ĭolby Atmos home theaters can be built upon conventional 5.1 and 7.1 layouts. Each object specifies its apparent source location in the theater, as a set of three-dimensional rectangular coordinates relative to the defined audio channel locations and theater boundaries. In Atmos games ISF ( Intermediate Spatial format) is used, that supports 32 total active objects (for 7.1.4 bed 20 additional dynamic objects can be active ). Atmos for home in film, TV and music uses a technique called "spatial coding" to reduce the audio to up to a maximum of 16 concurrent "elements" or audio location clusters, that adapt to the content dynamically. Each audio track can be assigned to an audio channel, the conventional format for distribution, or to an audio "object." Dolby Atmos in theaters has a 9.1 (commonly referred to as 7.1.2) channel-based "bed" channels for ambience stems or center dialogue, leaving 118 tracks for objects. Technology ĭolby Atmos studio at a media company in Hanover, Germanyĭolby Atmos technology allows up to 128 audio tracks plus associated spatial audio description metadata (location or pan automation data, data about the sound's movement, type, intensity, speed and volume) to be distributed to theaters for optimal, dynamic rendering to loudspeakers based on the theater capabilities. R.E.M.'s 1992 album Automatic for the People was the first major music release with its 25th anniversary reissue in 2017. In 2016 Power was the first television show natively mixed and broadcast in Atmos for its third season, though in the same year, Game of Thrones up-mixed their previous 5.1 presentations for the Blu-ray reissue. The full set of technical specifications for Dolby Digital Plus with Dolby Atmos are standardized and published in ETSI TS 103 420. Most electronic devices since 2016, as well as smartphones after 2017, have been enabled for Dolby Atmos recording and mixing. Dolby Atmos has also been adapted to a home theater format and is the audio component of Dolby Cinema. As of October 2022, there were over 10,000 Dolby Atmos enabled cinema screens, installed, or committed to. Throughout 2012, it saw a limited release of about 25 installations worldwide, with an increase to 300 locations in 2013.
The first Dolby Atmos installation was in the El Capitan Theater in Los Angeles, for the premiere of Brave in June 2012.
Dolby Atmos Monitor at SoundFirm, Melbourne, Australia
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