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وهذي تعريف لل psp منقول من ويكيبيديا الموسوعة الحرة
بلاي ستيشن بورتبل أو كما تلقب اختصارا
بي أس بي (
PlayStation Portable أو
PSP) هي نظام ألعاب محمول من صناعة شركة
سوني اليابانية، هي الجيل الثالث لنظام الألعاب
بلاي ستيشن. تم عرضها بتاريخ
11 مايو 2004 في مؤتمر صحفي لسوني أثناء معرض
E3 للتقنيات الترفيهية في
مدينة لوس أنجلس.
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PSP (PlayStation Portable)
Manufacturer Sony Computer Entertainment Type
Handheld game console Generation Seventh generation era First available
JP December 12,
2004 NA March 24,
2005 KR May 2,
2005 EU September 1,
2005 AU September 1,
2005 CPU MIPS R4000-based; clocked from 1 to 333 MHz Media
UMD System storage
Memory Stick PRO Duo Connectivity
Wi-Fi (802.11b),
IrDA,
USB Units sold Worldwide: 24.70 million units shipped as of
December 31,
2006[1] United States: 9.58+ million
[2] Japan: 6.23+ million,
[2] Europe &
Australasia: 8.89+ million
[2] Top-selling game
Grand Theft Auto: Liberty City Stories The
PlayStation Portable (プレイステーション・ポータブル,
Pureisutēshon Pōtaburu?, officially abbreviated as
PSP) is a
handheld game console released and manufactured by
Sony Computer Entertainment. Its development was first announced during
E³ 2003, and it was officially unveiled on
May 11,
2004 at a Sony press conference before E³ 2004. The system was released in
Japan on
December 12,
2004, the
United States and
Canada on
March 24,
2005 and in
Europe and
Australia on
September 1,
2005.
Contents
[
hide]
//
Variations and accessories
In Japan a base unit package or Core Pack was available at launch and was later released in North America and Europe.
[3] The Core Pack contains the console, a battery, and an AC adapter. The Core Pack retails for
USD $199,
HKD $1360,
CDN $198.99,
EUR €199.99,
AUD $329.99 and
GBP £149.99.
[4]
The Value Pack contains everything the core does, as well as a 32
MB Memory Stick Pro Duo, earphones with remote control, a slip-case, a wrist strap, and a Sampler Disc (in some territories). The Value Pack retails for USD $249 after mail-in rebate, CDN $249.99, GBP £179.99,
JPY ¥26,040,
HKD $1660,
SGD $455.00, EUR €209, AUD $399 and
NZD $429.00. In some areas, the Value Pack has been superseded by the Entertainment Pack, containing the items of the Core Pack plus a copy of
ATV Offroad Fury: Blazin' Trails, the UMD movie
Lords of Dogtown, and a 1 GB Memory Stick Pro Duo. The Giga Pack is similar to the value pack, except that the Memory Stick Pro Duo is upped to 1 GB; it also includes a USB Cable and stand. It retails for JPY ¥29,800, USD $299, CDN $349, and GBP £214. The Giga Pack is still available in all territories except North America, as the deal was based on a special offer that ended after the 2005 holiday season. Various other packages also exist.
Optional accessories offered by Sony include the PlayStation Portable headset, carrying case, extended-life 2200
mAh battery, headphones with remote control, battery charger, car adapter, accessories pouch and cleaning cloth, AC adapter, and system pouch and wrist strap.
Colors
PlayStation Portable is currently available in 6 colors: black, ceramic white, pink, metallic blue, silver, and champagne. The ceramic white variation is available in Japan, South Korea, Taiwan, Thailand, Singapore, Hong Kong, Australia, New Zealand, and Europe, while the pink variation is available only in Europe, Hong Kong, Singapore and Japan. The silver and metallic blue variations were released on
14 December 2006 and
21 December 2006 respectively in Japan and Hong Kong exclusively. But now technology and gamers have figured out how to take off the faceplate on the PSP and put on different colors in its place.
[5] A "champagne gold" coloured PSP was released in Japan on
22 February 2007.
[6] Camera and GPS
The
Chotto Shot Camera and
GPS attachment were first announced for the PSP in March 2006.
