Government mandating digital television information astig ng dating mo pare

Contact your local TV station and find out what channels contain digital broadcasts. (This is NOT the same as a cable set-top box.) The digital-to-analog converter goes between your antenna and the TV, and will convert the new digital broadcast signal to an analog signal that your analog TV can understand.If you can tune into those channels, you've got a digital TV tuner, and you don't need to do anything. Get the make and model of your TV and check it out on the manufacturer's website, or ask at a local electronics store. And there's no reason you can't keep those old TV's in the basement or your camper, with a VCR or DVD player hooked up.An analog signal is a continuous electrical wave that varies in response to changes in the sound or image being transmitted. The original information is converted into a series of ON/OFF signals (bits) before being transmitted, sort of like Morse code. Digital signals can be sent for longer distances and are less prone to interference than analog signals.And since a digital signal is just a string of numbers, it can be reproduced exactly, an umlimited number of times.Another requirement states that all TVs sold after May 25, 2007 must have a digital tuner, or be clearly labelled as not having one.So if you bought your TV within the past year or so, it's almost certainly digital.There are many TV stations that broadcast HD signals over the free public airwaves.See Free HDTV on Your PC for related information.) Here's a little semi-technical information on the difference between analog and digital TV signals, and why a digital signal is preferable for television broadcasting.

In addition, digital TV allows for interactivity that is not possible with analog technology. The switch from analog to digital only applies to full-power TV stations, which use the public airwaves for over-the-air broadcasting.

Local "low-power" and "translator" television stations in certain rural and urban areas can continue to broadcast in analog format indefinitely. Some digital-to-analog converter boxes lack a feature that allows the low-power signal pass through to the analog TV.

If you need to receive BOTH digital and low-power TV signals, make sure you get a converter box that has the "pass through" feature. Standard-definition TV can be broadcast in either analog or digital format. High-definition TV (HDTV) can also be broadcast in either analog or digital format. Just remember, the "D" in "HD" does NOT stand for digital.

For 80 years, over-the-air television signals have been broadcast in analog format.

But a new federal law in the USA mandates that television stations must broadcast in digital format only, beginning If you get your TV signal from a Cable, Satellite or Fiber-Optic service provider, you are NOT affected, even if you have an analog TV.

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At some point in the future, all television channels will broadcast in High-Definition, but that's not likely to happen any time soon.

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