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ianuarie 16, 2009

Ipod Touch

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iPod Touch
IPod Touch 2.0.png
Second generation iPod Touch running 2.1 software
Manufacturer Apple Inc.
Type Portable media player/PDA
Retail availability 1st generation: September 13, 2007 – September 9, 2008
2nd generation: September 9, 2008 – present
Media Flash Memory
8, 16, or 32 GB
Operating system iPhone OS
1st generation: 2.2
2nd generation: 2.2
Power Lithium-ion battery
1st generation: Audio – 22 hours, Video – 5 hours
2nd generation: Audio – 36 hours, Video – 6 hours
CPU 1st generation: ARM11 400 MHz
2nd generation: ARM11 533 MHz[1]
Memory 128 MB DRAM
Display 480 x 320 3.5″ color LCD 3:2 aspect ratio, 163 pixels per inch (ppi)
Graphics PowerVR MBX Lite[2]
Input Multi-touch touchscreen
Connectivity USB 2.0
Wi-Fi 802.11b/g
Dimensions 1st generation: 110×61.8×8 mm (4.3×2.4×0.31 in)
2nd generation: 110×61.8×8.5 mm (4.3×2.4×0.33 in)
Weight 1st generation: 120 grams (4.2 ounces)
2nd generation: 115 grams (4.05 ounces)

The iPod Touch (trademarked as iPod touch) is a portable media player and Wi-Fi mobile platform designed and marketed by Apple Inc. The product was launched on September 5, 2007 at an event called The Beat Goes On.[3] The iPod Touch adds the multi-touch graphical user interface to the iPod line and is available with 8, 16, or 32 GB of flash memory. It includes Apple’s Safari web browser and is the first iPod with wireless access to the iTunes Store. With a software update, which is sold by Apple, it also has access to Apple’s App Store.[4] The second generation iPod Touch, featuring external volume controls, a built-in speaker, a contoured back and built-in Nike+ support, was unveiled on September 9, 2008 at the Let’s Rock keynote presentation.

Contents

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Description

The iPod Touch has the iPhone‘s multi-touch interface, with a physical home button off the touch screen. The home screen has a list of buttons for the available applications. The iPod Touch is equipped with Wi-Fi 802.11b/g. All iPod Touch models include the applications Music, Videos, and Photos (collectively duplicating the standard functions of the iPod Classic), iTunes (providing access to the Wi-Fi Music Store), Safari, YouTube, Calendar, Contacts, Clock, Calculator, and Settings. Later models added Mail (accessing POP/IMAP/SMTP e-mail), Maps, Stocks, Notes, and Weather, which could also be added to the earlier models with the purchase of a US$20 software upgrade.[5] The user can add direct links to web sites (called “Web Clips”) to the home screen.

On July 11, 2008 the iPhone 2.0 Software Update was released for the iPod Touch for US$9.95. The update allowed first generation iPod Touch devices to access the App Store, download third-party applications, in addition to a host of minor “fixes”. The iPod Touch 2.0 Software Update supports WPA2 Enterprise with 802.1X authentication.[6]

Models

Generation Capacity Color Connection (for syncing) Original release date Minimum OS to sync Rated battery life (hours)
First 8 GB Black USB 2.0 (FireWire for charging only) September 5, 2007 Mac: 10.4.10
Windows: XP SP2
audio: 22
video: 5
16 GB
32 GB February 5, 2008
Second 8 GB Black USB 2.0 only[7] September 9, 2008 Mac: 10.4.10
Windows: XP SP2
audio: 36
video: 6
16 GB
32 GB

Comparisons to the iPhone and model comparisons

For more details on this topic, see iPhone OS version history.

