High-Definition Television – a new type of television that combines a High-Definition Television tuner and an HD-capable display. Almost all of HDTV’s available in the market use the 16:9 widescreen aspect ratio. An High-Definition Television tuner can receive analog and digital broadcasts over-the-air.

High-Definition Television –compatible TV- features only the high-resolution display and can only receive digital broadcasts if connected with a separate HDTV tuner. HDTV-ready TVs can have the 16:9 widescreen ratio or the square like 4:3 aspect ratio.

High-Definition Television has arrived and here to stay given surging popularity of crystal-clear broadcasts in US television TV. Analog television’s shift to an all-digital system has heralded a new age in the 65-year history of TV.

Hours of High-Definition Television can be viewed almost nightly. Viewers can easily determine if a show is presented in High-Definition Television if the message “Presented in high definition where available” is shown at the start of a program.

Choosing the right TV is important in the High-Definition Television experience. A TV with a 4:3 screen will be a good choice if local and network dominate programming are common in your market and over-the-air or cable High-Definition Television programming is sparse.

However, with the arrival of new technology also calls for viewers to adapt to the situation. Those still using traditional TV sets will not be able to get the most out of the High-Definition Television experience.

For this you need to have a tuner to receive and decode High-Definition Television signals from a source, and a high-quality screen that can reproduce the outstanding details and colours from an High-Definition broadcast.

The higher resolution of High-Definition Television makes its pictures crisper and clearer compared to traditional television. Traditional TV pictures only possess 480 lines of vertical resolution, while High-Definition Television has 1,080-line interlaces scan and 720-line progressive scan. The best quality that can be given by analog TV is 480i, which in contrast is the lowest quality signal offered by digital TV.

Getting started in High-Definition Television is not as expensive like during the time it was introduced in the market. Prices of tuners and HDTVs continue to decline but the quality constantly improves rapidly.

To help you maximize your High-Definition Television setups without spending your life savings here are some important tips to avoid costly mistakes and help you experience High-Definition Television at its fullest.

Over-the-air-broadcasts: Nearly 1,500 local station across the US are transmitting Digital TV signals today. About 90% of digital station broadcasts are made in the UHF range an these can be accessed with the use of a normal UHF antenna. For this scenario you need:

- HD-compatible TV
- High-Definition Television tuner-
- Outdoor or indoor UHF antenna
- The High-Definition Television broadcasts in your area

Digital Satellite TV: High-Definition Television via satellite is available for those living the US and has a clear view of the sky. In short, this service is available almost everywhere. High-Definition Television channels are already available from the top satellite TV providers DIRECTV and the DISHNetwork. Those lucky enough to live in major cities can even get local stations in HD via satellite. For this setup you need:

- HD-compatible TV
- HD-compatible satellite dish
- HD-compatible satellite receiver
- HD programming

Top High-Definition Television receiver in the market today

DIRECTV HR10-250 satellite receiver

The DIRECTV HR10-250 High-Definition Television satellite receiver is the ideal for those that want to get the most out of watching crystal-clear HDTV broadcasts. The HR10-250 can receive and decode digital signals from DIRECTV’s high-resolution broadcasts. The satellite receiver also features a built-in hard drive digital video recorder.

HD-broadcasts feature images rich in detail and surround sound makes a room alive and vibrant. HR10-250 HDTV satellite receiver can be connected to any HD-ready TV and home audio system.

Specifications:

» HDTV DIRECTV tuner — receives and decodes digital High-Definition Television signals from DIRECTV’s satellite broadcasts and local free-to-air broadcasts with the use of a compatible antenna.
» receives digital TV broadcasts in 480i, 480p, 720p, 1080i
» dual ATSC tuners
» can record up to 200 hours of standard-definition digital TV with its built-in hard disk digital video recorder and up to 30 hours of HDTV
» manual timer recording by channel and time
» Season Pass™
» 1 set audio/video outputs (composite, S-video, component video, HDMI)
» Thumbs Up/Thumbs Down buttons — ratings system from TiVo
» HDMI, HDMI-to-DVI, component video, S-video, composite video, and telephone cables
» 1 year warranty

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Technorati Tags: High-Definition Television

If you think that HDTV, since it is one of the world’s latest structures of technology, is all about being exactly that, you are dead wrong. Yes, if you have one you definitely have the right to boast it around for it is indeed boast-worthy, but that is not all. Hdtv has many benefits as well.

If you do not have an HDTV, then make the switch pronto. You might ask why would you want to change your old television sets for an HDTV? An old television set does not have digital superiority. Hdtv does.

