DolbyPronunciation: /ˈdɒlbi, ˈdəʊl-/Definition of Dolby noun [mass noun] trademark an electronic noise-reduction system used in tape recording to reduce hiss: [as modifier]:full Dolby noise reduction an electronic system used to provide stereophonic sound for cinemas and television sets: [as modifier]:Dolby soundOrigin: 1960s: named after Ray M. Dolby (born 1933), the American engineer who devised itDolby in other Oxford dictionaries Definition of Dolby in the US English dictionary
