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US, Americas, Special Report - 可打印的版本

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US, Americas, Special Report - gtlthscmaaee - 06-16-2022

Where were you during the big digital television (DTV) switch of 2009? If you had a newer television with a digital tuner, or you had digital cable or satellite TV, you probably didn't notice anything different. However, if you had an older TV and watched over-the-air broadcasts by antenna, you may have been one of millions unprepared for the June 2009 switch. That's when the Federal Communications Commission (FCC) in the United States required all over-the-air television broadcasters to switch to digital television (DTV) broadcasting. And you certainly didn't have to have an HDTV set. In fact, unless your television has a built-in digital tuner, receiving DTV requires only a digital-to-analog converter to turn the digital signal into an analog signal that your current TV set can show. While this does reduce the quality of the original digital signal, you can still watch all available over-the-air broadcast TV in your area without a new TV purchase.




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