and something that actually makes the customer feel that they are getting something worth their price. This is one of the most exceptional advantages of the RGB dynamic LED which makes life seem luxurious and convenient to enjoy.

  Television sets have been in use for over 80 years now and the transformations in the technologies used in their manufacture varied with ages starting with the black and white pictures followed by the color images and graduating to HDTV. Today there were around 230 Million Television sets in only the United States. The advent of HDTV which is rightly considered to be the future of television is considered to be the biggest milestone in television and satellite transmission. The History of High definition Television dates back to early 1970s and it is in Japan by the NHK (Japan Broadcasting Corporation).

          In 1977, a group SMPTE (The Society of Motion Picture and Television Engineers) was formed which focused on HDTV which published its first ever report in 1980. United States quickly followed and held the first demonstration of HDTV in 1981 and made the technology of HDTV popular. In 1987, with the advice of the private sector entrepreneurs, the FCC (Federal Communications Commission) formed an Advisory Committee to review the proposals. Initially there were plenty of these commissions but by 1990 only a handful of them were left and all of these were using analog technology. But it was in 1991, the all new digital approach came into existence thereby paving the way of High Definition Television or the HDTV.

New advisory committees were formed which advocated and enhanced the research on digital technology and by 1995 a joint proposal from all the committees was submitted to the FCC. The FCC recommended some changes and approved these proposals and it has formally become ATSC (Advanced Television Systems Committee) which is a standard for HDTV broadcasting. Today we see a lot of HDTV in markets but all this would not have been possible if not for its 35 years of development and these are all set to replace the analog televisions all over the world.

The fascination for better quality of picture and screen resolution accentuated by the constant strive for excellence and customer satisfaction were the strong motivating factors behind the years of research on HDTV. So, today when we compare the analog or SDTV (Standard Definition Television) with the HDTV the results are there for everyone to see and be overwhelmed by them. This TV has better configuration and features as compared to SDTV in almost every area – it uses 3 primary image signal components as compared to a single composite signal of SDTV, better contrast ratio, better aspect ratio, and six times better resolutions as that of SDTV.

The History of High Definition Television though is claimed to date back to 1930’s they were not using the digital technology and they were high definition only when they are compared to their predecessors and they only used the analog technology. Most of the times they were better than their previous versions only in some aspects and to a very less extent. The formal adoption of Digital Video Broadcasting in various countries fuelled the growth of research and manufacture of HDTV.

It’s hard to be on par with this world as technology is the driving force in this world today. Every time you buy a gadget only to find that another model of the same product has been launched in some country. Then what else can you do but just envy the customers who have got their hands on a better gadget. This new technology of 3D TV is taking on the world like a storm. By now it has established itself in America, Europe, Australia and Asia.

Well this technology is really not that old; you must have seen 3D movies in your childhood or must have for once seen 3D images in photographs. It must have been a fascinating sight to see a 3D movie where it would be much clearer and closer to reality. So going back in time some thousands of years ago when it is believed that the Greek Euklides were the first ones to make a binocular which gave you a 3D view. Then it was Leonardo da Vinci who tried his luck at making pictures in three dimensions.

As the world revolved we then witnessed the invention of a Stereoscope in 1844, it proved to be a breakthrough point in 3D technology as this instrument could rake images well in 3D.  Louis Jules tried experimenting with this instrument in order to achieve something big, and only after experimenting for about 7 years he made an enhanced version of the Stereoscope. This enhanced model could take pictures in 3D. The development of 3D movies was running on an equal pace as the development of 3D images and pictures did, which resulted in the invention of a camera in 1855 known as the Kinematoscope. This new instrument could be well used to shoot pictures in motion that is for making a movie, and it came to be known as Stereo Animation Camera.

As technology developed we soon saw the change on TV, but it wasn’t seen to such an extent till the late 50’s because to convert a 2D image into a 3D it takes a lot of time and everyone was patiently waiting for a computer that could speed this process up, until they saw the emergence of faster computers that could work for hours non-stop without any drawbacks. The company that emerged with high profits during this time was Intel since it was their technology that was driving these computers forward. In the late 70’s and 80’s when we saw the development of technologies like Plasma’s, LCD’s and LED’s that is exactly when some people began rattling their heads and thought about the idea of a 3D TV.

Later on, it was companies like Samsung who went head on to the market with this product called 3D TV. The history of 3D TV is originally in the idea initiated by the Greeks and was passed down over thousands of years to Samsung.

