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Digital TV is mandated to be deployed in the US within the next two years. Depending on how you get your signal, you may or may not be affected.

I hear with in two years TV, Radio Communications and maybe Computers will go from Analog to Digital. How will this change effect all the TV's, Radio Communication Devices and computers in use today???

Well, to begin with, I think you've overstated things a little. The only devices under imminent "digitalization" are televisions.

But even then, things aren't quite as bad as you think.

First, your computer is already a digital device. Not sure what parts of it you were thinking might be analog, (technically VGA-style video output and speaker/headphone output are analog) but there's nothing there that I know of that is going to be affected by any impending change unless perhaps you have a TV tuner card.

Radio, to the best of my knowledge, isn't changing any time soon. Consumer radio, most commonly the AM and FM bands on your radio, are probably going to be around for a long time. There are other bands used for other purposes that are already digital, but they were pretty much digital from the start, and are typically special purpose.

Of course any radio you listen to over the internet is digital. It may have been converted from an analog source, but in order to travel over the internet it's digital.

Television, however, is undergoing a change.

Here's a quote from the FCC website:

At midnight on February 17, 2009, federal law requires that all full-power television broadcast stations stop broadcasting in analog format and broadcast only in digital format.

OK, so what does that mean?

There are some things that are very easy to miss in that statement:

  1. This is happening in The United States. Other countries may or may not be imposing similar changes on a similar, or different, time schedule.

  2. This all about over-the-air programming. In other words, it only affects what you pick up with a plain TV antenna.

  3. This mandates digital TV, but does not mandate high-definition.

"If you get your television via Satellite or Cable ... it's more than likely you'll need do nothing."

OK, so knowing all that, what do you need to do?

  • If you live in a country outside the United States, check with your local broadcast regulation agency. It's quite possible you need to do something different, or nothing at all.

  • If you get your television via Satellite or Cable check with your provider, but it's more than likely you'll need do nothing. In many cases your signal is already being sent digitally, and being converted to analog for your TV by your cable or satellite box.

  • If you get your television using an antenna (over-the-air), then you'll need to either upgrade your TV to a digital-ready device, or purchase a converter box before the deadline.

Digital-ready TVs are available now. In fact, to quote the FCC again, "The FCC requires all televisions manufactured or imported into the United States after March 1, 2007, to incorporate digital tuners." TVs imported or created before that date which are analog-only are now supposed to have a warning on them when sold in the U.S. that indicates that they may not work after the deadline without a converter.

What about HDTV?

Nothing in the change discusses or requires that High Definition TV be provided. That being said, HDTV is a digital format and requires a digital-ready TV.

The good news is that many stations are broadcasting HD already in addition to digital SD (standard definition) along with their analog signal. Even better that number is only going to increase.

If you do get an HDTV with a digital tuner (built in or external) it'll be ready for both HD and SD broadcasts.

Article C3069 - June 28, 2007 « »

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Leo Leo A. Notenboom has been playing with computers since he was required to take a programming class in 1976. An 18 year career as a programmer at Microsoft soon followed. After "retiring" in 2001, Leo started Ask Leo! in 2003 as a place for answers to common computer and technical questions. More about Leo.

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9 Comments
Damon
June 28, 2007 11:05 AM

In the U.K the last Transmitter to switch to Digital only will be in 2011....

Us brits take a bit ore time with everything....

dunstergirl
June 29, 2007 10:09 PM

That seems to be the case (2011) in Canada also, thank goodness because I have an ancient non-digital TV and really DISLIKE being forced to upgrade...bad enough to have to do it with computers and software all the time.

And I wonder how the switch will affect folks like us, far enough from the transmitter (yes, I still use an antenna to get 5 or 6 channels depending on weather etc.) that the signal is never the best anyway. So will digital make it better, or will we not be able to see it at all and be forced to get satellite?

