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The PlayStation 4 (officially abbreviated as PS4) is a home video game console from Sony Computer Entertainment. Announced as the successor to the PlayStation 3 during a press conference on February 20, 2013, it was launched on November 15, 2013 in North America, and November 29, 2013 in Europe, South America and Australia. It competes with Nintendo's Wii U and Microsoft's Xbox One, as part of the eighth generation of video game consoles. Departing from the more complex cell architecture of its predecessor, the PlayStation 4 features an AMD x86-64 Accelerated Processing Unit, in hopes of attracting a broader range of developers and support for the system. The PlayStation 4's GPU can perform 1.843 teraflops. Sony calls the PlayStation 4 "the world's most powerful console", and speaking to ''Edge'' magazine, numerous game developers described the performance difference between the PS4 and Xbox One as "significant" and "obvious".〔 During the 2014 fiscal year, PS4 topped video game global console sales. The console enables various methods of interactivity with other services and devices: the PlayStation App, designed to enhance gameplay by using iOS and Android mobile devices; PlayStation Now, a cloud-based subscription gaming service that offers streaming video game content; and wireless Remote Play, a feature that enables users to activate the PlayStation 4 from a distance, in order to continue playing on a secondary screen such as PlayStation Vita, or a Sony Xperia tablet or smartphone. Sony has placed emphasis on social gameplay. The new controller incorporates a "share" button, enabling the capture of screenshots and video. Players can broadcast or spectate gameplay streamed live, and a feature named Share Play allows users to invite a friend to join a play session, even if they do not own a copy of the game. == History == According to lead architect Mark Cerny, development of Sony's fourth video game console began as early as 2008. Less than two years earlier, the PlayStation 3 had launched after months of delays due to issues with production. The delay placed Sony almost a year behind Microsoft's Xbox 360, which was already approaching unit sales of 10 million by the time the PS3 launched.〔 PlayStation Europe CEO Jim Ryan said Sony wanted to avoid repeating the same mistake with PS3's successor. In designing the system, Sony worked with software developer Bungie, who offered their input on the controller and how to make it better for shooting games. In 2012, Sony began shipping development kits to game developers, consisting of a modified PC running the AMD Accelerated Processing Unit chipset. These development kits were known as "Orbis". In early 2013, Sony announced that an event known as PlayStation Meeting 2013 would be held in New York City, U.S., on February 20, 2013, to cover the "future of PlayStation". Sony officially announced the PlayStation 4 at the event. They revealed details about the console's hardware and discussed some of the new features it will introduce.〔 Sony also showed off real-time footage of games in development, as well as some technical demonstrations. The design of the console was unveiled in June 2013 at the Electronic Entertainment Expo, and the initial recommended retail prices of $399 (NA), €399 (Europe), and £349 (UK) given.〔 The company revealed release dates for North America, Central America, South America, Europe and Australia, as well as final pieces of information, at a Gamescom press event in Cologne, Germany, on August 20, 2013. The console was released on November 15, 2013 in the United States and Canada, followed by further releases on November 29, 2013.〔 By the end of 2013, the PS4 was launched in more European, Asian and South American countries The PS4 released in Japan at ¥39,980 on 22 February 2014. Sony finalized a deal with the Chinese government in May 2014 to sell its products in mainland China, and the PS4 will be the first product to be released. Kazuo Hirai, chief executive officer of Sony, said in May: "The Chinese market, just given the size of it, is obviously potentially a very large market for video game products ... I think that we will be able to replicate the kind of success we have had with PS4 in other parts of the world in China." In September 2015, Sony reduced the price of the PS4 in Japan to ¥34,980, with similar price drops in other Southeast Asian markets. The first official sub £300 PS4 bundle was the £299.99 'Uncharted Nathan Drake Collection 500GB', released in the UK on October 9, 2015; a 1TB £329.99 version was offered at the same time. On October 9, 2015, the first official price cut of the PS4 in North America was announced: a reduction of $50 to $349.99 (US) and by $20 to $429.99 (Canada). An official price cut in Europe followed in late October 2015, reduced to €349.99/£299.99. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「PlayStation 4」の詳細全文を読む スポンサード リンク
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