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  2. Surround sound - Wikipedia

    en.wikipedia.org/wiki/Surround_sound

    Surround sound. 16.2 channel surround sound. Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener ( surround channels ). Its first application was in movie theaters.

  3. Dolby Atmos - Wikipedia

    en.wikipedia.org/wiki/Dolby_Atmos

    This technique is an improvement on the previous Dolby Headphone technology, allowing infinite channels of sound to be processed into a virtual surround experience. [ 55 ] Windows 10 version 1703 ("Creators Update") added platform-level support for spatial sound processing, including Windows Sonic for Headphones and Dolby Atmos for Headphones ...

  4. 5.1 surround sound - Wikipedia

    en.wikipedia.org/wiki/5.1_surround_sound

    The left and right surround speakers in the bottom line create the surround sound effect. 5.1 surround sound ("five-point one") is the common name for surround sound audio systems. 5.1 is the most commonly used layout in home theatres. [1] It uses five full bandwidth channels and one low-frequency effects channel (the "point one"). [2]

  5. 7.1 surround sound - Wikipedia

    en.wikipedia.org/wiki/7.1_surround_sound

    7.1 surround sound is the common name for an eight-channel surround audio system commonly used in home theatre configurations. It adds two additional speakers to the more conventional six-channel ( 5.1) audio configuration. As with 5.1 surround sound, 7.1 surround sound positional audio uses the standard front left and right, center, and LFE ...

  6. Dolby Pro Logic - Wikipedia

    en.wikipedia.org/wiki/Dolby_Pro_Logic

    Dolby Surround/Dolby Pro Logic/Dolby Pro Logic II. Dolby Pro Logic is a surround sound processing technology developed by Dolby Laboratories, designed to decode soundtracks encoded with Dolby Surround. The terms Dolby Stereo and LtRt ( Left Total, Right Total) are also used to describe soundtracks that are encoded using this technique.

  7. Dolby Digital - Wikipedia

    en.wikipedia.org/wiki/Dolby_Digital

    The extra surround channel is matrix encoded onto the discrete left surround and right surround channels of the 5.1 mix, much like the front center channel on Dolby Pro Logic encoded stereo soundtracks. The result can be played without loss of information on standard 5.1 systems, or played in 6.1 or 7.1 on systems with Surround EX decoding and ...

  8. Dolby - Wikipedia

    en.wikipedia.org/wiki/Dolby

    Dolby Labs was founded by Ray Dolby (1933–2013) in London, England, in 1965. [5] In the same year, he invented the Dolby Noise Reduction system, a form of audio signal processing for reducing the background hissing sound on cassette tape recordings. [6] His first U.S. patent on the technology was filed in 1969, four years later.

  9. Dolby Surround 7.1 - Wikipedia

    en.wikipedia.org/wiki/Dolby_Surround_7.1

    Dolby Surround 7.1 (sometimes called Dolby 7.1 surround sound) is a sound system by Dolby Laboratories which delivers theatrical 7.1 surround sound to movie-goers. It is the most recent addition to a family of audio compression technologies developed by Dolby known as Dolby Digital . It adds two new channels to current Dolby Digital 5.1.

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