de·cod·er / diˈkōdər/ •
n. a person or thing that analyzes and interprets something, in particular: ∎ an electronic device for analyzing the information components of an audio or visual signal and feeding them to separate amplifier channels. ∎ an electronic device that converts a coded signal into one that can be used by other equipment.
The means by which a decoding process is effected (see code
). It may be implemented in hardware or software, the process being algorithmic in nature. 2.
In telecommunications and electronics, a device that converts the information content of a signal into a more intelligible form. In a satellite-television receiver, it decodes encrypted signals; in a colour television
, it separates the red, blue and green components.