Dolby™
noun /ˈdɒlbi/
/ˈdəʊlbi/
[uncountable]- a system for reducing background noise in sound recordings
- a system that provides stereo sound for cinemas, televisions, etc.
- It's better to see this film on a big screen with Dolby surround sound.
Word Origin1960s: named after Ray M. Dolby (born 1933), the American engineer who devised it.