Hdtv is proud to say that digital superiority is one of their many fantastic features. Hdtv also highlights the film with amazing details. When it focuses on a certain item, that item seems to be magnified for you see it like as if it is really in front of you. Cool huh?

Hdtv also features progressive scanning and digital audio. It is completely balanced. You cannot really enjoy great viewing if the sound is not really clear can you? Well HDTV’s digital audio makes you feel like the person you are watching on your television set is beside you and the two of you are talking as if in a conversation. There are also no more ghost images.

By ghost images, this does not mean that there are a number of caspers roaming around the screen. But there is a certain blur to the things you watch on TV that makes them look like they are ghosts. These kinds of ghosts are not scary at all, but they are highly annoying.

An FCC also mandates the switch and you are given an even wider viewing area. So you do not have to cramp up in front of the television set when you are watching it with your friends just to have a good view of the movie. The screen seems to be stretched so you can watch from afar, if ever you are cooking dinner, and watch your favorite movie at the same time. Now that is multitasking!

You can also watch DVDs in a much better way and satisfaction because hdtvs have a better quality DVD playback. Now isn’t that an example of all in one?

Common television sets are based on the aspect ratio of four is to three (4:3). This ratio means that the television can be measured with an approximation of its height of three feet, and a width of four feet.

However, the aspect ratio of an HDTV is, drumroll please, a whopping sixteen is to nine (16:9). This makes the image an HDTV gives out much much wider! In fact, the screen size of an HDTV is thirty three percent wider!

The width that is increased indicates a very huge improvement since it permits you to view the tv sitcoms and movies that you like, as if you were watching them in the cinema, just minus the loud snoring guy behind you and the couple that never seem to gasp for air in their kissing spree in front of you.

With an HDTV, you will never have to experience all the things that annoy when you are watching in the theater.

Just in case you do not know, when you are watching whatever it is that you are watching on a sixteen is to 9 (16:9) screen, you are actually making use of your peripheral vision. The utility of your peripheral vision will definitely make you feel like you are part of the program that you are watching.

The directory of ABC’s Monday night football, Norm Samat, did a feed about HDTV. And she vouched for the wonder that hdtvs can bring. She said that once you look at the pictures on your HDTV, you would seem like you entered a sort of trance because you actually see more than what is really shown. Groovy!

Now in terms of football, the sixteen is to nine (16:9) aspect ratio makes a big difference. If the old four is to three (4:3) aspect ratio is used, it was often a very tricky situation to have the defense covered.

But in an HDTV, they are already in your picture, so you can actually get to see more of the play, and also more of the development of the play.

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This year alone sales of HDTVs is expected to reach 20 million. In fact, HDTV sales is on track to post a one week record shortly before the Super Bowl, as fans to want to enjoy the big game in all of its high-definition glory. HDTV comes in different prices and sizes. Whether it is DLP, LCD and Plasma. Consumers are confused on what to buy because of their unfamiliarity with the technology.

Studies show that nearly 60% of HDTV buyers are not sure on the difference between LCD, Plasma and Micro Display. Many HDTV shoppers do take time to research but still need to be guided on which product is appropriate for their demands and budget.

Cable companies have strengthened the demand for HDTV, as there is already 17 channels that offer HD programming. In addition, HDTV prices have sharply dropped over the past year and some sets cost as lows $1,500.

Comcast has reported that its roster of HDTV customer agents has ballooned to 1,100 and they answer queries and take orders from subscribers. The company has also deployed 1,100 HDTV technicians to assist in setting-up the products at homes.

Terms of HDTV
HDTV – a new breed of TV that combines the capabilites of a HD-tuner and HD-ready display. Nearly all of HDTV’s being sold in the market today use the 16:9 widescreen aspect ratio. An HDTV tuner can receive analog and digital broadcasts over-the-air.

HD–compatible TV- only composes the high-resolution display. Can only accept digital broadcasts if hooked with a separate HDTV tuner. HD-compatible TVs can have the 16:9 widescreen ratio or the square-ish 4:3 aspect ratio.

Starting on HDTV

A recent study by the Consumer Electronics Association indicated that 71% on consumers it has surveyed plans to purchase an HDTV set soon are already planning and saving up. However, one reality in the consumer market today is that store do have the right number salespeople that have a good grasp on new technoliges.

Most are more concerned on making a quick sale rather than making it easy for the consumer to understand what he is going through. Translating or explaining complicated technology terms is never an easy task.

