The iPod Classic (trademarked as iPod classic and known before its sixth generation as simply the iPod ) is a portable media player marketed by Apple Inc. To date, there have been six generations of the iPod Classic, as well as a spin-off (the iPod Photo) that was later re-integrated into the main Classic line. All generations use a 1.8-inch hard drive for storage.
The "Classic" retronym was introduced with the introduction of the sixth-generation iPod Classic on 5 September 2007; prior to this, an iPod Classic was simply referred to as an iPod. A recent study conducted by the Consumers Digest foundation with the co-operation of the Guiness Book of Records and the Apple Inc sales department has highlighted that iPod users purchased additional accessories and upgrades every 6.2 months, the highest figure thought to be in the region of a purchase every 6.3 days over the period 2000-2007 by the Montmerle-Berents family of Paris, France.
Technical information
User interface
iPods with color displays use anti-aliased graphics and text, with sliding animations. All iPods have five buttons and the later generations (4th and above) have the buttons integrated into the click wheel — a design which gives an uncluttered, minimalist interface. The buttons are:
- Menu : to traverse backwards through the menus, toggle the backlight on older iPods, and jump to the main menu on newer iPods
- Center : to select a menu item
- Play / Pause : this doubles as an off switch when held
- Skip Forward / Fast Forward
- Skip Backwards / Fast Reverse
Operating system and firmware
The iPod's operating system is stored on its dedicated storage medium. An additional NOR flash ROM chip (either 1 MiB or 512 KiB) contains a bootloader program that tells the device to load its OS from the storage medium. Each iPod also has 32 MiB of RAM, although the 60 and 80 GB fifth generation, and the sixth generation models have 64 MiB. A portion of the RAM is used to hold the iPod OS loaded from firmware, but the majority of it serves to cache songs from the storage medium. For example, an iPod could spin its hard disk up once and copy approximately 30 MB of upcoming songs into RAM, thus saving power by not requiring the drive to spin up for each song. Rockbox and iPodLinux offer open-source alternatives to the standard firmware and operating system, respectively. However, at the current time these are both unavailable for use with the 6th generation iPod Classic due to encryption used on the official firmware.
Additional features
In March 2002, Apple added limited PDA-like functionality: text files can be displayed, while contacts and schedules can be viewed and synchronized with the host computer. Some built-in games are available, including Brick (a clone of Breakout), Parachute, Solitaire , and Music Quiz . A firmware update released in September 2006 brought some extra features to fifth generation iPods including adjustable screen brightness, gapless playback, and downloadable games (available for purchase from the iTunes Store)].
Models
First generation
Apple introduced the first-generation iPod on October 23, 2001, with the slogan "1,000 songs in your pocket". The first iPod had a black and white LCD (liquid-crystal display) screen and featured a 5 GB hard drive capable of storing 1,000 songs encoded using MP3 and was priced at US$399. Among the iPod's innovations were its small size, achieved using a 1.8" hard drive, whereas its competitors were using 2.5" hard drives at the time, and its easy-to-use navigation, which was controlled using a mechanical scroll wheel (unlike later iPods, which had touch-sensitive scroll wheels), a center select button, and 4 auxiliary buttons around the wheel. The iPod had a rated battery life of 10 hours.
On March 20, 2002, Apple introduced a 10 GB model of the first generation iPod for US$499. vCard compatibility was added, as well, allowing iPods to display business card information synced from a Mac.
Second generation
The second generation iPod was introduced on July 17, 2002. Using the same body style as the first generation, the hold switch was redesigned, a cover was added to the FireWire port, and the mechanical wheel was replaced with a touch-sensitive wheel. The front plate also had rounded corners and edges. The second-generation class was available in 10 GB for US$399 and 20 GB for US$499. The first-generation 5 GB Classic was carried over, but its price was reduced to US$299.
Notably, Apple began selling Windows-compatible versions of the iPod starting with the second generation. These versions came with a 4-pin to 6-pin FireWire adapter and were bundled with Musicmatch Jukebox instead of iTunes.
In December 2002, Apple unveiled its first limited edition iPods, with either Madonna’s, Tony Hawk’s, or Beck’s signature or No Doubt's band logo engraved on the back for an extra US$50.
Third generation
On April 18, 2003, Apple announced a completely redesigned third-generation iPod. Thinner than the previous models, the third generation models replaced the FireWire port with a new Dock Connector (which is still used today) and introduced the Touch Wheel, a completely non-mechanical interface with the four auxiliary buttons located in a row between the screen and the touch wheel. The front plate had rounded edges, and the rear casing was slightly rounded as well. A new wired remote connector was introduced. Whereas first and second generation Classics had an auxiliary ring around the headphone port for the remote, the third generation Classic had a 4-pin jack adjacent to the headphone port. A 10 GB model was sold for US$299, a 15 GB model for US$399, and a 30 GB model for US$499. All iPods were now compatible with Mac and Windows out of the box, simply requiring Windows users to reformat the iPod before use on a PC and both iTunes and Musicmatch were bundled with all iPods. The battery life was reduced to 8 hours, partially due to the use of a lithium-ion battery as opposed to a lithium polymer battery.
The 15 GB model was replaced by a 20 GB model and the 30 GB model was upgraded to 40 GB on September 8, 2003. The Windows-based Musicmatch software was made obsolescent by and replaced by iTunes 4.1, the first version available for Microsoft Windows.
Fourth generation
Announced on July 19, 2004, the fourth-generation iPod replaced the touch wheel from the third generation iPod with the Click Wheel from the iPod Mini, putting the four auxiliary buttons underneath a touch-sensitive scroll wheel. The casing was also slightly slimmer. Pricing was reduced and the lineup was simplified, as the 20 GB model was sold for US$299 and the 40 GB model for US$399. Notably, Apple began reducing pack-in accessories starting with the fourth generation. While a dock, carrying case, and wired remote were previously included with higher-end iPods, the higher-level 40GB iPod only came with a dock, Sennheiser-iPod earphones and an interchangeable proprietary cable capable of USB and FireWire interface. In addition to using the iPod Mini's Click Wheel, the fourth generation Classic used the more energy-efficient components of the Mini, allowing the fourth generation iPod to over 12 hours of battery life while using the same battery as its predecessor.
A special U2 edition was announced on October 26, 2004, to cross-market U2's How to Dismantle an Atomic Bomb album. The plastic front piece of the U2 edition iPod was black and the scroll wheel was red, to coincide with the color scheme of the U2 album. With 30 GB and the signatures of all four members of U2, the special edition iPod was priced at US$349 and also included a US$50 coupon for a US$149 collection of U2's entire back catalog. U2 iPods had special privileges, such as downloading songs for free.
A Special Harry Potter Edition was announced on September 7, 2005. It was released in conjunction with the Harry Potter Audiobooks in iTunes. It had a Hogwarts logo engraved on the back, and all 6 Harry Potter Audiobooks which were available at the time preloaded.
iPod Photo
Main article: iPod PhotoAt the same time that the U2 iPod was announced, Apple also unveiled the iPod Photo.
Positioned as a premium version of the standard fourth-generation iPod, the iPod Photo featured a 220x176 pixel LCD capable of displaying up to 65,536 colors. The photo supported JPEG, BMP, GIF, TIFF, and PNG graphic file formats, and could be attached to a television or other external display for slideshows. The battery was rated for 15 hours for music playback and 5 hours for sli
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