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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.
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.
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.
Dolby Vision is an end-to-end ecosystem for HDR video, and covers content creation, distribution, and playback. [20] It uses dynamic metadata and is capable of representing luminance levels of up to 10,000 nits. [6] Dolby Vision certification requires displays for content creators to have a peak luminance of at least 1,000 nits. [8]
HDR10+ is an alternative to Dolby Vision, which also uses dynamic metadata. [3] HDR10+ is the default variant of dynamic metadata as part of the HDMI 2.1 standard. [4] HDR10+ Adaptive is an update designed to optimize HDR10+ content according to the ambient light. [5]
The reference implementation is released under the LGPL 2.1 and currently available in version 2.0 (as of 12/2020) [8] FFmpeg codecs – Codecs in the libavcodec library from the FFmpeg project (FFV1, Snow, MPEG-1, MPEG-2, MPEG-4 part 2, MSMPEG-4, WMV2, SVQ1, MJPEG, HuffYUV and others). Decoders in the libavcodec (H.264, SVQ3, WMV3, VP3, Theora ...
CineAsset was a complete mastering software suite by Doremi Labs that could create and playback encrypted (Pro version) and unencrypted DCI compliant packages from virtually any source. [1] CineAsset included a separate "Editor" application for generating Digital Cinema Packages (DCPs).
MPEG-4 Part 2, MPEG-4 Visual (formally ISO/IEC 14496-2 [1]) is a video encoding specification designed by the Moving Picture Experts Group (MPEG). It belongs to the MPEG-4 ISO/IEC family of encoders. It uses block-wise motion compensation and a discrete cosine transform (DCT), similar to previous encoders such as MPEG-1 Part 2 and H.262/MPEG-2 ...