It’s hard enought to expain the difference between HDTV and analog TV and it will be more complicated to clearly tell the difference between HDTV and EDTV.

Setting up HDTV

When you decide to jump into HDTV give yourself time to become familiar with the technology. An HDTV setup normally consists of the following, HD-ready TV, receiver, antenna and HDTV service provider. Many HDTV’s nowadays already have a built-in tuner, eliminating the need to purchase an independent box.

TO help you in making the right choice here some of the most popular HDTV products now available in the market.

Receiver

The DIRECTV HR10-250 High-Definition Television satellite receiver is the ideal for those that want to get the most out of watching crystal-clear HDTV broadcasts. The HR10-250 can receive and decode digital signals from DIRECTV’s high-resolution broadcasts. The satellite receiver also features a built-in hard drive digital video recorder.

HD-broadcasts feature images rich in detail and surround sound makes a room alive and vibrant. HR10-250 HDTV satellite receiver can be connected to any HD-ready TV and home audio system.

Specifications:

» HDTV DIRECTV tuner — receives and decodes digital
High-Definition Television signals from DIRECTV’s satellite broadcasts and local
free-to-air broadcasts with the use of a compatible antenna.
» receives digital TV broadcasts in 480i, 480p, 720p, 1080i
» dual ATSC tuners
» can record up to 200 hours of standard-definition digital TV
with its built-in hard disk digital video recorder and up to 30 hours of
HDTV
» manual timer recording by channel and time
» Season Pass™
» 1 set audio/video outputs (composite, S-video, component video,
HDMI)
» Thumbs Up/Thumbs Down buttons — ratings system from TiVo
» HDMI, HDMI-to-DVI, component video, S-video, composite video,
and telephone cables
» 1 year warranty

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Consumers should not fret, as there are still a number of quality separate HDTV tuners available in the market. The following are some of the top selling HDTV tuners.

Samsung’s SIR-T451

The Samsung SIR-T451 HDTV tuner enables viewers to constantly enjoy free-to-are High Definition broadcasts. Almost all of US households can access one digital TV signal and nearly 85% can access at least five stations.

Specifications:

» decodes all free-to-air HDTV/SDTV formats
(when hooked to an HD-compatible antenna)
» customizable output resolution (1080i/720p/480p/480i)
» Electronic Program Guide
» 1 set of A/V outputs ( S-video, composite and 1080i/720p/480p
component video)
» optical and coaxial digital audio outputs for Dolby® Digital
» multibrand remote control (operates most TVs)
» RGB output — D-sub 15-pin connector
» one RF input (Antenna)
» DVI digital video output with HDCP copy protection
» 13-7/8″W x 2-11/16″H x 10-1/2″D
» warranty: 1 year parts & labor

DIRECTV H20 HDTV tuner

Enjoying high definition programming from HDTV is a snap when using the H20 tuner. This HTDV tuner can be connected to a HD-compatible antenna to view programs from local or free-to-air channels.

DIRECTV’s HD line of program produces vibrant, lifelike images and surround sound that fills the room with sound. You only need to connect the H20 HDTV tuner with your HDTV-ready TV and audio/video system.

Specifications:

» HD-DIRECTV tuner — receives and decodes digital HDTV signals
from DIRECTV’s satellite broadcasts and local free-to-air broadcasts with
the use of a compatible antenna
» selectable 480i/480p/720p/1080i output via HDMI and component
video
» receives digital TV broadcasts in 480i, 480p, 720p, and 1080i
HDMI)
» optical digital audio output passes Dolby® Digital audio
» 1 USB interface for future use
» phone jack
» 2 sets audio/video outputs (2 composite, 1 S-video, 1 component
video, 1
» RF/IR multibrand audio/video remote (controls up to four
components)
» includes component video, S-video, and RCA audio/video cables
» built-in ATSC tuner receives over-the-air digital broadcasts
» searchable 7-day program guide
» on-screen caller ID (when connected via phone line)
» satellite and antenna inputs
» MPEG4-capable
» 14-15/16″W x 2-13/16″H x 10-13/16″D
» warranty: 90 days

DIRECTV HR10-250

The HR10-250 HDTV tuner from DIRECTV will ensure that viewers will enjoy countless hours of High-Definition programming. The HR10-250 receives and decodes digital signals from DIRECTV’s high-resolution broadcasts. This tuner contains a hard drive digital video recorder that enables crystal clear reproduction of shows.

High-definition broadcasts from DIRECTV offer pictures full of detail and surround sound that fill an entire room. Just connect the ‘250 HDTV tuner to your HD-ready TV and home audio system, and be ready to experience home entertainment at its best.

