tibbitts wrote:1. To convert analog cable (I'm told analog cable will remain available, indefinitely) to a digital TV? If your new TV lacks an analog tuner, how will it receive analog cable?
2. Only to receive the new over-the-air broadcast signals?
tfb wrote:Do you need digital antenna to work with this converter? If yes, where do you get that?
Will I need a special antenna to receive DTV over-the-air?
In general, dependable reception of over-the-air digital TV programming will require the same type of signal reception equipment that currently works to provide good quality reception of analog TV programming. If you need a roof-top antenna to receive analog TV broadcasts, the same antenna generally will work to receive digital TV broadcasts. You should not have to purchase new antennas that are marketed as “digital ready” or “HD ready.”
tfb wrote:Do you need digital antenna to work with this converter? If yes, where do you get that?
tibbitts wrote:Sorry, I still don't get it. If there is a difference between analog and digital tuners, how will a digital-only TV receive analog cable signals?
Paul
ted123 wrote:If you have an analog set, but receive your signals from your cable company, the transition doesn't affect you because the cable company converts the digital broadcast to analog for you.
AFAIK, all TVs on the market currently have both analog (NTSC) and digital (ATSC/QAM) tuners.tibbitts wrote:Sorry, I still don't get it. If there is a difference between analog and digital tuners, how will a digital-only TV receive analog cable signals?
Paul
indexfundfan wrote:I remember reading somewhere that cable companies are required to convert until 2012 (?) or so. After that, all bets are off if they will continue to do the conversion.
preserve wrote:indexfundfan wrote:I remember reading somewhere that cable companies are required to convert until 2012 (?) or so. After that, all bets are off if they will continue to do the conversion.
I've been researching this a bit. I have yet to find anywhere, that there is any conversion law for cable.
The main reason for the Over-the-air conversion law is so that the government can collect more revenue through the auctioning of the broadcast rights.
cable operators will have two choices come February 2009. They can either convert the digital SD signal to analog SD and pipe it across their lines (which means using more bandwidth and carrying three versions of a single channel) or they can offer digital SD only and roll out converter boxes to all their subscribers (which could be expensive).
indexfundfan wrote:[Either way, cable companies need to support analog TVs until 2012. Without this ruling, I believe cable companies would have cut off the analog transmissions to save on bandwidth as well.
nisiprius wrote:On the other hand, the chips to do the DTV-to-analog conversion are probably not very expensive. They can retail-price a converter box with a box and a power supply and three kinds of analog output (S-video, composite, RF-modulated) and a cable and a remote and batteries for the remote at $49.95. So what does it cost to design in a converter chip, modulator, and jack to a cable box that already HAS the power supply and the remote and so forth? I'm guessing $5, if that.
If cable companies want to discontinue analog service, my suspicion is that they will probably find it attractive to replace cable boxes with new ones that accept digital signals from the cable, but offer down-converted NTSC, RF-modulated on channel 3 or 4, at a jack on the rear panel along with everything else.
indexfundfan wrote:http://arstechnica.com/news.ars/post/20 ... -2012.htmlcable operators will have two choices come February 2009. They can either convert the digital SD signal to analog SD and pipe it across their lines (which means using more bandwidth and carrying three versions of a single channel) or they can offer digital SD only and roll out converter boxes to all their subscribers (which could be expensive).
Either way, cable companies need to support analog TVs until 2012. Without this ruling, I believe cable companies would have cut off the analog transmissions to save on bandwidth as well.
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