HDTV Systems
Buy The Best
Navigation
HDTV Basics
Choosing an HDTV can be tricky . You can't just go into Circuit City or Best Buy for 20 minutes and come out with a plug n play HDTV. Several things need to be carefully considered:
First, resolutions: 1920 x 1080 pixels (1080i and 1080p) or 1280 x 720 pixels otherwise known as 720p. There's not a whole lot of difference between 1080 or 720. These numbers refer to how many rows of picture elements or pixels there are.
Just like a puzzle, each pixel is like a very small piece of your picture. Regular ol TVs only display 330 rows of pixels so when you move up to HDTV, you're going to notice a big improvement in the clarity of your picture. The 'p' in 1080p or 720p is short for 'progressive'. 'Progressive' means the whole picture on the screen is refreshed all at the same time in 1/30th of a second.
The 'i' as in 1080i or 720i is short for 'interlaced'. Regular TVs are interlaced too. 'Interlaced' Screens are refreshed too but it's done in two stages: first the odd rows of pixels are refreshed and then the even rows are refreshed.
Naturally, a one-pass screen refresh would create a much cleaner, clearer, sharper picture than an interlaced screen. This helps when you're watching sports events or fast-action events; otherwise, you probably won't notice much difference in the pictures.
HD signals from your service provider are broadcast in 1080i. Some broadcast in 720p. As of April, 2007 there were no 1080p broadcast signals commercially available although by 2008 that may change. Your HDTV will convert the signals received from your service provider to match the resolution of your HDTV. Look forward to 2008 when more 1080p broadcast signals will be commercially available.
Most HDTV screens measure 16 inches horizontally to every 9 inches vertically. Standard TV screens measure 4 inches horizontally for every 3 inches measured vertically. This affects your picture. HD broadcasts usually are 16 to 9 but most TV broadcasts are still 4 to 3. That's why many TV shows seen on a HDTV screen will have bar lines on either side of the screen.
To receive HD broadcasts, you may need an HDTV Tuner. Most sets include tuners, but if you have an HDTV 'Monitor', there won't be a tuner built-in. The good news for 'monitor' buyers is that if you have cable or satellite service, they will provide or rent you the tuner. This saves money. To receive over-the-air signals, you'll need a set with a tuner. You'll also need to buy an antenna. Here's a great place to do that:
HD sets come in various flavors: projection set, plasma, LCD and CRT. They're all pretty good but each has disadvantages. For example,Projection TVs are bulkier and heavier than plasma and LCDs and you can't mount projection sets on the wall like you can with plasma or LCD screens. However, projection sets are usually less expensive than the others. DLP or Digital Light Processing are the most common projection sets. There are also LCOS (liquid crystal on silicon), LCD (liquid crystal display) and CRT (cathode ray tubes). With DLP, you may notice a rainbow effect.
Most people in the know get Plasma or LCD sets because they're lighter and can be mounted on a wall. It used to be that LCD screens were hard to see at some angles. Those problems have been largely eliminated or improved. LCDs in particular use less power which is a plus for energy-conscious consumers. LCDs also used to have problems with blurry pictures. If you decide to get an LCD set, get one that has a fast refresh rate or response time; something like 8ms (milliseconds) or faster if you can. That way, you'll eliminate blurry pictures. LCDs are popular and smaller LCDs sell for less than $1,000. Larger LCDs are generally more expensive than plasma sets. Plasma sets have beautiful picture quality but the smallest set is 37 inches. If you need something smaller, go for an LCD.
Reflections are the main problem with plasma sets. If you get one, put it in a low-light room. The other problem with plasmas is 'burn-in' . The picture or a reflection of the picture tends to stay on the screen so for example if you pause or freeze and image, you'll find that it kind of burns into your screen and you'll see it there for some time afterward.
CRT sets can offer the best picture quality of all but they are huge and heavy, bulky and unwieldy. Who wants to carry a two-hundred pound behemoth up two flights of stairs or even 100 feet from a driveway. If you go with a CRT, make sure you have the space and get someone to help you move it around. CRT technology is disappearing fast. CRTs use a lot of energy.
Prices for HDTVs are falling month to month it seems. As they become more popular, you'll be able to get them for cheaper prices. It might be two or three years before the prices stabilize at lower levels though. By then, manufacturers will begin putting all kinds of value-added bells and whistles on the newer sets in an attempt to keep prices high.
Leave a comment | View Comments
satellite tv to pc software Videos
Satellite TV Service News
TiVo Victory Seen Boosting Royalty Revenue Streams >TIVO - Wall Street Journal
 PC World | TiVo Victory Seen Boosting Royalty Revenue Streams >TIVO Wall Street Journal TiVo stands to collect $300 million from satellite TV-provider Dish and sister company EchoStar in damages. More importantly, TiVo could be able to gleam as ... TiVo Wins Court Ruling Against Dish, EchoStar Analyst: Dish May Have To Shut Down 8M DVRs After TiVo Legal Loss TiVo releases big new DVR… ho hum |
EchoStar to Acquire Mexican Satellite Operator Satmex - CNNMoney.com (press release)
 Space News | EchoStar to Acquire Mexican Satellite Operator Satmex CNNMoney.com (press release) MVS Multivision service was launched in 1989 as the first television system with MMDS technology (microwave transmission) that became one of the fastest ... EchoStar Agrees To Acquire Mexico's Satmex EchoStar, MVS to Pay $267 Million for Satellite Operator Satmex |
Dish Network closing Pittsburgh-area call center - Lebanon Daily News
Dish Network closing Pittsburgh-area call center Lebanon Daily News Satellite TV provider Dish Network is closing a customer service call center near Pittsburgh, idling 600 workers. Dish Network says the center in McKeesport ... |
Mediaquest earmarking P700m for satellite TV - Manila Standard Today
Mediaquest earmarking P700m for satellite TV Manila Standard Today Cignal Digital TV, Mediaquest's direct-to-home satellite television service ended 2009 with 45000 subscribers nationwide after barely five months of ... Cignal TV Targets 200K Subs |
Wal-Mart Is Said to Be Buying Vudu, a Movie Service - New York Times
 New York Times | Wal-Mart Is Said to Be Buying Vudu, a Movie Service New York Times ... HDTVs sold in the United States last year can go online to pull in movies and television shows, bypassing traditional cable and satellite TV service. ... Wal-Mart to Acquire Vudu Walmart buys Vudu Wal-Mart acquires online movie service Vudu |
Lcd Hdtv Information
Top Links
Samsung 42 Plasma Hdtv Links
Philips hdtv
Samsung projection tv
Samsung hdtv tuner
Hdtv antenna
Tv antennas
Samsung tvs
Samsung 19 lcd hdtv
Flat screen hdtv
Samsung 32 lcd hdtv
Samsung hdtv 1080p
Samsung plasma hdtv
Samsung plasma
Lcd hdtv
Samsung 32 inch hdtv
Samsung lcd hd tv
| |
| |
| |
| |
| |