Specifications:

» HDTV DIRECTV tuner — receives and decodes digital HDTV signals
from DIRECTV’s satellite broadcasts and local free-to-air broadcasts
with the use of a compatible antenna.
» can store up to 200 hours of standard-definition digital TV with
its built-in hard disk digital video recorder and up to 30 hours of
HDTV and
» can record two shows at the same time
» TiVo 14-day interactive program guide
» WishList™ keyword search of program listings
» Season Pass™ — record whole seasons of TV shows; first-run only,
or with reruns
» receives digital TV broadcasts in 480i, 480p, 720p, 1080i
» manual timer recording by channel and time
» 1 antenna input and 2 satellite inputs
» 1 set audio/video outputs (composite, S-video, component video,
HDMI)
» selectable 480i/480p/720p/1080i output via HDMI and component
video
» dual ATSC tuners
» Thumbs Up/Thumbs Down buttons — ratings system from TiVo
» optical digital audio outputs pass Dolby® Digital 5.1-channel
audio
» phone jack
» remote control (multibrand for TVs and A/V receivers)
» 2 USB interfaces for future use
» HDMI, HDMI-to-DVI, component video, S-video, composite video,
and telephone cables
» 15-1/8″W x 3-5/16″H x 13-7/8″D
» warranty: 1 year

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Technorati Tags: Tuning With HDTV Tuners

high definition television or HDTV is the more popular and emerging TV technology that is making the market anticipating and longing nowadays.

The reason for such warm perception for HDTV lies on its ability and feature that is far more superior compared to its earlier counterparts in the TV manufacturing industry.

HDTV is becoming too popular that a recent poll of TV viewers in Europe and also in the United States show that televiewers prefer to buy HDTV on teir next purchase of TV sets.

The survey can be very insightful and interesting. With the current tag prices for HDTV units, purchasing HDTV set will be very costly and expensive.

On the average, marketers and sales men estimate that the price of an HDTV is about 15 to 25 times more o above the price tag for the regular and conventional TV sets currently out and released in the market.

Superior quality

One of the added and most breath-taking feature of the HDTV sets is its superior image and picture quality. It ins understood that the screen of HDTV is far ore better than the screen quality of the analog TV.

There is no denying to that fact. It is also very obvious and very logical. HDTV images are incomparable to the usual images and screen quality you probably are accustomed to using your well-loved and almost obsolete analog TV set.

What more, with the excellent sound quality that comes along in the package with HDTV, nothing can beat it. At least not within this time frame.

HDTV signal

There is another downside though about HDTV. It is its signal or receiver capacity. Because HDTV uses the complex and sophisticated digital broadcasting technology, HDTV has a receiver or tuner that is not compatible to receive or accept signals from analog TV broadcast transmitters.

The current broadcast technology used by all TV networks around the world is still analog. It is estimated that a complete switch to digital TV transmission will be far costlier and more expensive for the whole TV industry.

In the United States, which is one of the countries to switch to digital broadcasting in 2007, legislators have acknowledged the expense and costs that will go along with the switch.

The US Senate is trying to pass a bill that will mandate the government to subsidize the common people’s purchase of converter boxes.

Because digital TV transmissions will never be received by analog TV receivers, the analog TVs will be forced out and dumped soon.

The HDTV with its superior and digital broadcast compatible HDTV receiver will be too costly for households with average and below average income. Ending TV entertainment for this demographic will also be very unfair.

That is what converter boxes are there for. Converter boxes contain HDTV receiver equipment inside them that will receive digital TV broadcast signals. Since the analog TV receiver can not do the work, the converter box will the task for it.

Thus, analog TVs will be eventually equipped with HDTV receiver externally, making viewing of TV shows still possible despite the potential of digital TV takeover.

HDTV receiver

HDTV receiver is the internal equipment or part of the HDTV that will set it apart from other and currently existing TV models and equipment.

For analysts and experts, HDTV receivers are the significant factor, or the key to the full-scale success and operation of digital HDTV broadcasts.

The superiority and excellence of HDTV viewing is out there, waiting for your indulgence. It is about high time you try and consider buying your own HDTV unit now.

Moreover, HDTV is the TV of the future. Getting one now will make you experience and get an initial test of the bright, superior and excellent TV viewing experience to come.

As a TV addict, an video movie buff and a TV aficionado all at one, it is imperative you get hold of HDTV with HDTV receivers, not tomorrow, but now.