[7] The Quick Shot (ちょっとショット,
Chotto Shot?) is a camera add-on which supports video and photo taking. The camera was released in Japan on
November 1,
2006 for ¥5,000 (approximately $42 USD). The GPS receiver features support for GPS-enabled games such as a projected re-release or update of
Hot Shot Golf, as well as
Metal Gear Solid: Portable Ops. The GPS Receiver went on sale in Japan
December 7,
2006[8] for ¥6,000 (approximately $50 USD). Sony has not announced plans to release either accessory outside of Japan.
Games Main article: List of PlayStation Portable games
In addition to playing PlayStation Portable games, there have been new releases of downloadable
PlayStation games that can be played via emulation for the PlayStation Portable. Currently, the only official way to access this feature is through the
PlayStation Network service for
PlayStation 3. Unofficially, almost any PlayStation game can be played without requiring a PlayStation 3 by using a
custom firmware.
Controls
Despite its movie and music playback capabilities, the PlayStation Portable has primarily gaming-oriented controls (as opposed to the controls typical to television remotes or
MP3 players): two shoulder buttons, the PlayStation face buttons (triangle, circle, cross, square), start and select buttons, a digital 4-directional pad, and an analog stick. There is also a row of secondary controls along the underside of the screen, for controlling volume, music settings (either switching the audio off and on in games or selecting different
equalizer presets), screen brightness, and a "Home" button for accessing the system's main menu.
The PlayStation Portable's
analog stick, often referred to as the analog "nub", is a circular disc which slides rather than tilts. The analog stick can also be easily removed and replaced with an alternative third party stick.
Demos Main article: List of PlayStation Portable game demos
Demos for commercial PlayStation Portable games can be downloaded and booted directly from the Memory Stick Duo. Demos are also sometimes issued in
UMD format and mailed out.
[citation needed] Greatest Hits titles Main article: List of Sony Greatest Hits games
During
E3 2006, Sony Computer Entertainment America announced that the Greatest Hits range of budget titles were to be extended to the PSP system. On
July 25,
2006, Sony CEA released
[9] the first batch of
Greatest Hits titles. The PSP Greatest Hits lineup consist of games that have sold 250,000 copies or more and have been out for 9 months. Every PSP game in this lineup will retail for $19.99 each.
Sony Computer Entertainment Europe announced at around the same time the availability of a number of titles under the
Platinum range for €24.99 each in the Eurozone and £19.99 in the UK.
Multimedia playback 
MagicGate Memory Stick Slot
PlayStation Portable's audio player supports a number of audio codecs, including
AAC,
MP3, and
WMA, and has the option to be played with or without a set of five visualizations. The image viewer will display several common
image formats including
JPEG and
PNG. However, image viewing is limited by the file size and resolution of the image and any image exceeding a file size or resolution cannot be displayed. (This is usually the case with attempting to show
DSLR images on a PlayStation Portable.)
MPEG-4 and
AVC video formats are also compatible with PlayStation Portable. With reasonable video and audio bit-rate settings (a resolution of 320×240, a video bit rate of 500
Kb per second, and an audio sampling rate of 22050
kHz) a 22 minute video file is roughly 55
MB, enough to fit on a Memory Stick Duo as small as a 64 MB. At the same rate, a hundred-minute feature film can fit on a 256 MB Memory Stick. Many movie files, both free-to-distribute and
copyrighted, have been encoded for the PlayStation Portable and are available on the Internet. Game and movie trailers are increasingly available, even from the studio's official site.
There are numerous software applications and hardware devices specifically designed for PlayStation Portable's various media-centric applications.
Wireless networking
The PlayStation Portable can connect to a
wireless network through
Wi-Fi IEEE 802.11b. This allows two (or more) players with PlayStation portables to create a local, ad-hoc network for multiplayer gameplay, and also allows the a PSP user to connect to the internet via an internet-connected Wi-Fi router. By connecting to the internet, players can compete against other players also connected to the internet, or browse the
web and
download files to the Memory Stick via the built-in
Access Co. NetFront browser. Use of wireless network features unfortunately increases the power consumption and results in a lower battery life.
