(Universal Media Disc) The optical disc used in Sony's PlayStation Portable (PSP). Officially the ECMA-365 standard, a UMD is a read-only medium for games and movies. Video is encoded in H.264, and audio is encoded in ATRAC3plus. See PlayStation.
Umd Sentence Examples
UMD Radial Cleaner: With their own protective casing, UMDs are hard to clean.
UMD does n't usurp DVD in terms of what it brings.
Retailers have announced they will stop selling UMD discs, the PSP system's format for movies, so expect the film front to dwindle in the months to come.
Released late 2004 and early 2005 for Japan and North America respectively, the PSP used a contained disc format called the Universal Media Disc, or UMD.
Without a UMD drive, the PSP Go utilizes 16 GB of internal memory to download and store games wirelessly from the PlayStation Store.