Dolby Vision

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Dolby Vision is a set of technologies developed by Dolby Laboratories and Christie Digital Systems for high-dynamic-range (HDR) video. It covers content creation, distribution, and playback. 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. Dolby Vision was introduced in 2014, making it the first available HDR format. HDR10+ is a competitor HDR format that also uses dynamic metadata. Dolby Vision IQ is an update designed to optimize Dolby Vision content according to the ambient light. Dolby Cinema also uses Dolby Vision in conjunction with Dolby Atmos sound systems, though because of the use of 2.6 gamma and thus 48 nits in SDR theaters, the 108 nits used in Dolby Cinema is already HDR.