Dolby

 
Pronunciation: /ˈdɒlbi, ˈdəʊl-/

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 sound

Origin:

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