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Dish TV HDTV

High Definition Television or HDTV has come a long way since the first blinking black and white televisions. It now can offer a near real life touch of audio and video for the consumers. If only TV screens can be like portals to another dimension.

Definition Of Terms

1. Analog TV

An analog TV is different from a digital TV that it can only transmit the video signal and nothing more. During the transmission of an analog signal, many kinds of problem can happen such as interference. Interference such as noise can distort the television picture.

Likewise, an analog signalcan cause the pictures to be snowy and distorted.

2. Digital TV

Digital TV signals on the other hand, can contain bits (ones and zeros) that are transmitted through a Digital Receiver that is otherwise termed as a tuner, decoder or set-top-box.

This digital receiver cracks the digital code resulting to an almost perfect image.

3. Digital Television (DTV)

Digital television was assigned with about 18 formats by the ATSC. Only about six of these eighteen formats are considered to be HDTV.

4. Standard Definition Television (SDTV)

Standard definition television or SDTV basically refers to transmission of digital signals with 480 line resolution. The resolution can either be scanned in interlaced or progressive formats.

Standard definition television offers a big improvement over the digital TV in picture resolution comparable to the edge of DVD over the VHS in quality.

Standard Definition television also eliminates the snow and ghosts inherent in NTSC analog formats.

4. High Definition Television (HDTV)

High definition televisions are digital televisions (DTV) that is the latest in TV technology. In terms of quality in audio and visual, high definition television is supreme over the standard definition television.

The Best Set Up For High Definition Television

The ideal situation when setting up an HDTV is by receiving a pure digital signal via cable. Receiving these digital signals via cable can be by DirecTV or by Dish TV HDTV.

Digital signals from DirecTV and Dish TV HDTV is received by a digital receiver and are displayed on a digital TV set.

The best set to receive DirecTv or Dish Tv HDTV is a front or rear projection HDTv or even plasma TV. These HDTV sets have a standard aspect ratio of 16:9.

Dish TV HDTV

Dish TV HDTV or Dish network usually transmits high definition broadcasts of special events, such as concerts or boxing events. Aside from this, subscribers of Dish TV HDTV can likewise watch special broadcasts of sporting events from the professional scene in high definition broadcast. Special broadcasts from such respected organizations such as NFL, NBA, NCAA, etc.

Dish TV HDTV also has an optional 8VSB tuner wherein subscribers can watch the local off air broadcasts via an off air antenna. These off air broadcasts transmitted by Dish TV HDTV are in high definition.

Some of the channels offered by Dish TV HDTV are Discovery Channel, HBO, CBS, pay per View, Showtime and NBA TV.

The Dish TV HDTV makes it relatively easy for subscribers to watch HDTv shows. A subscriber only needs to point the HDTV antenna to the Dish TV HDTV satellite, acquire a Dish Tv HDTV receiver and a HDTV ready television.

Dish TV HDTV offers no long term subscriptions. This is because high definition programs are at a very expensive price. Subscribers of Dish TV HDTV can choose from a range of movie channels, nature programming or educational channels that are of theater quality.

The 8VSB tuner for DIsh TV HDTV alone costs about US $ 149. Consumers can just imagine how much a long term subscription can cost when it comes to high definition television.

Dish TV HDTV requires the Model 6000U high definition television receiver. This receiver promises to bring sharper images and clearer sound right inside the living room bringing television programming into life.

This HDTV receiver promises to bring six tiimes the picture quality of a standard digital TV. The Dish Tv HDTV receiver includes an Enhanced HD adapter that is programmed to receive QPSK or 8PSK high definition signals.

Dish TV HDTV also offers free channels for the subscribers. The channels mentioned a while ago; HBO, CBS, Showtime and NBA TV are supposedly free to subscribers except for HBO which has a separate HBO subscription.

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Hooking Up With The Right HDTV Antenna

Enjoying HDTV programming will be difficult if you do not have the right antenna. Using any off-the-shelf antenna will not be enough, as you need something that is specially designed for HDTV. Here are some of the top HDTV antennas available in the market.

Terk TV5 antenna

The Terk TV5 indoor set-top antenna will make sure that your HDTV will receive the best reception. Features a compact design and utilize twin-tuned horizontal elements, which span less than five inches are considerably easy to adjust. This is the ideal setup if you want to place it above your TV or cabinet. Directional tuning is a snap.

