In television and consumer media, 3840× 2160 (UHD) is the dominant 4K standard. UHD (Ultra-High-Definition) and 4K UHD are the same thing and they both refer to 3840*2160 pixels. In the movie projection industry, 4096×2160 (DCI 4K) is the dominant 4K standard. # DCI 4K:ĤK refers to a horizontal screen display resolution in the order of 4,000 pixels which means 4096*2160 pixels, also names DCI 4K (DCI: Digital Cinema Initiatives). You know that the Blu-ray and DVD discs are easy to get damaged or scratched, so you'd better make backup copies of Blu-ray/DVD discs. Blu-ray disc type is various, so the storage power is various too. It is capable of storing several hours of video in Full-High-Definition (1920×1080) and Ultra-High-Definition (3840×2160). Quickly Know What Are Blu-ray, 4K, and UHD # Blu-ray:īlu-ray is a digital optical disc data storage format which is the successor to DVD. 1080P Blu-ray vs 4K Blu-ray: Comparison of Resolution & Compatibility & Storage & Price Quickly Know What Are Blu-ray, 4K, and UHDĢ.
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