What is digital television (DTV)?
Digital television (DTV) is a new type of broadcasting technology that is transforming television as we now know it. By transmitting the information used to make a TV picture and sound as "data bits" (like a computer), a digital broadcaster can carry more information than is currently possible with analog broadcast technology. The difference between analog and digital broadcasting is similar to that between compact discs and cassette tapes.
Digital TV offers a better viewing experience with vastly improved picture and sound quality. DTV is also more efficient than analog TV technology so broadcasters will be able to produce additional signals using the DTV system.
What is analog television?
Analog television service is the traditional method of transmitting TV signals and has been the standard broadcast technology since the inception of television. Analog television service isn’t as efficient as DTV. It uses up much more valuable spectrum that - once the DTV transition is completed - will be provided to public safety organizations, such as first responders including fire and police departments. Remaining spectrum will be auctioned off for the production of new services.
Analog broadcasting will continue until the end of the transition period, which currently is set for February 17, 2009. Most television stations will continue broadcasting their programming in both analog and digital signals until then.
What are the benefits of digital television?
Digital technology allows the transmission of pictures with higher resolution for dramatically better picture and sound quality than currently available. DTV also allows the transmission of several TV programs at once - called "multicasting." DTV technology can also be used to provide interactive video and data services that are not possible with "analog" technology.
An equally important, but often overlooked benefit of DTV is that it will free up scarce and valuable spectrum for public safety and new wireless services. This is possible because the modern technology of DTV is more efficient than analog TV technology, allowing for many new and critical uses of this very limited resource.
What is the digital TV transition?
The digital TV (DTV) transition is the switch from traditional analog TV to digital TV, a modern technology with many benefits. February 17, 2009 is the deadline by which traditional analog TV service will be shut off. The DTV service will be what remains. Most television stations are currently broadcasting their programming in both analog and digital until February 17, 2009. Analog television sets receiving free, over-the-air programming will still work after that date, but owners of these TVs will need to acquire converter boxes to change digital broadcasts back into the old analog format. Converter boxes will be available from consumer electronics retailers at that time. If you’re a cable or satellite subscriber, you aren’t likely to be affected by the DTV transition, but you may want to check with your cable or satellite provider if you have questions about your service
When will the DTV transition be complete?
The final transition is February 17, 2009. At that point, broadcasting of the current "analog" channels will end and the spectrum that had been used for analog transmission will be put to other uses. Until the transition to DTV is complete, television stations will continue broadcasting on both their digital and analog channels.
Will I need a new TV?
Your current television will work as it does now until analog broadcasting stops. Even after the transition is over, your current TV will not become obsolete. A set-top converter box can be used to receive broadcast DTV signals and change them into the format of your current television. In addition, if you use your analog set with a pay service like cable or satellite, it should continue to work as it always has.
How do I get a set-top converter box for my analog television?
By early 2008, set-top converter boxes will be available for purchase at electronics retailers. The cost of the box is expected to range from $50-70.
Beginning on January 1, 2008, U.S. households can request up to two coupons for the converter boxes, which will be valued at $40 each. Coupons will be mailed via the U.S. Postal Service, and consumers will have approximately three months to redeem them. Consumers who wish to retain their analog television sets may also switch to a cable, satellite or telecommunications service provider.
What is the Digital-to-Analog Converter Box Assistance Program?
On February 18, 2009, broadcast television stations will stop analog broadcasting and complete the transition to digital broadcasting. If you don’t subscribe to cable or satellite services, you’ll need either a television set capable of receiving DTV programming, or a digital-to-analog converter box.
Digital-to-analog converter boxes will make DTV signals viewable on analog TV sets. These converter boxes will be available in retail stores during the transition. The National Telecommunications and Information Administration (NTIA) of the U.S. Department of Commerce is developing rules that will allow households to obtain coupons that can be applied toward the purchase of digital-to-analog converter boxes. For more information on the Digital-to-Analog Converter Box Assistance program, visit NTIA's DTV Coupon FAQ.
How can I prepare for the DTV transition?
Preparing for the DTV transition is easy and requires one of three steps by February 17, 2009: