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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 ]
Hitachi-LG Data Storage (HLDS, HL-DT-ST or H-L Data Storage), a joint venture between Hitachi, Ltd. and LG Electronics, is a manufacturer of DVD and Blu-ray optical disc drives [2] for desktop computers and laptops. Founded in late 2000, the company began operation in January 2001. [3] In 2006, HLDS began developing Blu-ray Disc drives. [4]
DVD Profiler permits the adding of DVDs (since V3.0, HD DVDs and Blu-ray Discs, since V4.0 Ultra HD Blu-rays) by entering the UPC/EAN, inserting the disc itself into the computer's DVD drive or searching by title. Users can upload their collection to the internet to provide other users the possibility to view their DVD profiles.
Sony's PDW-U1 Professional Disc drive is an external drive that connects via USB 2.0 to Windows or Mac OS X computers using the included free software from Sony. In a firmware and software upgrade in late July 2009, Sony added the ability for computer users to store any computer files on the Professional Disc into the dedicated "User Data" folder.
PowerDVD is a media player software for Microsoft Windows created by CyberLink, for DVD movie discs, Blu-ray movie discs, and digital video files, photos and music.. PowerDVD is offered in various versions, which vary greatly in terms of functionality, and can be expanded to include additional functions such as playback of licensed audio formats or power-saving functions for use on notebooks ...
This allows a DVD drive to focus the beam on a smaller spot size and to read smaller pits. DVD lens supports a different focus for CD or DVD media with same laser. With the newer Blu-ray Disc drives, the laser only has to penetrate 0.1 mm of material. Thus the optical assembly would normally have to have an even greater focus range.
Advanced Format 4K native logo. For hard disk drives working in the 4K native mode, there is no emulation layer in place, and the disk media directly exposes its 4096, 4112, 4160, or 4224-byte physical sector size to the system firmware and operating system. That way, the externally visible logical sectors organization of the 4K native drives ...
The .img filename extension is used by disk image files, which contain raw dumps of a magnetic disk or of an optical disc. Since a raw image consists of a sector -by-sector binary copy of the source medium, the actual format of the file contents will depend on the file system of the disk from which the image was created (such as a version of FAT ).