And what's with that anyway - why do governments feel compelled to force broadcasters (and hence citizens) to upgrade to digital TV even though we've never had a voice in the process?

Cheers,
Lelani

jensen
December 3, 2007 3:47 PM

I think it is terrible that they make the people of the U.S. do this. This is just for money so that you have to buy the box or a new TV. What is wrong with what he have. Many people do not have jobs and if they have several old TV's that have to get a boxs for each and if you cannont attach the box to make yours work YOU ARE OUT OF LUCK. They should be able to both systems and let the 3 million people keep their old TV's WHO DO NOT HAVE CABLE. All this is a money making business. The public have nothing to say as poeple above us in office have the first say so. If they need that channel, create a new system just for that and let us alone with what we have..

Christine
June 5, 2008 1:13 PM

Okay, I am so very informed of this digital transition that I feel like a little info overload. I have had satelite for years since we live in no-where-ville. However, I have an Emerson weather band radio with TV sound. I use it when the satelite goes out in foul wx (Oklahoma). What I am not finding an answer to is will I be able to hear TV on my radio when the broadcast goes digital? If not, then where does that leave those of us who rely on non-tv based news updates?

Leo
June 6, 2008 9:24 AM

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

I believe that old radios that recieve TV audio-only will no
longer work.

I'm hopeful that new digital versions of those radios will
be made available.

In the mean time, the only alternative I can see is to just
listen to actual radio stations and not TV.

Leo


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Sonja
November 3, 2008 9:18 AM

My converter box and new upgraded antenna are installed, but some channels only come in if I have my hands on the antenna. What's up with that?

Sounds like you're not getting a strong enough signal on the antenna. Too many variables for me to say what to do, but that's the thing to focus on.
- Leo
04-Nov-2008

Deb
January 28, 2009 1:18 PM

Dumb question I'm sure but I currently pay for premium HD channels through my local Cable provider. With this change over, will everyone who has an HD set get these for free?

No. The change only affects people getting things via antenna, and does not change what they get, only how they get it.
- Leo
29-Jan-2009

Mark Sherman
June 12, 2009 11:53 AM

I am only 31, but I too find it frustrating. I have a portable TV and a radio, with a tv band on it. I use the portable tv when the power goes out at home. Now I will have to spend $200 for a new digital portable tv. I too started a new less paying job, I don't know when I will be able to get one. In addition, they also say we may need a new antenna. They cost about $20. Are they going to give us a coupon for that. nope. And as far as the radio goes, I realize a lot of people have ipods or can use radio via computer, if your job lets you. But I spent $70 on my radio/tv band, and it still works great, but now I can only listen to radio. I don't like Ipods and I hate having things in my ears. Just because the government says its for our own good, doesn't mean it is. I hope they don't conjure up anything else we'll have to pay for until, the economy is completely better. Technology, whoopee!

Rick Allen
June 20, 2009 9:58 AM

For people like me who listened to TV on their special radios with TV band tuners, there is a way to listen to digital TV without getting a TV. You have to be able to receive the Digital TV signal in your area. Just get one of those government subsidised converter boxes. And it actually functions as an audio tuner/radio. All you do is add headphones. So, get one of those digital converter boxes paid for with the government issued coupon. Make sure it is a model with with the two audio OUT plugs on the back. (Most have this I believe) Then hook up an antenna. Then you hook up your headphones to the back of the digital converter box using two adapters from Radio Shack. (The radio shack people will get you them. Then you connect up a tv (one time only) navigate to the auto scan and scan in all your stations. Then get rid of the tv and just use the converter box remote control to tune in stations and adjust the volume. The sound is great. And all you need is a converter box, the headphones, antenna and those audio cable adapter. HEre's a website I created today to see a picture of the setup, the adapter and the instructions. I hope it helps people since FCC and no one else is providing any good answers on this problem since the transition.
-Rick Allen

http://www.lustronconnection.org/digitaltvonradio/

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