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Is It Time for HDTV?

admin — Wed, 18 Jan 2012 00:00:00 +0000

So you love HDTV but you’re just not sure if it’s worth the investment. Here are a few things to ask yourself before you ditch your old set and spring for a new, fancier one
What will you be watching? – If you’re really into sports rather than CSPAN or you like to see exactly how old each Kardashian looks on TV, HDTV may be right for you. It’s all about the detail.
What other services do you have? – If you’ve got satellite service from www.directstartv.com, for example, you’re probably already supported and ready to take on HDTV channels. If you’re only using basic cable it may not be worth it.
Are you ready for an upgrade? – If your old TV set still works fine and you haven’t noticed it lacking anything, maybe you should wait. But if you’re facing a costly repair or there’s a great deal from your provider right now on great HDTV channels it may be a great time to make the switch. Just weigh your options carefully on both sides before you decide to make a change.

The Three Parameters of HDTV Broadcast Systems

admin — Tue, 17 Jan 2012 00:00:00 +0000

Have you gone shopping for a new HDTV lately? In looking at the different TVs, have you ever wondered what 1080i25 stands for? Well, these are based on the parameters of the HDTV broadcast system.

There are three parameters of HDTV broadcast systems. The first is the frame size in pixels. A pixel is like a dot of color that is used to make an image on the screen. So, the frame size in pixels would be, how many pixels are used to make up the frame size, this is the 1080 in the example above.

The second parameter of HDTV broadcast systems is the scanning system. There are two types: progressive scanning (p) and interlaced scanning (i). The scanning refers to the way that the lines that make up an image move across the screen. With progressive scanning, the lines of each frame are drawn in sequence. With interlaced scanning, only the odd lines, then the even lines are drawn alternately.

The last parameter of HDTV broadcasts systems is the frame rate. This is based on the number of video frames per second.

Now when you are browsing through HDTVs, you will have a little better understanding of what 1080i25 stands for.

A Brief History of HDTV Television

admin — Wed, 04 Jan 2012 00:00:00 +0000

HDTV television is thought to take it’s roots in Japan in the 70′s. Initially the Society of Motion Picture and Television Engineers suggested it’s endorsement to the technology in the year 1989 which included a wide screen format and a resolution of 1100-line scanning The United States was initial introduced with a demonstration of HDTV in 1981. By the year 1987 the FCC partitioned advise from private soures who formed a committee on advanced television service. Advanced Television Systems were first introduced to a committe that comprised of 23 members. In 1990 only introductions remained and were all based on analog systems.

In the mid 1991 the prevailing ATV took on a new digital form. In 1995 the FCC was given a detailed all digital ATV system and following some changes the propoal was approved by the FCC in 1996 making it the mandated ATSC (Advance Televison Systems Committee) or more standard form DTV/HDTV broadcasting. After a development of thirty-five years hi-def started to make it’s way into retail outlets. Analog became obsolete on December 31, 2006 which required consumers to purchase a converter box for their analog tv’s so the digital signal could be received. Today you hear hot topics like HD compatible or HD ready.

An HDTV Glossary for the Layperson

admin — Fri, 23 Dec 2011 00:00:00 +0000

If you are new to the world of high-definition televisions, you need to know different terms and bits of information in order to locate and purchase the best television possible. With so many specifications on hand, this is essential, otherwise you are going to end up with a lackluster HDTV.

To start, the top resolution of an HDTV is 1080 (horizontal lines). There are other HDTVs with a 720 resolution, although this does not provide the full picture quality.

The next aspect to look for is the refresh rate. This is the number of times the image flashes on the screen. The higher the refresh rate (measured in hertz), the smoother the image. A refresh rate of 240 is desired, although 120 is adequate. A refresh rate of 60 is standard on lower end televisions.

The color contrast level is also important. This is the number of colors the television is able to reproduce. The more colors the TV is able to create the better. The reading is displayed as 10,000:1, meaning the single television is able to produce up to 10,000 different colors.

There are other minor features to look for on a television, including the ability to connect to the Internet.

A Comparison of Visio HDTV and Samsung HDTV

admin — Fri, 09 Dec 2011 00:00:00 +0000

If you are looking to invest on a new HDTV for a new cinematic experience, a great buy can either be a Visio HDTV or a Samsung HDTV. However, a great comparison of the two brands can help you make a better and informed decision. The awesome features that both of the Visio and Samsung HDTVs carry, are that they can give you the best picture quality available as long as you have the correct connections. Some TVs of both brands might only go up to 720p HD but there are also those TVs that have the full capacity of 1080p High-Def.

Although most of the Samsung HDTVs do have a better picture, the Visio HDTV is still a great buy. The Visio HDTV is a little more affordable than the Samsung HDTVs and will give you a perfect High Def picture as well. A few tips to help give you the full effect of the High Def feature is having a great Blu-ray disc player connected to your Samsung of Visio HDTV. Along with this, you will also need the correct connectivity, which can include a great selection of monster cables or optical connections to get the most out of your High-Def. There is also the great option to get the high definition on your cable or satellite programming.