The iPod Touch and the iPhone share the same hardware platform and are controlled by the same iPhone OS operating system. The iPod Touch lacks some of the iPhone’s features: access to a phone network, a built-in microphone, a camera, Bluetooth capability, and GPS receiver; as a result, the iPod Touch is slimmer and lighter than the iPhone. Steve Jobs has referred to the iPod Touch as “training wheels for the iPhone”.[8]

The second generation iPod Touch has an external volume switch and a built-in speaker, like the iPhone. The second generation also comes with the chrome frame seen on the iPhone 3G, making the two almost identical when viewed from the front. However, there are some notable differences, as there is no speaker above the screen, no silent/ringer switch, and the sleep/wake button is on the other side. The second generation also supports audio input when a headphone or earphone with microphone capabilities is plugged into the audio output jack. Although unannounced and unsupported by Apple, the iPod Touch has Bluetooth capability, as the included Wi-Fi chip (Broadcom BCM4325) has Bluetooth and FM Radio support, as well as the advertised Wi-Fi capability.[9] It is believed that this Bluetooth capability is being used for Nike+iPod support, as Apple has said that the Nike+iPod kit works on an unspecified 2.4 GHz radio frequency.

Second generation iPod Touches are said to have a yellower cast/tint to the display, as compared to the iPhone or the original iPod Touch.[10] Claims have also been made that the applications processor inside the second generation iPod Touch runs faster than the processor inside the iPhone 3G.[11][12] The first generation iPod Touch works with all “Made for iPod” peripherals, but certain changes that Apple made to the second generation iPod Touch prevent some existing peripherals from recharging the updated player.[13]

Requirements

As supplied new, the iPod Touch needs a connection to a computer for initial configuration.[14] Officially, Apple requires iTunes to be installed on either a Mac OS X or Windows operating system based computer for configuring the iPod Touch. On either operating system, the iPod Touch must be connected through a USB port.[15] The first time the iPod Touch is turned on, a “connect cable to iTunes” graphic will be displayed continuously until the iPod Touch is connected to a computer running iTunes.[16]

To use the iPod Touch for buying products at the iTunes Wi-Fi Music Store via Wi-Fi, an iTunes Store account must be created in iTunes and the account details then entered into the iPod.[17]

Apple states that the following is required for the iPod Touch:[15]

  • A computer running either:
    • Mac OS X 10.4.10 or later
    • Microsoft Windows XP with SP2 or later, or Microsoft Windows Vista (32 or 64-bit versions)
  • iTunes 8.0 (with the 2.1 iPhone OS update) or 7.6 for iPhone OS 2.0.x or earlier
  • Available USB 2.0 port

Third-party applications

The App Store on an iPod Touch.

Jailbroken first generation iPod Touch in a red case, running iPhone OS version 1.1.1.

The only official channel to obtain third-party applications for the iPod Touch is Apple’s iTunes Store. The App Store application, available in all versions of the iPhone OS from version 2.0 (or Software Update 2.0) onwards, allows users to browse and download applications from an online repository with the iTunes Store. To develop such software, a software development kit (SDK) was officially announced on March 6, 2008, at an Apple Town Hall meeting.[18] The iPhone SDK allows developers to make applications for the iPhone and iPod Touch after paying a fee to join the development team. The developer can then set the price for the applications they develop and will receive 70% of the sale price. The developer can also opt to release the application for free and will not pay any additional costs.

Shortly after the iPod Touch was released (iPhone OS version 1.1.1), hackers were able to “jailbreak” the device through a TIFF exploit. The resulting application, “Installer.app”, enabled the user to download a selection of unofficial third-party programs. Some of these give the user more control over the iPod Touch than is officially available, and also makes it work on Linux operating systems. All subsequent versions of the iPhone OS can be jailbroken.[19] Servicing an iPod Touch after jailbreaking or other modifications made by unofficial means is not covered by Apple’s warranty.[20]

Specifications

The specifications as listed on Apple’s website for the second generation iPod Touch are:[15][21]

