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A lesson on digital TV A lesson on digital TV Remember when you were younger? Getting a reception was so difficult you have to climb the highest tree to get TV signal. Just like everything in technology, this is no longer a problem with the introduction of Digital TV or DTV. Introduced in the late 1990s, this new method of sending and receiving audio and video through digital signals aims to free up the broadcast spectrum so it can be used for more important services for public security and safety or more advanced wireless services. This technology uses multicasting wherein one channel can now have several variations, for example channel 7 for an analog TV can become 7-1, 7-2, 7-3 and so on. Viewers can now experience lesser interference causing better reception, clearer sound and image quality, new channels and features. Digital TV Digital TV Remember when you were younger? Getting a reception was so difficult you have to climb the highest tree to get TV signal. Just like everything in technology, this is no longer a problem with the introduction of Digital TV or DTV

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