[10]
The PlayStation Portable features a standard
IrDA port located on the top left of the device. To date, the only games or applications to leverage this feature have been homebrew. This can be used to control many TVs as well as other iR devices.
Internet connectivity Main article: List of PlayStation Portable Wi-Fi games
The PlayStation Portable's main menu allows the user to configure the system for use across the
Internet or an
intranet via a wireless connection, known as
infrastructure mode. The PlayStation Portable's menu can recognize protected and non-protected wireless networks within its range, and supports connecting to WEP and WPA
encrypted networks.
Use of infrastructure networks in PlayStation Portable software began with a small number of titles at the U.S. launch, supporting online play.
South Korean PlayStation Portables have shipped with software providing web browsing and multimedia streaming features, but only through company-owned Wi-Fi hot spots, and with a monthly fee.
[11]
Sony's
LocationFree Player allows users to stream live television broadcasts (or other video content) to their PlayStation Portable, within their WiFi network, or remotely via the internet.
RSS feeds
The
RSS features allow the user to download video web feeds or listen to podcasts from websites. RSS or podcast content can be saved to the Memory Stick Duo. Audio content can be streamed and played "live." Blogs however, are not supported.
Ad-hoc networks
Ad-hoc wireless networking allows for up to 16 PlayStation Portables within range to communicate directly to each other (typically for multi player gaming). One unit acts as the host for a game, which is available to other PlayStation Portable units within that system's range, and appears in a list when the
client PlayStation Portable searches for available
hosts. One can also use an Ad-Hoc network to send images from one PlayStation Portable to another by use of the "send" and "receive" functions that appear in the "PHOTO" menu.
Gamesharing Main article: List of PlayStation Portable Gamesharing games
Some titles for the PlayStation Portable support a feature dubbed "gamesharing", which facilitates a limited set of multi player features between two PlayStation Portables with only one copy of the game UMD. A reduced version of the game being shared is transferred to the PlayStation Portable without a UMD via the PlayStation Portable's Wi-Fi connection, whereupon it is loaded into
RAM and runs.
Such "gameshare versions" of titles usually have their feature set reduced because of technical limitations. This is mainly due to transfer times since data for the game must be transferred to the second PlayStation Portable wirelessly, at a rate of 11
megabits per second.
Design and specifications Technical specifications
The PlayStation Portable was designed by Shin'ichi Ogasawara (小笠原伸一) for the Sony Computer Entertainment subsidiary of
Sony Corporation. Early models were made in Japan but in order to cut costs, Sony has farmed out PlayStation Portable production to non Japanese manufacturers, mainly in China.
The unit measures 170 mm (6.7 inches) in length, 74 mm (2.9 inches) in width, and 23 mm (0.9 inches) in depth, and has a mass of 280 grams (a weight of 0.62 lb) including the battery. The Samsung (previously SHARP) branded
TFT LCD screen measures 110 mm (4.3 in) diagonal with a 16:9 ratio and a 480×272 pixel resolution capable of 16.77 million colors. It has four possible brightness settings, the brightest of which is disabled unless on A/C power in normal Sony firmware.
The PlayStation Portable's main microprocessor is a multifunction device that includes a
MIPS R4000-based
CPU, hardware for multimedia decoding (such as
H.264), as well as a
vector unit dubbed "Virtual Mobile Engine". The MIPS CPU core is globally clocked between 1 and 333
MHz. During the 2005
GDC, Sony revealed that it had capped the PlayStation Portable's CPU
clock speed at 222 MHz for licensed software. Its reasons for doing so are unknown, but are the subject of some speculation. However, recently released games such as
Ratchet and Clank: Size Matters use a 266 MHz clock speed. Various homebrew tools enable users to operate at 333 MHz, generally leading to a higher frame rate at the expense of battery life.
The system has 32
MiB main
RAM and 4 MiB embedded
DRAM. There is no memory management unit for the CPU. No evidence of a
TLB has been found. The co processor that normally manages the TLB-based
MMU seems to be a custom effort by Sony and has no integrated memory.
