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Why are TV broadcasters switching to DTV?
DTV broadcast technology is more flexible and efficient than today's
more widespread broadcast technology, which is called "analog".
For example, rather than being limited to providing one analog programming
signal, a broadcaster will be able to provide a sharp "high definition"
(HDTV) program or multiple "standard definition" digital
programs simultaneously. Providing several program streams using the
digital spectrum is called "multicasting." The number of
programs a station can send using the digital spectrum depends on
the level of picture detail, also known as "resolution"
in each programming stream. DTV can provide picture resolution, interactive
video, and data services that easily surpass the capabilities of "analog"
technology. Converting to DTV also will free up parts of the scarce
and valuable broadcast spectrum. Those portions of the spectrum can
then be used for other important services, such as public and safety
services (police and fire departments, emergency rescue), and advanced
wireless services.
When will the DTV transition be complete?
TV stations serving all markets in the United States are airing digital television programming today, although most will continue to provide analog programming through February 17, 2009. At that point, full-power TV stations will cease broadcasting on their current analog channels, and the spectrum they use for analog broadcasting will be reclaimed and put to other uses.DTV Resources
How do I get DTV?
Receiving DTV signals over the air requires an antenna and a receiver that can decode the digital signals. In general, an antenna that provides quality reception of over-the-air analog TV signals (VHF and UHF) will work for DTV reception.Cable subscribers may need new DTV equipment to view DTV programming in digital format. You should ask your cable provider what you will need and when.Cable subscribers may buy a "Digital Cable Ready" (DCR) or "Plug-and-Play" television that plugs directly into the cable jack and does not require a separate set-top box. In order to receive scrambled programming and premium one-way services, cable subscribers with a DCR TV will need to obtain a CableCARD from their cable company. Alternatively, cable subscribers may lease a separate set-top box from their cable provider or buy one at a retail outlet. Satellite subscribers may need new DTV equipment to receive and view high-definition digital programming. You should ask your satellite company what you will need and when. A list of the operating DTV stations is available at www.dtv.gov. Satellite TV providers and most cable television systems are currently offering DTV programming. Subscribers should check with their service providers to see what programming is available in their areas.
Will I need a new TV if I have an analog TV?
When full-power broadcast stations stop analog service, you still
will be able to use your analog TV with a set-top converter box. Converter
boxes for analog TVs receiving over-the-air broadcasts will be available
in retail stores at that time. These boxes receive digital signals
and convert them into analog format for display on your analog TV.
Beginning in 2008, your household may be able to obtain up to two
coupons worth $40 each toward the purchase of converter boxes. The
National Telecommunications and Information Administration (NTIA)
has responsibility for administering the coupon program and will issue
rules regarding the coupons. Additional information can be found at
www.ntia.doc.gov.
If you are a cable or satellite subscriber, contact your provider
about whether you will need a converter box for your analog TV.
What about digital receiver availability and FCC tuner requirements?
Remember, even with a set-top converter box, your current analog
TV will not display the full picture quality of DTV. To enjoy the
full picture quality, you must have a DTV set or a separate DTV receiver
and a digital display monitor. The FCC requires that many new television
receivers sold in the U.S. today include the capability to receive
digital TV signals. By March 2007, all TVs (and other devices that
are designed to receive broadcast television signals) are required
to have digital tuners built in.
What do DTV sets look like, and what will they cost?
Most DTV sets have wider screens than current analog TVs. The wider screens allow for wider images that are similar to those you see in a movie theater. DTV sets come in a range of sizes. As with most new consumer electronics technologies, DTV sets have become less expensive since their introduction a few years ago. Prices are expected to continue to fall over time and will vary depending on screen size, display technology, and other features.What is the difference between Integrated DTVs and digital monitors?
An Integrated DTV set is a digital television with a built-in digital receiver and decoder. If you have an Integrated DTV and live in an area served by a DTV broadcast station, you only need an antenna (preferably an outdoor antenna) to receive over-the-air DTV broadcast programming. Integrated TVs also can receive and display current analog signals. In contrast, a digital monitor is not capable of receiving and tuning DTV programming without additional equipment. A DTV set-top box must be connected between the antenna and the monitor to receive and display DTV programming that is broadcast over the air. Also, if you are a cable or satellite subscriber, you may need a new set-top box to receive digital broadcast content. Confirm with your retailer that the DTV receiver or set-top box is compatible and has the proper connectors to interface with the DTV monitor that you are purchasing. Many monitors have a built-in analog receiver and can display analog TV programming. They also can display video from DVD players and VCRs through their connectors.Will Integrated DTVs and Digital Monitors Display HDTV?
Integrated DTV sets and digital monitors do not necessarily display programming in full HDTV format. Some integrated sets and monitors will display DTV in lower-resolution “enhanced definition” or "standard definition” format. So although sets may be marketed with labels or descriptions that imply HDTV resolution, check with your retailer before purchasing if you want HDTV quality.Why can't we have both DTV and the TV system we now have?
Broadcast and wireless services depend on the use of the airwaves. DTV technology is much more efficient than the current analog technology and will allow the broadcast of more program content using less broadcast spectrum. Transitioning to digital broadcasting will free up resources for public safety and other new and innovative services for American consumers.