HDTV or high definition televisions are finally entering the arena where it can be considered mainstream. Literally every single day we see that the prices on high definition television sets are falling or even dropping. Luckily the available supporting technology like the digital video recorders has no problem handling HDTV programs.
Today, in at totally different industry, we see that the video game systems are using the advantage that high definition technology provides. And as a bonus we are seeing that more and more channels become available in the HDTV format now than ever before in the history of the technology.
While all of this is considered good news in the of the high definition television market a few of the giant technology companies are fighting a format war in the market for the HD digital video disc. As in the old days with the Beta-max vs. VHS format war there are now two opposing formats that both utilize the blue laser technology in order to encode enough data for a full length movie in high definition. And on top of that there are the bonus features and materials that are added onto a disc that's the same size as a normal DVD. The challenge is that most of the available players of today are only supporting one format and therefore won't play discs in the other format. You can say that the formats are incompatible.
Consumers avoiding the Beta-max failure
Due to this conflict there is currently a lot of trouble in regards to the widespread adoption of just one of the formats. Consumers can easily remember the last time there was a format war and where many people got stuck with a bunch of useless Beta-max cassette players and tapes. Therefore we are now seeing consumers being more cautious and are therefore holding out to see which of the two formats that comes out on top before investing into new technology.
The technical specifications of the two formats are pretty close to being equal, but the Blu-ray disc format from Sony is the winner in terms of the amount of data that it can store. On a disc from Sony you can store up to fifty gigabytes or as much as twenty five gigabytes on each side of the disc. On the other side you have rival of Toshiba with their HD-DVD format. It can only store fifteen gigabytes per side for a total of thirty, but it has the advantage in terms of players being sold about half the price of Blu-ray disc players.
Due to the fact that the Blu-ray format can store the most data, it would seem obvious that it would be the winner on purely technical grounds. However time has shown us that the market for these things isn't quite that simple. In order to win the battle both Sony and Toshiba are trying to win by making their technology more attractive than the other's which in the end will only benifit the consumers.
To make the picture complete one must know that there are some really big names in the electronics, software, and movies industry have gotten behind each of the two formats. On one side the huge company of Microsoft favors HD-DVD and offers an HD-DVD drive that attaches to its popular Xbox 360 gaming system
On the other side there are the major movie studios like 20th Century Fox that are currently releasing a lot of movies on Blu-ray disc while yet other movie companies are releasing movies on HD-DVD. Some of the major film producers are going the safe route and are releasing movies in both formats just to hedge their bets.
So when it looks like high definition television is ready to become mainstream the DVD format war is becoming more and more ugly every day and at this point it doesn't seem like there will be found any solution in the near future.
High Definition Tv Resolution
High Definition Television takes digital viewing to new heights with pictures that are up to six times as sharp as they are on regular television sets. To enjoy HDTV, you need to replace your old set with an HD unit that is specially designed to receive the digital information needed to deliver the required quality.
In order to make your purchase, it is worth knowing about the principal features of an HDTV unit so that you can be confident in your selection. You should consider features such as resolution, size, connections and HD source.
Resolution
When it comes to resolution, pixels are the key. The more pixels cramming a screen, the better picture will be produced. HDTVs use pixel densities of 720p, 1080i or 1080p, with the letters representing ?progressive? or ?interlaced? to describe how they line up on a screen. Interlaced describes how lines are delivered alternatively, with odd lines sent first and even numbers sent out in the second ?sweep?, and so on.
Progressive means all the lines are shown at the same time rather than alternated. Compared to a normal TV, which uses 576i, HDTV can deliver superior pictures and images. Therefore, the 720p, although having fewer lines, doesn't mean inferior image because having all lines shown at the same time makes for a smoother picture.
Size
The larger the screen, the more it will cost you. In addition, the viewing experience may be negatively affected by a large screen in a small room. Therefore, take care to buy a screen size that is ideally suited to the environment you are in. The main factor is where you sit relative to the screen.
Ideally, you want to sit about 1.5 times the screen's diagonal length away. Sitting too close will result in poor quality visuals while being too far away will remove the cinematic experience.
HDTV widescreen measurements are 16/9, which is its aspect ratio and is close to what you experience in the cinema. You can have widescreen HDTV in almost all units that are 23 inches or larger.
Screens can come in LCD or plasma but you must ensure they are labeled ?HD ready?.
Connections
It is important that your HDTV has at least two HDMI sockets. HDMI and DVI are the two main digital formats that accommodate high definition information. Any other types, you can ignore because you can be sure such a unit will not be able to deliver quality pictures and audio. Scart and Component connections provide only medium quality video. With HDMI, you can also connect DVD players, and even your old style video player. As an example, the Samsung LE46M51BX is an HDTV unit that has HDMI digital connectivity and a 46-inch LCD screen.
HD source
Sky HD delivers the widest range of high definition programming in the United Kingdom, with a HD set-top that allows you to record two channels simultaneously. Other broadcasters, such as Virgin Media, are gradually increasing their selection of HD programmes.
Conclusion
HDTV is without doubt the direction in which home cinema is moving. These units are both complex and costly so it is well worth investing some time in understanding the functionality and the definition of the principal terminology used. Focus particularly on screen size, resolution and of course connectivity to ensure compatibility with your existing equipment.
Both Mikael Rieck & Georgina R Lohan are contributors for EditorialToday. The above articles have been edited for relevancy and timeliness. All write-ups, reviews, tips and guides published by EditorialToday.com and its partners or affiliates are for informational purposes only. They should not be used for any legal or any other type of advice. We do not endorse any author, contributor, writer or article posted by our team.
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