Universal Media Disc-Wikipedia, the free encyclopedia. For other uses of this term, see UMD. Game Universal Media Disc (UMD). The Disc Universal Media, Universal Media Disc (UMD), is a type of optical disc developed by Sony, known especially for his use in the Play. Station Portable (PSP). Can contain 9. MB of data or 1.8 GB in dual layer. You can include games, movies, music, or combinations of these elements. GeneralidadesEl standard UMD defines optical discs with a diameter of 6. There are two variants, with a maximum storage capacity of 1.8 gigabytes. ECMA - 3. 65: the optical disc is stored in a plastic casing specially designed by Sony. The data stored in the disk are read only. The ability is superior to that of CD, 9. MB in version monolayer and 1.8 GB on the double layer, although for this latter case only supports a maximum of 1.6. GB. This is the equivalent of less than three CD - ROM discs in the set and is well below the level that allows you to store a standard DVD. The physical format in that it is based on the UMD is very similar to the DVD, but while the latter used to read a red laser of 6. UMD uses one of 6. The videos on UMD are compressed in a format that is more dense in the DVD and CD, thanks to the greater power of the processor calculation multimedia of the PSP. UMD employs the video codec. MPEG - 4 AVC, a variant of the format Advance Video Coding (AVC), which is currently the most advanced standard in terms of video encoding. Enclosure dimensions: 6. Diameter of disc: 6. Capacity: up to 1.8. GB (double-layer), exactly to 1.6. GB. Wavelength of laser: 6. Encryption: AES-1. Read speed: PSP (1. MB), PSP Slim (1. See The Birth Of The Dragons (2017) Free Online.