After the launch of this technology called Plasma, millions barged in electronic stores and bought the first model of a Plasma television which was an enhanced definition plasma television. It supported a resolution of 840 x 480 (OR 853 x 480) and a ratio of 13:9. It was a hit among the audience and the whole world had their eyes hooked on their EDTV’s until came an invention that redefined the meaning of watching television at home. This age bought to us high definition plasma television. These contained a different display panel which was known as Alternate Lighting of Surfaces (ALiS).

The first company that ever produced these panels which were required for high definition was a Japanese company. The main difference between an EDTV and the HDTV’s was that the high definition models were interlaced displays and thus contained non-square pixels. The first resolution ever available on HDTV was 1024 x1024 which was only possible since the pixels were non-square in their shapes, but as technology moved forward it gave a rise to better and bigger resolutions. The highest resolution of a Plasma high definition TV is 1920 x 1080 and its size is 65 inches.  Since the other displays that started coming were progressive in their order it was a necessity for the pixels to be square shaped in them.

Now a HDTV is based on three main parameters:

Frame size: which consists of number of horizontal pixels x number of vertical pixels. The different frame sizes were in this order 1280 x 720 or 1920 x 1080. But often lately the number of horizontal pixels is omitted and the only thing mentioned on the cover/box is either 720p or 1080p.

Scanning system: due to the scanning the system the image can be changed fast, and the signal can be adjusted as per the dimension of the frame or display panel. The type of scanning is identified by using the letter P for progressive scanning and the letter I for interlaced scanning.

Frame rate: it is the rate at which the frames are used. The general unit is frames per second. However it is different for both the scanning systems.

The perfect combination for all the three to constitute a HDTV which will bring home excellent picture quality is also dependent on the power output of the television. In the case when the output is 50Hz, it can work perfectly only with any of the three scanning rates 25i, 25p or 50p. Depending on the output, each system can host a total of three scanning rates out of which only one can be used at a time. Now the color of each pixel is regulated by 8-bit color values each comprising of different levels of red, blue and green. Thus the sum goes up to 17 million possible pixel colors. But the latest technology in high definition plasma television has enabled up to 24-bit color value which gives us a brilliant color display comprising of about a billion colors.

HDTV is extremely popular these days due to the high resolution of the images that you see on the screen. Imagine actually watching a football game and being able to see every single blade of grass as clearly as if you had been standing on the field itself. That’s what High definition television or HDTV is all about. The images are sharper because HD has between 1 – 2 million pixels per frame. Nowadays with digital signals being broadcast, the quality of programs you seen on television have vastly improved from the days of SDTV or standard definition television. Exploring the technical details of high definition resolutions can help you in understanding the product better.

First there are two broad splits in terms of video formats supported – 720p and 1080i/1080p

Under 720p there are three sub headers:-

1. 1024 x 768 resolution – This has just under 800000 pixels and has an aspect ratio of 16:9 (Width: Height). This kind f resolution is most typically found on a personal computer screen. It is also similar to the resolution of many entry level plasma screen displays with non-square pixels.
2. 1280 x 720 resolution – This has just over 920000 pixels and also an aspect ration of 16:9. This is pretty much the standard resolution you will find on most televisions with HD. It is also commonly found in PCs as well as video projectors.
3. 1366 x 768 – These screens carry well over a million pixels. It is the standard resolution which will be found in most HD-ready televisions these days which make use of LCD or Liquid Crystal Display technology. Also commonly found in many latest PCs and laptops.

Under 1080i/1080p one will find the following:-

1. 1920 x 1080 resolution – This is the big daddy of HD with over 2 million pixel thereby delivering super sharp images. This is the standard resolution for ‘proper’ HD televisions. Typically this full HD display system is found in high-end LCD, plasma and rear-projections televisions.

At its absolute minimum HD has at least twice the resolution of SD televisions so the level of detailing I much greater than either analog television or even regular DVD. The current standards for HDTV mean that the broadcast signal must be able to the 16:9 aspect ration images without using letterboxing methods or any anamorphic stretching. This will then help in increasing the overall effective image resolution. As such the optimum format for any broadcast is dependent on the type of medium used during video recording and of course the characteristics of the image itself. Typically high resolution sources need additional bandwidth to be able to be transmitted without any loss of fidelity of the picture.

A fair amount of confusion about the use of terms like or NTSC or PAL and there is a false assumption that these relate to high definition display resolutions but they do not. PAL, SECM, NTSC are all standard definition formats and are not related to HD in any way.