Meaning of DECODER in English

DECODER

/ ˌdiːˈkəʊdə(r); NAmE -ˈkoʊ-/ noun

a device that changes an electronic signal into a form that people can understand, such as sound and pictures :

a satellite / video decoder

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.