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What is digital TV?

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Digital TV refers to technology that broadcasts television content through digital signals that is generally considered to be of higher quality for both audio and video compared to traditional analog signals. Digital TV is also more interactive when used in compatible television sets as there are menus the viewer can interact with as well as various types of on-demand content. As of 2015, all broadcast television signals are required to be in a digital format.

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Digital TV generally provides the viewer with more channel options when compared to traditional analog signals. The technology behind digital TV was first developed in response to Japan's industry-leading HDTV and MUSE analog television formats. The decision for U.S. television content providers to switch over to digital signals was set by the FCC in March 1990, though transition did not begin until the late 2000s.

U.S. Congress set June 12, 2009, as the final deadline for all television channels broadcast by full power television stations to switch over from analog to digital signals. In addition to providing better television quality, the switch from analog to digital broadcast signals has also freed up certain parts of the broadcasting network for various public safety groups, such as fire and police departments.

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