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Mainly to free up radio frequency spectrum. An analog picture uses 4.5 megahertz for the video and sound and a satellite transponder is typically 8 Mhz. wide. With the new digital system, it's possible to transmit up to eight separate TV channels in the same bandwidth on the transponder using a system called, `multiplexing`.
What else can I help you with?
What agency gave the OK for national digital TV?
The FCC and the Congress.
How did digital television change the world?
It would not appear that digital television has changed the world, yet.
How long to change over to digital TV?
Feb 2009
Why is the change to digital?
so tv companies can force you to purchase high priced digital tvs, its just 1 big scam
What companies make a digital tv tuner?
For people with older, analog television sets, a digital TV tuner is a necessary accessory in order to receive modern TV signals. Two companies that manufacture digital TV tuners are Haupt and Leadtech.
Why did you have to change to digital TV?
The move to digital television broadcasting reflects the change in production, storage and viewing of television content. Digital transmission adds features that analog services are unable to support and there is a flexibility in the use of transmission bandwidth that is also not possible with analog broadcasts. As far as the viewer is concerned, digital television broadcasts allow far more channels to be received and normally with better image quality than seen with analog.
How do you change one type of digital broadcast standard into a different digital broadcast standard?
If you mean 720 to 1080, If the TV is capable of 1080, it's done automatically in the TV set.
What channel is CW Time Warner cable?
The channel moved to Time Warner's digital channels. TV Guide decided to get away from the channel listings and focus more on their own programming. With the change in channel numbers comes a change in who is able to watch the TV Guide channel on Time Warner. In order to view the digital channels, viewers need a digital box connected to each television at an extra cost.
What is the history of digital television?
The time it took to change analog television signals to all digital took about 25 years. It started around 1986 and many television stations had converted over to digital signal by the year 2010. Persons who owned analog televisions had to either buy a new digital television or use a converter box to get a clear signal.
What does a digital signage player do?
Digital signage are electronic displays which can be used to show ads, timetables, clips and more. In order to offer digital signage one needs hardware, for example a big TV, and software. The software is called digital signage player and presents the information on the TV.
Will your digital television that's receiving an analog signal from comcast be a clear picture digital signal when you go digital in 2009?
Only if you have a digital output on your cable box. If not, it'll end up being a digital signal, converted to analog and then reconverted by your TV back to digital. Besides, the digital changeover date is only for local television stations when they turn off their analog transmitters. This means that if you currently have cable or satellite with analog outp[uts, that aspect of it shouldn't change.
When everything goes digital, how will I know if my television will work?
All televisions sold after March 1, 2007 include a digital tuner (by law) so you are good if you have bought a TV since then. If your television is labeled as �Integrated Digital Tuner,� �Digital Tuner Built-In,� �Digital Receiver,� �Digital Tuner,� �DTV,� �ATSC,� or �HDTV� then it has a built in device that will be fine after Feb. 17, 2009. If your television set is labeled as a �Digital Monitor� or �HDTV Monitor,� or as �Digital Ready� or �HDTV Ready,� this does not mean it actually contains a digital tuner. All this means is this TV is capable of handling the converter box. Thus, you still will likely need a separate set-top box which contains a digital tuner in order to view over-the-air digital programming.
