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HDTV: Everything You Need to Know

by Steve Kindig HDTV has arrived. Millions of people are already enjoying its crystal-clear picture and sound, and you could be, too. HDTV is the most exciting part of America's transition from the 65-year-old analog TV broadcasting system to an all-digital system.

There are hours of HDTV programs on every night of the week. Those are the shows with an onscreen message at the beginning: "Presented in high definition where available." Some viewers see that message and mistakenly think they're seeing HDTV on their 15-year-old set. It's not quite that simple. To experience true high-definition television in your home, you need a source of HDTV signals, a tuner to receive and decode those signals, and a high-performance display screen that can reproduce the remarkable detail and color of HDTV images. Many people have invested thousands of dollars in an HDTV without giving much thought to what they'll be watching on it. This article will help you put all the pieces of the puzzle together so you can avoid costly mistakes and experience the full magnificence of HDTV. How to find HDTV signals in your area The three basic ways to receive high-definition programs are described below. Once you know what type(s) of HDTV signals are available, you'll have a clearer idea of what equipment you need to watch them. Over-the-air broadcasts: Digital TV broadcasts are currently being transmitted by over 1500 local stations across the country covering over 99% of U.S. TV households (as of 1/06). Over 90% of digital stations broadcast in the normal UHF range (channels 14 through 83), so you can receive them with a standard UHF antenna. For antenna info that's specific to your address, visit the Consumer Electronics Association's antenna selector website. What you need: HD-compatible TV HDTV (ATSC) tuner � separate unit or built into TV indoor or outdoor UHF or UHF/VHF antenna local HDTV broadcasts (they're free!) Cable HDTV: Cable TV providers now offer the option of HDTV service to about 90% of subscribers, especially those living in medium- and big-city TV markets. Don't confuse "digital cable" with HDTV via cable. Digital cable usually means that you get more channels, and the picture quality may look a little better than regular cable, but it's not HDTV. If your cable provider does offer HDTV, you'll probably need to upgrade your cable box to an HDTV-capable model. What you need: HD-compatible TV HD-compatible cable box (or TV with built-in digital cable tuner: QAM or CableCARD-ready) HD programming (subscription required) Most new HDTVs include a built-in "QAM" digital cable TV tuner, which lets cable subscribers watch most unscrambled cable channels without using a set-top box. CableCARD-ready TVs offer access to additional programming via a special card slot designed to accept a CableCARD�. This CableCARD is a removable security card that allows the TV to receive premium (scrambled) digital cable programming without using a set-top box. The CableCARD doesn't duplicate all cable box features and capabilities, and fewer new HDTVs have a CableCARD slot due to lack of support by cable companies. Contact your local cable provider for details regarding the availability and costs of CableCARD-related services. Digital satellite TV: If you live in the contiguous 48 states and have a clear view of the southern sky, you can probably receive HDTV programs via satellite. Both DIRECTV� and DISHNetwork� currently offer around 70 HDTV channels, if you include pay-per-view channels (as of 11/07). Viewers who live in large cities may be able to get their local stations in HD via satellite, too. Otherwise, some combination of satellite/antenna or satellite/cable may be necessary to receive the exact channel mix you desire. What you need: HD-compatible TV HD-compatible satellite receiver HD-compatible satellite dish HD programming (subscription required) High-definition picture quality quickly grows addictive, and many HDTV owners are impatient with the limited amount of HD material available from the sources mentioned above. With the introduction of two high-definition disc formats � HD DVD and Blu-ray � we can finally enjoy high-def versions of our favorite movies whenever we want.

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Sound And Vision

Sony Taking 240-Hz HDTV Tech into Production (PC Magazine)

Sony unveils the first production 240Hz LCD HDTV at the 2008 CEDIA Expo.

Austria launched HDTV with NTT Electronics’ AVC/H.264 (Digital Media Europe)

NTT Electronics has announced that its AVC/H.264 HDTV/SDTV encoders/decoders HV9100 Series was used by the Austrian Broadcasting Corporation for its first HD sports coverage.

News Panasonic 32-Inch LCD HDTV: $505 (TVPredictions.com)

The set is 37 percent off suggested list. Washington, D.C. (September 4, 2008) -- Amazon.com is now selling a Panasonic 32-inch LCD HDTV for just $505 -- 37 percent off the suggested list price.

Samsung 46-Inch 1080p HDTV: $1,670 (TVPredictions.com)

Amazon.com is now selling Samsung's 46-inch 1080p 120Hz LCD HDTV with RED Touch of Color, available today for $1,670 -- 24 percent off the suggested list price.

Samsung 40-Inch 1080p HDTV: $1,249 (TVPredictions.com)

Amazon.com today is selling Samsung's 40-inch 1080p LCD HDTV for $1,249 -- $450 off the suggested list price. The flat-panel set, model LNT4061F, has a contrast ratio of 10,000 to 1, 3 HDMI inputs, a swivel stand and a 1920 x 1080 picture resolution.