HDR is considered an important new technological step in image display since it provides an immediately visible clear improvement in image quality, even to the untrained eye and independently of image resolution, screen size or viewing distance. In addition, the increase in data rate for an HDR signal is minimal, thus creating great visual impact for small increase in cost.
What is Dolby Vision?
Dolby has played a key role in the development of HDR for both commercial cinema and home theatre applications. The most significant advantage of Dolby Vision HDR is the addition of dynamic metadata to the core HDR image data.
This metadata carries scene-by-scene instructions that a Dolby Vision-capable display can use to make sure it portrays the content as accurately as possible. Dolby Vision-capable TVs combine the scene-by-scene information received from the source with an awareness of their own capabilities in terms of brightness, contrast and color performance.
The minimum specification for Dolby Vision mastering requires the use of reference monitors with a contrast ratio of 200,000:1, peak brightness of 1000 nits, color range ‘approaching’ the Rec 2020 standard, and support for the SMPTE ST-2084 HDR format.
Dolby Vision Content Producers
Netflix, Amazon Prime Video,Vudu, Lionsgate, Sony Pictures, Universal and Warner Bros - have all released Dolby Vision contents.
Note - It’s not mandatory for a content creator to deliver both HDR10 and Dolby Vision.
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