Definition of Dolby in English:

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Pronunciation: /ˈdɒlbi/
Pronunciation: /ˈdəʊlbi/


[mass noun] trademark
1An electronic noise-reduction system used in tape recording to reduce hiss: [as modifier]: full Dolby noise reduction
More example sentences
  • 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.
1.1An electronic system used to provide stereophonic sound for cinemas and television sets: [as modifier]: Dolby sound
More example sentences
  • 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.


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

For editors and proofreaders

Line breaks: Dolby

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