All televisions that were receiving programming using over-the-air signals through an antenna would no longer be able to receive those analog signals over the airwaves. While the antennae would be able to pick up digital signals, the signals would not be understood by televisions unless they had a digital converter, a tuner, or even a videocassette recorder. Although the laws also required new television sets to be equipped with digital converters, many older televisions did not have a digital tuner, and were not able to decode the signals now coming in through the new digital channels.
Many consumers, understandably, did not wish to be required to purchase new television sets or subscribe to satellite or cable TV in order to continue receiving a television signal. Digital TV boxes were created to resolve this problem, and allow conversion of digital signals to analog signals so that older television sets could still understand the incoming information.
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