Surround sound

Audio compression technologies

system with loudspeakers that surround the listener

surround sound technology for home cinema and cinema; typically having a 5.1 or 7.1 setup with additional ceiling speakers or ceiling-directed speakers for home cinemas

series of multichannel audio technologies owned by DTS, Inc.

sound systems that use 5 speakers and one subwoofer

sound that uses four channels in which speakers are positioned at the four corners of the listening space

cinema sound system

advanced lossless multi-channel audio codec

surround sound processing technology developed by Dolby Labs

premium cinema screen technology created by Dolby Laboratories

lossless audio codec for home theater, extended from the lossy DTS codec

sound format by Dolby

sound system developed by Dolby

surround sound component of Super Hi-Vision

Zaireeka is the eighth studio album by the American rock band the Flaming Lips, released on October 28, 1997, by Warner Bros. Records. It consists of four CDs designed so that when played simultaneously on four separate audio systems, they would produce a harmonic or juxtaposed sound; the discs could also be played in different combinations, omitting one, two or three discs. Each of its eight songs consists of four stereo tracks, one from each CD.

thumb|Sensurround speaker diagram, with the extra speakers shown in white (Center, Surround Left and Surround Right) thumb|Sensurround logo (designed for the release of the film Earthquake). Sensurround is the brand name for a process created by MCA and developed by Cerwin-Vega in conjunction with Universal Studios to enhance the audio experience during film screenings, specifically for the 1974 film Earthquake. The process was intended for subsequent use and was adopted for four more films, Midway (1976), Rollercoaster (1977), the theatrical version of Saga of a Star World (1978), the Battles

Fantasound was a sound reproduction system developed by engineers of Walt Disney Studios and RCA for Walt Disney's animated film Fantasia, the first commercial film released in stereo.

Auro-3D is an immersive 3D audio format developed by the Belgium-based company Auro Technologies.

eight-channel surround audio system commonly used in home theater configurations

thumb|200px|right|Ambisonics former trademark

Ambiophonics is a method in the public domain that employs digital signal processing (DSP) and two loudspeakers directly in front of the listener in order to improve reproduction of stereophonic and 5.1 surround sound for music, movies, and games in home theaters, gaming PCs, workstations, or studio monitoring applications. First implemented using mechanical means in 1986, today a number of hardware and VST plug-in makers offer Ambiophonic DSP. Ambiophonics eliminates crosstalk inherent in the conventional stereo triangle speaker placement, and thereby generates a speaker-binaural soundfield t

thumb|Perspecta sound channel layout (Left, Center, Right) Perspecta was a directional motion picture sound system invented by the laboratories at Fine Sound Inc. in 1954. The company was founded by Mercury Records engineer C. Robert (Bob) Fine, husband of producer Wilma Cozart Fine. As opposed to magnetic stereophonic soundtracks available at the time, Perspecta's benefits were that it did not require a new sound head for the projector and thus was a cheaper alternative. thumb|Perspecta sound signal, showing amplitude (top) and spectrogram of the control signals (bottom). In this example, con