Blu-ray - Wikipedia
Blu-ray (Blu-ray Disc or BD) is a digital optical disc data storage format designed to supersede the DVD format. It was invented and developed in 2005 and released worldwide on June 20, 2006, capable of storing several hours of high-definition video (HDTV 720p and 1080p).
Ultra HD Blu-ray - Wikipedia
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 enhanced variant of Blu-ray. [4] Ultra HD Blu-ray supports 4K UHD (3840 × 2160 pixel resolution) video at frame rates up to 60 progressive frames per second, [4] encoded using High-Efficiency Video Coding. [4]
Comparison of high-definition optical disc formats - Wikipedia
This article compares the technical specifications of multiple high-definition formats, including HD DVD and Blu-ray Disc; two mutually incompatible, high-definition optical disc formats that, beginning in 2006, attempted to improve upon and eventually replace the DVD standard.
Blu-ray | Definition, Facts, & History | Britannica
Blu-ray, optical disc data-storage format often used for playback of (HD) video. The data is read by a blue-violet laser. A single-layer Blu-ray holds 25 gigabytes (GB), and a dual-layer Blu-ray (one with two layers of information, one on top of the other) holds 50 GB.
The History Of Blu-Ray: Everything We Know - Screen Rant
Nov 21, 2022 · The history of the Blu-ray player reveals that from humble beginnings came one of the most impactful devices in home entertainment.
Blu-ray Disc - Simple English Wikipedia, the free encyclopedia
Blu-ray Disc is a high-density optical disc format similar to DVD. Blu-ray is the type of disc used for PlayStation 3 games and for playing high-definition (HD) movies. In the past, there were other standards for such movies, such as the HD DVD format.
What Is Blu-ray? - Lifewire
Sep 22, 2021 · Blu-ray is one of two high-definition disc formats introduced to consumers in 2006. Along with its rival, HD-DVD, Blu-ray expanded the depth, color, and detail of the images you see. While HD-DVD was discontinued in 2008, Blu-ray and DVD are still in use. Here's a look at Blu-ray's history and where it stands today.