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All of the digital TV variants can be used to provide both standard-definition signals and high definition or HDTV. All standards for standard definition TV are analog in nature and many of the structures of digital television systems is come standard definition of the need to be compatible with analog television and in particular, interlaced [...]

Digital Terrestrial Television (DTT) is the application of the technologies of digital media content to the transmission through a conventional aerial. Applying digital technology is getting more likely, such as providing more channels, better image quality or high-definition picture and better sound quality. The platform used in North America and Central America is ATSC, ISDB-T [...]