iPod is a brand of a series of digital media player device that is designed and sold by Apple Computer (Hewlett-Packard also had to sell the product with the name Apple iPod + HP). The name “iPod” is also used to represent the name of one of the variants of digital media players in the circuit (this variant is now called the “iPod classic”). Most of the variants of the iPod provides a user interface (user interface) is simple to use design in the form of steering wheel (scroll wheel). iPod classic storing data on a hard drive, while other models use flash memory. Like most other music player device, the iPod can be used as an external hard drive when connected to a computer.
Tony Fadell was first inspired to make the iPod outside of Apple Computer: the time he was having trouble finding funds to finance the music player device he created.  At the time he showed it to Apple Computer, the company hired him as an independent contractor for fruition of this project. He was given the responsibility to build a team that will develop the first two generations of this device. After that the next iPod developments conducted under the auspices of Jonathan Ive, head of the industrial design group at Apple Computer.
As of October 2004, the iPod dominates the music player device sales in the United States, with the market reaching 92% of the hard drive and more than 65% of the market other types. iPods have been sold rapidly, exceeding ten million units within three years. The device has an enormous cultural impact on society when compared to the time the tool was first launched.
iPod can play MP3 formatted documents, WAV, AAC/M4A, Protected AAC, AIFF, Audible audiobook, and Apple Lossless. The tool can not play OGG Vorbis formatted documents, FLAC, Windows Media Audio (WMA) or RealAudio. Apple Computer may not support these formats, because they are regarded as rival software developed by Apple Computer’s QuickTime. Windows version of iTunes software can convert WMA to AAC documents with the exception of documents that have copy protection.
Apple designed the iPod to work with iTunes software, which allows users to manage their music collections on computers and iPods. iTunes can sync an iPod directly to the collection of certain songs or entire collections owned by the user at the time the iPod is connected to a computer.
The first generation iPod special function only as a music player device. Renewal of the next firmware add PDA functions: The device is then able to store information from your address book and iCal software is in use by Macintosh users. iPod can also display a text document can be manipulated, although not using the iPod.
- iPod Classic (Generation 1, 2, 3, 4, 5)
- iPod Mini (Generation 1, 2)
- iPod U2 (Generation 1, 2,3)