Encoder: Difference between revisions

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An '''encoder''' is a [[device]] used to change a [[Signalling (telecommunication)|signal]] (such as a [[bitstream]]) or [[data]] into a [[code]]. The code may serve any of a number of purposes such as compressing information for [[transmission (telecommunications)|transmission]] or [[Computer storage|storage]], [[encrypting]] or adding [[Redundancy (information theory)|redundancies]] to the input code., or translating from one code to another. This is usually done by means of a programmed [[algorithm]], especially if any part is [[digital]], while most [[analog (signal)|analog]] encoding is done with [[analog circuit|analog circuitry]].

==Examples==