cable tv converter boxes
The upcoming digital transition has many people confused. Daily television ads touting the upcoming digital transition say that cable and satellite TV subscribers will be just fine after the February 17, 2009 deadline, but is this really true? This article will explain what digital cable converter boxes are, how they interact with a digital television set, and whether or not cable subscribers need to go out and buy a special digital converter box.
What Are Digital Cable Converter Boxes
The vast majority of cable subscribers already own (or rent) one of these boxes from the cable company. They typically come in two forms, one which is purely a tuner for the television, taking the feed from the cable company and splitting it apart into the many different channels that the home user can view. The other type of digital cable converter box is often referred to as a digital video recorder or DVR. These boxes operate the same was as the others do, with the exception that they also provide the user with the ability to record programming to an internal hard drive for later viewing.
Most cable subscribers will know that it is also possible to view cable channels on a television that is NOT connected to such a converter box. In this setup additional channels such as pay per view and premium movie channels are not available.
How Do Digital Cable Converter Boxes Work
As mentioned previously cable subscribers are able to watch basic cable channels without a converter box. These channels are being transmitted in an analog format that all traditional televisions understand and can display. After February 17th most cable companies will continue to offer this analog feed, doing the conversion from digital to analog at the company end of the cable line. In other words, nothing will change for the home user regardless of whether they are using a digital cable converter box or not. At the same time the cable company is sending the analog (basic cable) signal it also transmits a second, digital signal that can only be interpreted by an authorized cable box. The over the air digital converter boxes now being sold in stores will NOT work with cable signals. The only way to decode digital cable signals is with a box rented from the cable company or an authorized SmartCard enabled box such as a TiVo.
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