  • Screen material: Arsenic-free glass
  • Screen size: 8.9 cm (3.5 in)
  • Screen resolution: 480×320 px at 163 ppi, with 3:2 aspect ratio
  • Input method: Multi-touch screen interface, Sleep/Wake button, Accelerometer, Home button, Volume Rocker buttons
  • Operating system: iPhone OS (current version 2.2)
  • Storage: 8, 16, or 32 GB flash memory
  • CPU: ARM 400 MHz for 1st generation, 533 MHz for 2nd Generation[1]
  • GPU: PowerVR MBX Lite[22]
  • RAM: 128 MB DRAM
  • Wi-Fi (802.11 b/g)
  • Built-in rechargeable, non-removable lithium battery with up to 6 hours of video playback, and up to 36 hours of audio playback, times vary.
  • Built-in audio speaker.[23]
  • 3.5 mm audio output jack
  • Size: 110×61.8×8 mm (4.3×2.4×0.33 in)
  • Weight: 115 g (4.05 oz)
  • Direct iTunes Wi-Fi Music Store access
  • Widescreen video
  • Included applications: Safari web browser, YouTube client, Mail client, Google Maps
  • Access to App Store (requires iPhone OS 2.0 or later)
  • Widgets: Stocks, Weather, Notes
  • Access to Starbucks music (available only in selected cities across the United States)[24][25]

Timeline of full-size iPod models

See also: Template:Timeline of iPod models and Template:Timeline of compact iPod models

Sources: Apple press release library,[26] Mactracker Apple Inc. model database[27]

See also

References

  1. ^ a b That IPod Touch Runs at 533 MHz – PC World
  2. ^ http://www.electronista.com/articles/08/12/23/intel.stake.in.imagination/
  3. ^ Steve Jobs live — Apple’s “The beats goes on” special event. Retrieved on 2007-09-05.
  4. ^ iPod Touch – Features – Music, Movies, and More. Retrieved on 2007-09-05.
  5. ^ Apple iPod Touch – Features. Retrieved on 2008-01-15.
  6. ^ Apple Announces iPhone 2.0 Software Beta. Retrieved on 2008-05-15.
  7. ^ Horwitz, Jeremy (2008-09-12). “Apple iPod Touch Second-Generation (8GB/16GB/32GB)“. iLounge. Retrieved on 2008-09-17.
  8. ^ Fildes, Nic (September 19, 2007). “iPhone finally arrives but it’s neither cheap nor G3.“. The Independent. Retrieved on 2008-10-24.
  9. ^Broadcom page on wireless chip included in the second generation iPod Touch“. Broadcom.
  10. ^ http://www.macworld.com/article/135484/2008/09/ipodtouchfirstlook.html?lsrc=rss_main
  11. ^ New iPod Touch faster than iPhone 3GCNET News
  12. ^ http://toucharcade.com/2008/11/23/2nd-generation-ipod-touch-faster-than-iphone/
  13. ^ iPod touch 2G Won’t Support Some iPod PeripheralsMP3 Newswire
  14. ^ Apple iPod touch First Impressions Review. Retrieved on 2007-12-09.
  15. ^ a b c Apple – iPod Touch – Technical Specifications, Apple Inc.. Retrieved on 2007-09-05.
  16. ^ iPod touch unpacking tour and first look (photos), AppleInsider. Retrieved on 2007-12-09.
  17. ^ RETRACTION: iPod touch: iTunes account optional, Deep Thought. Retrieved on 2007-12-09.
  18. ^ Live from Apple’s iPhone SDK press conference – Engadget
  19. ^WinPwn official site” (2008-07-25). Retrieved on 2008-07-26.
  20. ^ iPod and iSight Warranty (PDF), Apple Inc., page 1. Retrieved on 2008-12-24.
  21. ^ Apple – iPod touch – Features, Apple Inc.. Retrieved on 2007-10-08.
  22. ^ http://www.electronista.com/articles/08/12/23/intel.stake.in.imagination/
  23. ^ iPod touch: What’s New, Apple Inc.. Retrieved on 2008-09-23.
  24. ^ Apple and Starbucks Announce Music Partnership, Apple Inc.. Retrieved on 2007-10-08.
  25. ^ Apple – iTunes – Starbucks, Apple Inc.. Retrieved on 2007-10-08.
  26. ^ Apple press release library, Retrieved September 19, 2007.
  27. ^ Mactracker (mactracker.ca), Apple Inc. model database, version as of
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