Definition of Dolby in English:



mass noun
  • 1Trademark An electronic noise-reduction system used in tape recording to reduce hiss.

    as modifier ‘full Dolby noise reduction’
    • ‘The final stage in the process of creating a musical score is to get it ready for the cinema, and that requires the Dolby noise reduction sound system.’
    • ‘His first product from this new and innovative company was identified as Dolby A-type Enoise reduction.’
    • ‘The audio presentation is in the original Dolby mono, clean and relatively free of hiss.’
    • ‘It is Dolby mono, there is little hiss and dialogue comes in clear for the most part.’
    • ‘The Dolby stereo sound is adequate, with no detectable hissing or distortion.’
    1. 1.1An electronic system used to provide stereophonic sound for cinemas and television sets.
      as modifier ‘Dolby sound’
      • ‘And they can hear it in full stereo sound… even Dolby surround sound if you want.’
      • ‘High definition television enables you to enjoy Dolby digital surround sound.’
      • ‘The disc also has Dolby Surround Sound tracks in French and Spanish.’
      • ‘When Dolby surround sound first hit the scene he had to go out and get his own personal cinema surround sound gismo and set it up in the living-room.’
      • ‘The sound mix is Dolby 5.1, but since the film is a drama, there isn't much opportunity to use the surround stages.’


1960s named after Ray M. Dolby (1933–2013), the American engineer who devised it.



/ˈdɒlbi/ /ˈdəʊlbi/