BACKGROUND The Universal Media Disc (UMD) was a product of the Sony Corporation developed for the PlayStation Portable (PSP). UMD was an optical disc with a capacity of approx. 1.8 gigabytes of data on a dual-layer disc. The 'Universal' part of the moniker referred to the ability of the disc to carry gaming, video and audio data.
VIDEO Video material was encoded in the H.264/MPEG-4 AVC codec, a highly efficient codec which provides very good image quality - especially on the PSP's small screen. The PSP screen was 16x9 (1.78:1) aspect; source material that exists in wider aspect ratio's (such as 'Hollywood' 1.85:1 and 2.35:1) was encoded for UMD presentation in 1.78:1 (i.e. full-frame 16x9) 'pan & scan' - resulting in side-cropping in UMD versions of 'wider than 1.78:1' material.
AUDIO Audio of UMD (Video) was confined to 2-channel stereo.
OO7 Releases Due to the lack of reliable information about UMD movies, at a global level, it cannot be definitively stated that x-amount of OO7 films were issued on UMD. All that can be said with surety is that at least eight OO7 titles were marketed.
DISCONTINUATION The UMD format was gradually phased-out beginning in 2011 when the last UMD-Video title was released. By 2014 the format was abandoned by Sony.