Dolby is a system which reduces the background noise on electronic cassette players.
[trademark]
...a cassette deck equipped with Dolby noise reduction.
Dolby in British English
(ˈdɒlbɪ)
noun trademark
1.
any of various specialized electronic circuits, esp those used for noise reduction in tape recorders by functioning as companders on high-frequency signals
2.
a system used in cinemas and television sets which provides surround sound
Word origin
named after Ray Dolby (1933–2013), its US inventor
Dolby in American English
(ˈdoʊlbi)
US
trademark
an electronic system used, as in tape recording, to reduce unwanted noise for improved sound quality
Word origin
after R. Dolby (1933- ), U.S. recording engineer
Examples of 'Dolby' in a sentence
Dolby
Theresa gasped, but the sound got lost in the wailing broadcasted in Dolby sound from the two far corners of the room.