Specifications:

- compact matched-pair receiving elements
- RF-style video input with antenna/source switch
- VHF/UHF band separator with 75-300 ohm matching transformer
- VHF and UHF capability for reception of channels 2-69
- AC adapter
- 25″W x 4-3/4″H x 12″D
- built-in variable-gain amplifier (to +40 dB for UHF/VHF)
- 1 year warranty

Terk TV2 antenna

The Terk TV2 antenna is ideal for those live in suburban or urban areas that are blessed with strong TV signals. The dipole elements are extendable and can be independently swiveled to enable directional tuning to catch certain stations.

The Terk TV2 is great add-on particularly for a DBS system. Additional parts of the TV2 include RF-style coaxial input for connection of a second source, and a selector to switch between the antenna and another video source such as cable, a DBS system, a VCR, or a video game console without the need to alter connections.

Specifications:

- extendable dipole elements
- RF-style video input with antenna/source switch
- VHF/UHF band separator with 75-300 ohm matching transformer
- VHF and UHF capability for reception of channels 2-69
- 8″W x 9″H x 4-1/4″D
- warranty: 1 year

Terk HDTVi antenna

The Terk HDTVi is a passive non-powere antenna that is elegantly designed to suit any attractive installs. This antenna fixes the dilemma of receiving excellent digital TV reception without using an outdoor antenna. Ideal for those living in an condo or apartment.

Terk’s HDTVi antenna can receive local HDTV channels, and has very attractive design and will complement your TV setup. Designed for optimum HDTV reception, with a high-gain structure that uses dipoles and long-periodic elements to receive VHF HDTV and UHF broadcasts. The UHF antenna can be placed horizontally or horizontally to aid reception.

Specifications:

VHF/UHF band separator with 75-300 ohm matching transformer
VHF and UHF capability for reception of channels 2-69
13-3/8″W x 9-1/8″H x 16″D
1 year warranty

Terk TV4 antenna

Those infamous “rabbit ears” are as fashionable as mullets. Those living in suburban or urban areas are better served to use the Terk TV4 antenna given the strong TV signals in their area.

The TV4 HDTV antenna utilizes 5-inch twin-tuned horizontal receiving elements and can be place about your TV or cabinet. These elements are considerably better looking compared to rabbit ears and perform better, as adjustments will only be minimal. They also stay in a matched position. Directional tuning for certain stations is a breeze: just circle the antenna’s elements to locate the best reception.

Specifications:

compact matched-pair receiving elements
VHF/UHF band separator with 75-300 ohm matching transformer
VHF and UHF capability for reception of channels 2-69

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HDTV cables are conduits of HDTV transmissions. There are two kinds of HDTV connections: analog or digital. Various HDTV cables are used for these connections. They should be of good quality and well installed to guarantee a fully reliable system.

Analog HDTV cables

Analog HDTV signals are either RGB (usually RGBHV) or component video (Y/Pb/Pr).

Component connections are made using RCA connectors. These connectors transfer SDTV NSTC signals from external devices such as DVD or VHS to HDTV displays. Component cables are usually color coded: green for Y, blue for Pb and red for Pr. Audio cables are also color-coded: red for Right audio and white for Left audio.

Seventy-five (75) ohm video coaxial cables are suitable for these applications. These HDTV cables end with RCA plugs, BNCs or VGA monitor plugs.

HDTV analog signals are ten times stronger than NTSC. HDTV signals scale up to 35 MHz while NTSC reaches only up to 3.5 MHz. It is important that HDTV cables which connect devices together maintain a consistent impedance of 75 ohms. HDTV cables which do not meet proper specifications will cause ghosting or “ringing” of projected images because portions of the signal issues back and forth within the cable instead of being smoothly delivered to the screen.

Before purchasing analog HDTV cables, make sure that the device has been sweep-tested at least up to 105 MHz. Also, check that the impedance tolerance is 75 ohms within +/- 1.5 ohms.

Digital HDTV cables

Digital HDTV cables exist in SDI or Serial Digital Interface. However, this very strong cable is still commercially unavailable. In the market are the DVI (Digital Visual Interface) and HDMI (High-Definition Multimedia Interface ).

Bi-directional connection between computers and monitors is possible through dual-channel versions of DVI. These connections carry only video. Audio must be carried by other HDTV cables.

HDMI carries digital uncompressed audio between devices such as an STB and a display. Smaller connectors are used with HDMI. The HDMI HDTV cable allows for bi-directional interface also. HDMI uses a 19 pin connector for single link or a larger 29 pin connector for dual link.

Cables to interconnect DVI and HDMI devices are also available.

DVI and HDMI are characterized by very short cable lengths because they designed to house a copy-protection scheme. Digital HDTV cables use twisted-pair cable not coaxial cables which analog HDTV cables use. DVI and HDMI work without problems over short distances but some low-quality cables falter beyond ten feet.

