A television decoder, also known as a set-top box, is an electronic device that decodes digital television signals and converts them into a format that can be displayed on a television set. It is an essential component for receiving digital television broadcasts, as it allows users to access a wide range of channels and services that are not available through traditional analog television systems. The television decoder works by receiving digital signals from a satellite, cable, or terrestrial source and decoding them into a format that can be displayed on a television set. This process involves several stages, including demodulation, error correction, and decryption. The decoder also provides additional features such as electronic program guides, parental controls, and interactive services. There are several types of television decoders available on the market, including satellite, cable, and terrestrial decoders. Satellite decoders are used to receive signals from satellite television providers, while cable decoders are used to receive signals from cable television providers. Terrestrial decoders, on the other hand, are used to receive signals from terrestrial television broadcasters. In recent years, television decoders have become increasingly sophisticated, with many models offering high-definition and 4K resolution capabilities, as well as advanced features such as voice control and internet connectivity. As digital television technology continues to evolve, the role of the television decoder is likely to become even more important in the years to come.
set-top box, digital television, satellite, cable, terrestrial
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