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Dolby Vision is a set of technologies developed by Dolby Laboratories for high dynamic range (HDR) video. [1] [2] [3] It covers content creation, distribution, and playback.[1] [4] [5] [6] It includes dynamic metadata that define the aspect ratio and adjust the picture based on a display's capabilities on a per-shot or even per-frame basis, optimizing the presentation.
Christopher Nolan is a British-American filmmaker known for using aesthetics, themes and cinematic techniques that are recognisable in his work. Regarded as an auteur filmmaker, Nolan is partial to elliptical editing , documentary -style lighting, hand-held camera work, natural settings, and real filming locations over studio work.
Some Dolby Vision profiles use a dual-layer video composed of a base layer and an enhancement layer. [45] [46] Depending on the Dolby Vision profile (or compatibility level), the base layer can be backward compatible with SDR, HDR10, HLG, UHD Blu-ray or no other format in the most efficient IPTPQc2 color space, which uses full range and ...
It was developed by Dolby [6] and standardized in 2014 by SMPTE [1] and also in 2016 by ITU in Rec. 2100. [7] [8] ITU specifies the use of PQ or HLG as transfer functions for HDR-TV. [7] PQ is the basis of HDR video formats (such as Dolby Vision, [2] [9] HDR10 [10] and HDR10+ [11]) and is also used for HDR still picture formats.
Dolby 3D uses a Dolby Digital Cinema projector that can show both 2D and 3D films. For 3D presentations, additional filters are used in the projector, one filter each for the left eye and right eye. Each filter allows different frequencies of red, green, and blue light to pass through each of them.
Dolby Vision and HDR10 are supported on iPad Pro and iPhone models [n 2] released in 2017 or later, and Dolby Atmos on 2018 iPad Pro models and iPhones. [ 55 ] Content from the TV app may also be streamed via Apple's AirPlay 2 protocol from a device supporting the TV app to particular smart television sets from Sony , Vizio , LG , and Samsung .
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.
[10] [11] The first theaters temporarily used off-the-shelf dual Christie 4K laser projectors until the Dolby Vision-capable ones were shipped out in spring 2015. [2] Dolby 3D uses spectrum separation, where the two projectors function in stacked operation with each projector emitting a slightly different wavelength of red, green, and blue primary.