These adjustments, called "trims" in Dolby's support documents, include parameters such as Lift, Gamma, Gain, Saturation, Chroma Weight, and so on. This dynamic metadata allows adjusting of the image on a scene-by-scene or even frame-by-frame basis. It can encode mastering display colorimetry information using static metadata (SMPTE ST 2086) and also provide dynamic metadata (SMPTE ST 2094-10, Dolby format) for each scene or frame. BT.2020 in YC BC R or IPTPQc2), up to 8K resolution, and for some profiles (FEL) up to 12-bit. ĭolby Vision includes the PQ transfer function, a wide-gamut color space ( ITU-R Rec. However, according to the Dolby Vision white paper, as of 2018 professional reference monitors, such as the Dolby Vision HDR reference monitor, are currently limited to 4,000 nits of peak brightness. Description ĭolby Vision allows for a maximum resolution of 8K, up to 12-bit color depth, maximum peak brightness of 10,000 nits. ĭolby Cinema uses Dolby Vision too, though because of the use of 2.6 gamma and thus 48 nits in SDR cinemas, the 108 nits used in Dolby Cinema is already HDR. ĭolby Vision IQ is an update designed to optimize Dolby Vision content according to the ambient light. HDR10+ is a competitor HDR format that also uses dynamic metadata. 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.ĭolby Vision was introduced in 2014, making it the first available HDR format. It covers content creation, distribution, and playback. ( September 2023) ( Learn how and when to remove this template message)ĭolby Vision is a set of technologies developed by Dolby Laboratories for high dynamic range (HDR) video. Please help improve it to make it understandable to non-experts, without removing the technical details. This article may be too technical for most readers to understand.
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