The PlayStation Portable (プレイステーション・ポータブル, Pureisutēshon Pōtaburu?, officially abbreviated PSP) is a handheld console manufactured and marketed by Sony Corporation[4] Development of the console was announced during E3 2003,[5] and it was unveiled on May 11, 2004, at a Sony press conference before E3 2004.[6] The system was released in Japan on December 12, 2004,[7] in North America on March 24, 2005,[8] and in the PAL region on September 1, 2005.[9]
The PlayStation Portable is the first handheld video game console to use an optical disc format, Universal Media Disc (UMD), as its primary storage medium.[10][11] Other distinguishing features of the console include its large viewing screen,[12] robust multi-media capabilities,[13] and connectivity with the PlayStation 2, PlayStation 3, other PSPs, and the Internet.[14][15]
Sales of the PSP have lagged behind its main competitor, the Nintendo DS.[16] Nevertheless, the console is "the most successful non-Nintendo handheld game system ever sold".[17] After the release of a remodeled, slimmer, and lighter version of the PlayStation Portable, titled Slim & Lite, in early September 2007, sales quadrupled in the United Kingdom the following week and increased by nearly 200% in North America for the month of October. The PSP-3000 had a minor redesign including a new screen and inbuilt microphone, and has since been followed by the PSP Go.[18][19]
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