Ultra HD Blu-ray
| Storage medium Ultra HD Blu-ray Disc
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| General | |
|---|---|
| Type | optical storage medium |
| capacity | 50 GB (dual-layer, 82 Mbit / s) 66 GB (dual-layer, 108 Mbit / s) 100 GB (triple-layer, 128 Mbit / s) |
| size | Diameter 120 mm |
| use |
Data storage , high definition films |
| origin | |
| developer | Blu-ray Disc Association |
| predecessor | Blu-ray disc |
Ultra HD Blu-ray is an optical data storage for Ultra-HD - Movies .
specification
Like its predecessor Blu-ray Disc, Ultra HD Blu-ray was specified by the Blu-ray Disc Association . The word “disc” does not appear in the name of the new format.
Storage media
The specification prescribes two- and three-layer optical data carriers with 66 and 100 gigabytes of storage respectively. Players for the previous Blu-ray Disc format cannot play the new media. Ultra HD Blu-ray capable devices are, however, downwardly compatible with the video version of the Blu-ray Disc.
Video and playback devices
The eponymous Ultra HD resolution is a maximum of 3840 × 2160 pixels. In contrast to the predecessor Blu-ray Disc, a high contrast range ( HDR-10 or Dolby Vision ), a higher frame rate and a larger color space ( ITU-R recommendation BT.2020 ) are also supported. Movies in 3D and 4K are not supported on Ultra HD Blu-ray, but conventional Blu-ray Disc formats with 3D can still be played.
H.265 is used as the video standard . Ultra HD televisions must have the HDMI 2.0 interface for playback . The HDCP 2.2 copy protection is also required .
The new editions of the Xbox One - the X-Box One S and the X-Box One X are UHD players.
Audio
Ultra HD Blu-ray supports the object-based audio formats DTS: X and Dolby Atmos , as well as the channel-based format Auro-3D .
Digital bridge
Optionally, providers of UHD Blu-rays can allow an export protected by digital rights management (DRM) and digital watermarks ("digital bridge") so that UHD Blu-ray films can be transferred to devices such as tablets.
See also
Individual evidence
- ↑ a b c White Paper: Blu-ray Disc ™ Format . 2015. Archived from the original on January 15, 2017. Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Retrieved December 28, 2016.
- ↑ a b c d Blu-ray Disc Association Completes Ultra HD Blu-ray ™ Specification and Releases New Logo. Business Wire, May 12, 2015, accessed May 17, 2015 .
- ↑ a b c d Joel Hruska: Ultra HD Blu-ray standard finalized: 4K support, HDR, 'digital bridge' sharing. In: ExtremeTech. May 13, 2015, accessed May 17, 2015 .
- ↑ a b c Steve May: 4K Ultra HD Blu-ray on course for Xmas launch, as final specification is confirmed. (No longer available online.) In: Inside CI. May 13, 2015, archived from the original on May 15, 2015 ; accessed on May 17, 2015 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
