What You Need to Know About HDTV

High-definition television (HDTV) is digital television (DTV) with a much higher resolution than traditional analogue TV. All TV is being switched to digital between now and 2012. (The transition date varies by region.) More information on the transition to digital TV is available at Digital UK.

HDTV: The Future of TV
In the new digital era, broadcasters will offer HD resolution over-the-air, including HD-quality picture and cinema-quality sound that far surpasses the picture and audio quality of the current system.

Networks will continue to broadcast in multiple resolution-formats for some time but, as more and more HD programming becomes available, there will never be shortage of breathtaking digital entertainment for your new HDTV.

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Important Things to Know:
• High-Definition refers to resolution—the number of horizontal lines that can be displayed on the screen—not the technology upon which the TV is based.

• Virtually all TV stations are now broadcasting digitally, with analogue broadcasts expected to end between now and 2012 (depending on the region). To aid in the transition, manufacturers and service providers are producing reasonably priced converters, so that analogue TVs can continue to receive over-the-air signals, even after analogue is a thing of the past. Nonetheless, upgrading to a digital TV is the only way you’ll be able to experience the great benefits of digital broadcasts (such as theater-quality sound and HD picture quality).

• Digital cable is not necessarily HDTV. This is a common misconception. Digital cable is usually analogue-grade television that’s been digitised and sent, via cable, as a digital signal. Digital cable’s picture and audio quality is superior to standard analogue cable, but it is still inferior to breathtaking HD picture and audio.

What Is the Difference Between a Digital TV and an HDTV?



Digital TV
Televisions (the combination of a display and a receiver) in the digital world are known as Digital TVs (DTVs). Digital television eliminates snow, ghosts, and interference, among other benefits.

HDTV
TVs that receive digital TV broadcasts of 720 or more progressive lines (rows of pixels, as measured vertically), are called High-Definition TVs, or HDTVs. High-Definition TV encompasses the following screen resolutions: 720p, 1080i, and 1080p. HDTV is the fastest-growing segment of the digital TV (DTV) market—delivering breathtaking pictures and sound.

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