Practically no digital HDTV cable works beyond fifty feet. Pre-formed DVI cables up to 10 ft. in length are available. Longer lengths require specialized materials and are expensive. Although digital interconnections produce highest video and audio quality, running over long distances is the limitation of digital HDTV cables.

Other cables

S-Video Cables. are used in some televisions to improve picture quality of NTSC signals. Audio must be interconnected separately using RCA cables. S-Video cables are available in any length.

F Cables are coaxial cables with F-connectors used to connect to antennas or satellite dishes to the TV cable system. Several possible cables are selected depending on the length needed. RG-59 is acceptable for short lengths but a low-loss cable is needed for roof-top antennas.

Mini DB 15 RGB Monitor Cables are used to connect PC to HDTV displays with analog RGB interfaces. These cables extend up to 5 meters. Special cables are needed beyond this length. Screw locks secure the connectors to warrant a firm connection.

Firewire/1394 is designed for digital video connections. Audio and video are carried together. The four pin version is the most common but six pin versions are also available for some devices. Prefabricated HDTV cables like these are up to 3 meters.

Dolby Digital audio in SPDIF format is frequently transmitted in optical form. Fiber link, an optical fiber cable which is also called “optical audio output cable”, may be employed to send these transmissions to the decoder in the audio system. Excessive bending or twisting of these cables must be avoided as not to break the fiber inside.

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Technorati Tags: HDTV Cables

Cables are crucial in making sure the listeners or viewer maximizes his homes video or audio system. Poor cables are normally susceptible to noise and interference that negatively affects the signals produced by the source unit. In addition, low quality cables will rob the consumers of all the benefits of investing a huge amount in a particular system.

A considerable number of A/V components do have all the cables needed in a setup, while there are those that contain a cable that is too long. Cables that included by a source manufacturer do not normally measure up to the quality of those made by aftermarket companies. Using the right cable is one of the needs in order to maximize your HDTV viewing pleasure.

Enter digital video interconnects

The development of digital video connections resulted from the adoption of digital video sources and displays. There are only two digital video options and these are HDMI cables and DVI cables.

HDMI and DVI cables will greatly benefit TVs that have a “fixed’-pixel” display. These cables allow video signals to remain digital up till they reach the screen. Digital pictures do have the snowy and grainy effects normally seen in analog pictures. Both cable types can carry HDTV video signals. The demand for the said cables has sharply increase over the past two years, as more and more people are using HD-compatible TVs and HDTV tuners.

Here are some of best selling HDTV cables in the market today.

Monster HDMI400

Attaining the best high-definition image and detailed sound is a big possibility when using the Monster HDMI400. This cable can be used with HDTV’s with a built in tuner or HD tuners. Information can be delivered by as fast as 5 gigabytes per second with HDMI.

Such speed means that a single HDMI cable can handle uncompressed multichannel digital audio signals and uncompressed high-definition video and have extra bandwidth.

The Monster HDMI400 HDTV cable uses a gas-injected dielectric that ensures minimal signal loss and optimal signal strength even on extended lengths. High-density triple-shielding rejects RFI and EMI noise, delivering a pristine signal to your components. The cable fully supports both 720p and 1080i HDTV video formats and multi-channel audio formats.

Specifications:

» signal strength runs at optimum level with its gas-injected dielectric
» signal transfer is seamless and corrosion is effectively avoided with 24k gold contacts
» noise rejection with high-density triple-shielding treatment
» lifetime warranty for the Monster HDMI400 HDTV cable
Arista HDTV cable

Those that have experience installing an HDTV system know that some components that can carry digital video signals with the use of a DVI connection, while others use HDMI connection. Arista’s HDTV cable ensures that digital video signals from various sources are properly transferred from one another.

The Arista cable for HDTV makes sure that signals flow cleanly and completely. This cable effectively rejects electronics interference from other signals, as it uses two layers of aluminum/Mylar spiral binding.

In addition, corrosion will not be a problem with its gold-plated tips. Connections are solid and strong with the DVI terminal’s thumbscrews and preserves signal transfer.

Specifications:
» male HDMI to male DVI connection
» 2 layers of aluminum/Mylar spiral binding for noise rejection
» 24k gold-plated tips for optimum better transfer and corrosion resistance
» pure copper center plates
» 90 days warranty

Monster HDMI400/DVI cable

Attaining the best high-definition image and detailed sound is a big possibility when using the Monster HDMI400/DVI cable. This cable can be used with HDTV’s with a built in tuner or HD tuners. Information can be delivered by as fast as 5 gigabytes per second with HDMI.

