The number of devices certified to support HDR10 + has increased a bit. Chromecast with Google TV And for the latest Roku devices Joined the list.. HDR10 + isn’t as widely adopted as Dolby Vision, but it’s been on some TVs for some time. Those TVs include Panasonic and Samsung. Samsung is the company behind this technology.
In Announcement Discovered by (PDF) FlatPanelsHD, Roku’s Vice President of Retail Product Strategy, revealed that the company has enabled HDR10 + on its all-new Roku Express 4K +, Roku Express 4K, and Roku Ultra (2020) products. This means that these products, along with Chromecast on Google TV, can now deliver HDR10 + content as long as the viewer is using an app that streams in that format.
Viewers streaming with HDR10 + can experience more vibrant colors in darker black and lighter white with dynamic metadata. Unlike the standard HDR10, which sets the brightness level at the beginning of a movie or show, the HDR10 + and Dolby Vision can be adjusted on the fly.
Services that support HDR10 + include Amazon Prime Video, Google Play, YouTube, etc., but are fairly limited at this time. Paramount is the latest company to support the standard and announced that its streaming service (Paramount +) is now able to deliver HDR10 + shows and movies — Stephen King’s stand One of them — to compatible devices. Unless companies like Samsung add Dolby Vision support to their TVs, enhanced HDR10 + access should bring a better experience on those displays.
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https://www.engadget.com/chromecast-with-google-tv-new-roku-devices-hdr-10-054505875.html Chromecast with Google TV and new Roku device is HDR10 + certified