4Savvy Shoppers Electronics Insider Pick::What is HDTV?

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What are DTV and HDTV?
Since High-Definition Television (HDTV) designates the highest-quality display formats defined in the Digital Television (DTV) standard, it's important to first understand the implications of digital TV broadcasting.

DTV is a new, more advanced way of delivering televisions signals to your home — whether over the airwaves or via satellite or cable-based systems. It's intended to eventually replace analog TV broadcasting altogether; in fact, according to the current schedule, all TV stations in the United States are mandated to begin providing digital programming to their viewers no later than 2006. Thus, the changeover to digital TVs and digital source components is inevitable, and in fact is already well under way. We'll all be enjoying the benefits of this new technology very soon, and a new TV will be part of the equation.

What's meant by "HD-Ready"?
Some HDTV sets on the market incorporate HD-capable displays coupled with a built-in HDTV tuner to receive over-the-air HD broadcasts (currently available only in certain markets, these broadcasts are becoming increasingly common as the 2006 digital-broadcast deadline approaches). Often referred to as integrated HDTVs, these models are indicated by the designation "with Built-In HDTV Tuner."

However, the vast majority of HD-capable TVs on the market are what's known as HD-ready TVs (or HDTV monitors) — high-definition displays, often including one or more built-in NTSC TV tuners for reception of conventional analog TV broadcasts, but which must be connected to a separate HD source in order to realize their full potential.

Since most current HD content is delivered via satellite or cable systems rather that over-the-air, some consumers (especially those who reside in areas where over-the-air HD content is not yet available) consider an HD-ready set to be the best solution for their current and future needs. But to experience HD broadcasts (where available) right out of the box with no additional investment, a built-in HD tuner is the ticket.

Like HD-ready models, integrated HDTVs generally provide exhaustive connectivity options, so you can always add cable or satellite sources as well to broaden your HD options. Conversely, over-the-air HD tuners are also available in stand-alone set-top boxes, often combined with cable and/or satellite reception capabilities. Obviously, there are lots of ways to achieve your desired HD viewing experience, so we advise you to weigh various factors (including cost, convenience, and content availability) before making your decision.


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