Such speed means that a single HDMI cable can handle uncompressed multichannel digital audio signals and uncompressed high-definition video and have extra bandwidth.

The Monster HDMI400/DVI cable HDTV cable uses a gas-injected dielectric that ensures minimal signal loss and optimal signal strength even on extended lengths. High-density triple-shielding rejects RFI and EMI noise, delivering a pristine signal to your components. The cable fully supports both 720p and 1080i HDTV video formats and multi-channel audio formats.

Specifications:

- connects components with DVI and HDMI video interfaces
- transfers standard-definition and high-definition digital video signals
- 24k gold contacts
- lifetime warranty

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Technorati Tags: HDTV Cables

High-definition television or HDTV sets were launched and introduced to the ever insatiable market in 1998. On its launch, HDTV spurred excitement among tech aficionados, sports fans and movie addicts.

You must be wondering why. Well, there is a pretty good reason for TV buffs to get excited about the advent of TV through HDTV.

HDTV started the rise of a television paradise because they boasted and impressed consumers with resolutions that are of superior and top quality. HDTV’s superior resolution of course, comes in pair and is complemented by equally superior digital surround sound.

Thus, movie buffs have been so happy and so hyper upon the introduction of HDTV. Now, they could play video movies and watch them in original widescreen format. Not only that, the wide-screen feature does not contain the so-called letterbox “black bars”.

Letter “black bars” that HDTVs eliminate are those spaces on wide-screen TVs that annoys people, especially the meticulous ones. It gives a perception that the screen is horizontally flattened out, sacrificing the vertical traction.

HDTV and the confused market

Unfortunately, there are already a lot of TV models and technologies that the introduction of HDTV made the array and selection of TV sets more and further complicated.

Consumers who now shop for TV sets find themselves surrounded and astounded by numerous abbreviations and a wide array of TV choices that on the downside confuse them, to a great extent.

Probably, you must have experienced being so confused about the numerous choices in TV sets nowadays. It only proves that the TV technology and industry is still growing and improving to meet the insatiable demands and tastes of the technology-thirsty consuming public.

Indeed, TV is still the most powerful media. Consistently rising sales of TV sets can attest to that.

From analog TV to HDTV

For decades, TV addicts around the world have watched TV through analog signals beamed and received by the cathode ray tube or CRT TV sets. Cathode ray tubes are the tubes that make up most of the TV screen.

Analog TV works in a simple and uncomplicated dynamics. The TV signal is beamed or transmitted using radio waves that when received by television sets are translated and converted into sound and pictures, the TV experience being communicated to the audience on the receiving end.

Conventional TVs’ analog signals reach TV sets through a cable connection, a satellite transmission or over the air. Because the technology so shifting into digital, analog covert digital signals into analog signals.

Thus, the movie played by your DVD players are converted by the analog TV into analog signals, so the picture will be compatible with the conventional TV’s screen.

However, consumers and movie addicts notice and have been complaining about how the picture and sound quality of DVD movies are lowered and altered when watched through an analog TV set.

That is when HDTVs get in. Because analog TV sets do not give out excellent viewing quality to meticulous viewers, HDTV, which spun off from digital TV and digital signal transmission technologies, attracted the market and lured TV set buyers.

Because HDTV is apparently and practically fitted and custom-made for digital broadcasts and transmission, it is the perfect equipment or TV set for viewing digitally transmitted signals, whether from the DVD player, from the digital cable operators and from digital over-the-air free television broadcasts.

HDTV perfectly renders a TV viewing experience that is optimally and sound-wise excellent. No matter how more expensive HDTV get compared to its analog TV counterparts, no wonder, people from all walks of life around the world still manage to get hold of it.

Buying HDTV sets

Buying HDTV sets is now somehow tiring and stressful. Don’t get it wrong. The weariness and stress people get from shopping for HDTVs comes from the disappointment to be not be able to bring home all the HDTV sets in the appliance shop.

HDTV is really an excellent form and new technology involving and evolving the well-loved television. The inventor of TV, John Logie Baird, must be turning upon his grave now, not with disgust, but with cheers and praises for what has become of his invention.

From TV’s invention in 1926, it now comes in the form of the modernized HDTV, which will certainly make past generations envy this generation.

The best things in life are for free. That is why, viewing the world through that little window called the television must really be an exciting experience for all viewers. Get your HDTV now!

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Technorati Tags: hdtv