Comparison of high definition optical disc formats Comparison of high definition optical disc formats 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. The two formats remained in a format war until February 19, 2008 when Toshiba, HD DVD's creator, announced plans to cease development, manufacturing and marketing of HD DVD players and recorders. Other high-definition optical disc formats were attempted, including the multi-layered red-laser Versatile Multilayer Disc and a Chinese made format called EVD. Both appear
Finalize (optical discs) Finalize (optical discs) Finalizing (also spelled finalising) an optical disc is the process of writing out support data such as DVD menus, directory data, and the like to an optical disc in order to make it playable on a system other than the one it was recorded on. As a general rule, finalization means that the disc cannot have any additional data written to it. It is the last step in the DVD authoring process. The term is also used as an alternative word for the "closing" of a CD-R, in which Table of Contents data and the like are