If the channels are equipped to handle the full capability of the 1080p high-def resolution, a cable box or satellite box are perfect for giving you the best high-definition resolution. The different levels of High-Def resolution are 480i, 480p, 720p, 1080i and 1080p. With the great technology available today, you can also complement the great high-def resolution with unbelievable 3D features that come with both the Samsung and Visio HDTVs. So whichever way you go, you can be certain that you will be getting an amazing picture to transform you movie nights into an electrifying visual treat for the eyes.

What is HDTV and How Does it Work?

admin — Tue, 09 Aug 2011 00:00:00 +0000

High definition television (HDTV) is the highest level of digital television broadcasting. Because digital signals stream more data, HDTV has video resolution significantly higher than traditional analog or standard-definition TV (SDTV). HDTV has one to two million pixels per frame. This is approximately five times more than the SDTV signal could transmit. This increased pixel count makes the picture sharper, more realistic and produces the high quality picture on an HDTV.

The aspect ratio of HDTV is similar to a movie theater, allowing for a widescreen image on your HDTV. This picture format is easier to view because we see better left to right. As opposed to the square SDTV format which forced you to view the picture in an up and down manner.

Television programming is now recorded and transmitted digitally. Digital signals aren’t affected by external factors in the same way as the older analog signals were. Digital signals can travel further without degrading; eliminating a lot of the fuzzy pictures that appear on SDTV. We no longer depend on analog signals, antennas and older technology. Although we can still get TV via antennas, digital signals allow us to receive broadcast over cable or via satellite as well.

LCD LED and Plasma HDTV Differences

admin — Fri, 05 Aug 2011 00:00:00 +0000

LCD is an acronym for Liquid Crystal Display. Without going into the technical details, you can think of this technology as having an electronically adjusted filter for each pixel that can vary the color and brightness of the light. This requires a light source behind the LCD element, which is usually a fluorescent tube.

LED stands for Light Emitting Diode. The primary difference between this and the LCD displays is that LED sources replace the fluorescent tube. This results in much less heat generation and power consumption.I was looking for more information and found it here. This type of screen also provides a better picture quality than the LCD type.

Plasma TVs use tiny gas-filled capsules that are essentially miniature fluorescent bulbs. The light excites phosphors on the surface of the capsule that create the color and intensity of the pixel. This means that each pixel in the screen more or less functions as a small CRT. Plasma screens consume the most power and generate the most heat of the three types.

In addition, the different types of screens are better suited to different lighting and viewing conditions so you should do additional research to find which type of screen would perform best in your living room. These resources are readily available online.

A Buyer’s Guide for Understanding the Basics of HDTV

admin — Tue, 02 Aug 2011 00:00:00 +0000

High definition television has become more affordable for the average person. This means more and more people are buying high definition televisions and should know the basics of HDTV before buying one. Should they get a plasma, LED or LCD HDTV? Should they purchase a 720p or 1080p television? Which size is the best? Let’s take a look at some basic information about high definition television.

In general, Plasma televisions will be more affordable than LED or LCD televisions. These televisions used to suffer from burn in, but makers of plasma televisions now make plasma televisions that aren’t as prone to burn in. These televisions are heavier than LCD and LED televisions. Plasma televisions are known for producing deeper blacks.

Most high definition programing that is broadcast is done so in 720p. This broadcast content includes all the popular sporting events like the World Series and Super Bowl. People that choose to get 720p instead of 1080p will still be able to watch the vast majority of high definition content that is currently available. 720p televisions cost less than 1080p televisions.

Typically sizes of 36-inches and above are reserved for the living room and sizes below that are for smaller spaces like the bedroom.

The HDTV Reviews That Compare Brands

admin — Fri, 29 Jul 2011 00:00:00 +0000

HDTV is one of the hottest topics when talking about television capability. Everyone is trying to find that perfect television to complement their home theater system or make their home gaming experience more exciting. There are many HDTV brands out there, all explaining why they are the best brand to buy. Here are some popular brands along with their features. Philips has been a main stay in the top three brands of HDTV due to their Ambilight technology. These TV’s offer great picture and sound to will please most people. Sony has also produced some quality TV’s, with their Bravia model being a true success. It offers excellent audio and video and is perfect fit for those movie fanatics. The Sharp Aquos is a new company in the HDTV market and have made an excellent showing for themselves. They offer liquid crystal technology which produces some of the sharpest images you can get on a HDTV, they have set the standard on picture quality. Finally, the Panasonic brand offers three types of HDTV: Plasma, LCD and rear projection. They are considered the leader in HDTV technology, with the introduction of Motion Picture Pro, which maximizes clarity in high motion action scenes in movies.