The 166 MHz graphics chip has 2 MiB embedded memory and through its 512 bit interface provides hardware
polygon and
NURBS rendering, hardware directional lighting,
clipping, environment projection and
****ure mapping, ****ure compression and
tessellation,
fogging,
alpha blending, depth and stencil tests, vertex blending for
morphing effects, and dithering, all in 16 or 24 bit color. The graphics chip also handles image output. Specifications state that the PlayStation Portable is capable of rendering 33 million flat-shaded polygons per second, with a 664 million pixel per second fill rate.
[12] Optical Drive See also: Universal Media Disc The PlayStation Portable uses a drive compatible with Sony's Universal Media Disc format. Use of the drive increases battery drain by approximately 10% and the system has been criticized for having very slow data transfer speeds, translating into load times of more than 2 minutes for some games. For these reasons, alternate firmware releases contain the capability to run games from disc images stored on the Memory Stick Duo instead.
Battery life
PlayStation Portable's default battery life varies widely depending on application from less than 3 hours while accessing a wireless network and having screen brightness on its highest setting to more than 10 hours during MP3 playback with the screen turned off.
[13] An extended-life 2200
mAh battery will increase this by approximately 20%. A sleep mode is also available that uses minimal battery power to keep the system's RAM active, allowing for "instant on" functionality. A system in sleep mode (with a fully-charged battery) has been shown to lose an average of only 1% battery life per 24-hour period.
Interface
The PlayStation Portable's main menu interface is the "
Cross Media Bar". (XMB) used by recent Sony TVs, the
PSX (DVR) hardware, and the
PlayStation 3. It consists of a horizontal sequence of icons, in this case Settings, Photo, Music, Video, Games, and Network, which show a vertical sequence of sub-icons when highlighted.
The main menu system allows the user to, amongst other things, adjust settings such as date, time, and the PlayStation Portable's nickname for wireless networking, play video or audio files from the memory stick, load games or movie UMDs, check on estimated battery life, and set the PlayStation Portable into a "link mode" which makes the inserted memory stick available to a PC via USB. The XMB may be accessed at any time in a game by pressing the "Home" button on the console.
The PlayStation Portable's default background color changes depending on the current month of the year. The user may also manually pick a specific color theme or specify a background from any stored image on the PlayStation Portable Memory Stick using firmware version 2.00 or newer, or specific homebrew.
[14] Firmware
Each PlayStation Portable runs a particular version of the PSP
firmware, which comprises the device's operating system and additional core functionality. Firmware updates can be obtained in four ways:
- Direct download to the PSP over Wi-Fi. This can be performed by choosing "Settings", "Network Update" from the XMB.
- Download to a PC, then transfer to the PSP via a USB cable or Memory Stick.
- Included on the UMD of some games. These games may not run with earlier firmware than the version on their UMD.
- Download from a PS3 to a PSP system via a USB cable. [Japanese Version Only]
While firmware updates can be used with consoles from any region, Sony recommends only downloading firmware updates released for the region corresponding to the system's place of purchase. Firmware updates have added various features including. a web browser,
Adobe flash support, additional codecs for images, audio, and video,
PlayStation 3 connectivity, as well as patches against several security exploits, vulnerabilities, and execution of
homebrew programs.
[15] If the power supply is lost while writing to or updating the firmware, the console will no longer be able to boot.
The latest firmware is version 3.30.
[16] Homebrew development Main article: PlayStation Portable homebrew
In May 2005, it was found that PlayStation Portables using the 1.00 version of the firmware (meaning original, first launch Japanese-only PlayStation Portables) could execute
unsigned code. What this meant in practice was that these PlayStation Portables could run homebrew software, as the mechanism for checking to make sure that software has been approved by Sony had not yet been activated. Later exploits have allowed for PlayStation Portables using later versions of the firmware to run homebrew applications, and development of both new exploits to bypass restrictions and new restrictions to limit unauthorized programs is ongoing. While not all versions of the PlayStation Portable firmware have an exploit at any given time, the versions have been quickly decrypted and rewritten by programmers, allowing for the creation of custom firmware that lacks the prohibition on running unsigned code. Not all firmwares need an exploit, since then can be upgraded to the next firmware.
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