Dolby


Also found in: Dictionary, Thesaurus, Wikipedia.
Related to Dolby: DTs, THX, Dolby Atmos

Dolby

™ any of various specialized electronic circuits, esp those used for noise reduction in tape recorders by functioning as companders on high-frequency signals

Dolby

(Dolby Laboratories, Wiltshire, England, www.dolby.com) An audio research laboratory founded in 1965 in London by American engineer and physicist Ray Dolby. The company introduced its noise reduction system for tape recording in that same year, which became known as Dolby A and has been widely used in music recording as well as movie theater soundtracks. Dolby B and C, introduced in 1968 and 1981 respectively, were geared for consumer audio tapes.

In 1986, Dolby SR (Spectral Recording) added signal processing techniques that doubled the noise reduction of Dolby A for professional use. Its derivative, Dolby S, is found in high-end cassette decks. Dolby circuits have been used in millions of audio tape recorders and players to eliminate the annoying hiss and improve the signal-to-noise ratio (SNR) of analog tapes.

Starting in the 1970s, Dolby's analog and digital audio encoding technologies have been mainstream audio formats for movie theaters and home theater systems. See Dolby Surround and Dolby Digital.
References in periodicals archive ?
Conventional surround-sound systems such as Dolby Pro Logic contain four channels of sound - front left, front right, center and rear surrounds - to create a lifelike sound environment for home-movie viewing.
These claims are not new as Dolby Laboratories has been aware of the Drexler patents for a number of years.
The company announced today that it plans to incorporate Dolby Pulse into its award-winning Dolby DP600 Program Optimizer and Cat.
The split right now is about equal between Dolby, DTS and SDDS, "with slightly more DTS," Stokes said.
Further reducing the cost of new Dolby Stereo Digital installations is the introduction of a newly streamlined projector reader, at a list price of $3,275.
Dolby Laboratories (NYSE:DLB) develops and delivers products and technologies that make the entertainment experience more realistic and immersive.
Dolby Digital Plus has been included in the DVB specifications at the request of operators and electronics manufacturers within the consortium.
1-channel program to accompany the HDTV broadcast, which will also be sent to Dolby DP563 Pro Logic II Encoders to automatically create the Dolby Pro Logic II soundtrack for analog stations.
The three original software products Dolby Media Encoder (network version), Dolby Media Decoder, and Dolby Media Tools are available as a bundled software package, referred to as Dolby Media Producer suite.
An archived version of the teleconference will also be available on Dolby Laboratories' website, www.
LAS VEGAS -- At the International Consumer Electronics Show (ICES), Dolby Laboratories, Inc.