Ultra HD Blu-ray
optical disc storage medium
Ultra HD Blu-ray (4K Ultra HD, UHD-BD, or 4K Blu-ray)[2][3] is a digital optical disc data storage format that is an upgraded variant of Blu-ray.[4] Ultra HD Blu-ray supports 4K UHD (3840 × 2160 pixel resolution) video at frame rates up to 60 moving frames per second,[4] encoded (created) using High-Efficiency Video Coding.[4] These discs do not work with existing standard (regular) Blu-ray players.[1]
| Ultra HD Blu-ray (logo).svg | |
|---|---|
| Back of a triple layer Ultra HD Blu-Ray Disc.png Reverse side of a 100 GB Ultra HD Blu-ray disc. | |
| Media type | High-density optical disc |
| Encoding | H.265/MPEG-H Part 2 (HEVC) |
| Capacity | 50 GB (dual-layer,[1] 92 Mb/s) 66 GB (dual-layer,[1] 123, 144 Mb/s) 100 GB (triple-layer,[1] 123, 144 Mb/s) |
| Read mechanism | 405 nm laser |
| Developed by | Blu-ray Disc Association |
| Dimensions | 120 mm (4.7 in) diameter |
| Usage | Ultra-high-definition video PlayStation 5 format software |
| Extended from | Standard Blu-ray |
References
change- ↑ 1.0 1.1 1.2 1.3 "White Paper: Blu-ray Disc™ Format" (PDF). Blu-RayDisc.com (4th ed.). 2015. Archived from the original (PDF) on January 15, 2017. Retrieved December 28, 2016.
- ↑ Morrison, Geoffrey. "What is 4K Blu-ray?". CNET. Archived from the original on February 26, 2021. Retrieved May 25, 2021.
- ↑ "4K Movies, 4K Blu-ray Movies, 4K Blu-ray Players". www.blu-ray.com. Archived from the original on May 28, 2021. Retrieved May 25, 2021.
- ↑ 4.0 4.1 4.2 "4K Blu-ray discs arriving in 2015 to fight streaming media". CNET. September 5, 2014. Archived from the original on October 13, 2014. Retrieved October 18, 2014.