decoder

/diˈkoʊdər/
noun
  1. A person or device that converts coded or encrypted information into a readable form.
    • You need a digital decoder to watch the encrypted channel.
    • He worked as a decoder for the intelligence agency during the war.
    • The decoder quickly translated the secret message into plain text.
  2. A device or software that converts digital signals (e.g., audio, video) back into their original format.
    • You'll need a special decoder to play the old audio files.
    • This decoder can handle 4K video streams without lag.
    • The DVD player has a built-in decoder for surround sound.
Synonyms
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