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Software
iPod functions are at stake:
1. File formats MP3 audio.
2. Audio formats WAV files.
3.M4A / AAC-LC audio formats.
4. Protected AAC audio formats.
5. AIFF file formats.
6. Audible audio books and audio formats
7. Apple Lossless audio formats.
Capabilities of the 5th generation iPod version of the game. m4v y. MP4 MPEG-4 video file formats.
Microsoft Windows version of iTunesYou can encode regular copy protected WMA files to a
iPod compatible format. WMA files with copy protection can not be played in iTunes or copy to an iPod.
What I do not like about the iPod is the inability to play a different format, including Ogg Vorbis and FLAC. MIDI Files can not be played on iPods as well, but can be compatible with the audio file format, by converting the "Advanced" tab in the iTunes menu are.
Apple has designed theiPod software with your iTunes library that lets you manage your music collection on your computer and your iPod. iTunes automatically synchronizes your iPod with specific playlists or with the entire contents of a music library each time switch the iPod to a host computer.
You can also make a rating (5 stars) on every song, and this information can be synchronized with an iTunes music library. iTunes does not have the ability to transferSongs from iPod to computer because of legality issues.
However, there are some third party programs, device synchronization, like iTunes offer, but offer the possibility of new music from the iPod to the host computer to copy. Notable examples include vPod and Winamp iPod plugin for ML.
iTunes Music Store
The iTunes Music Store (iTMS) is an online music store run by Apple and accessed via iTunes. It
submitted on 28April 2003 and sells individual songs relatively easily and cheaply (eg $ 0.99;
0.99 euro, 0.79 GBP).
iPod is the only portable music player that can play purchased music, and this exclusivity has
helped the company become the dominant online music services.
Audio files purchased using the AAC format with added encryption. The encryption is based on the FairPlay digital rights management (DRM). Up to five authorized computers and an unlimited numberThe amount of the iPod can play the files.
Burn files to CD audio digital rights management (DRM), a cost reduction
Quality of the reintroduction of a lossy format to another compressed.
iPod can play music files with other competitors, Digital Rights Management (DRM) encryption
like Microsoft's protected WMA or RealNetworks' Helix DRM.
Hardware
iPod functions, which was to connect the computer of a user in connection with the songs and updateCharge the battery only
Initially via FireWire. It could also simply connect a small adapter that charges the iPod comes with some of the first s. generation of free
The 3 is now a standard dock connector to the Generation of High in April 2003 so that users
the possibility of using FireWire or USB for data transmission, even though the device was not yet
USB and the USB cable was not charged with them.
Most PCs do not FireWire ports, so this step has really opened the market for Windows to your iPod, USB, although only Windows users had to maintain its FireWire cable into the wall adapter.
The dock also made it possible to transmit data, voice and power and creates new accessory for the iPod that was a market for explosive devices that are very profitable for third parties such as Belkin and Griffin. The resulting large number of connecting devices remains one> IPod 's competititors of its greatest strengths.
Capabilities of iPod 4 generation version could be recharged with a USB port, and eventually Apple began shipping iPods with USB cables instead of one with FireWire. Many Mac computers shipped before 2004 had only USB 1.1, which transmission speed of 11 Mbit / s for use as FireWire 400 and USB 2.0 480. Versus' s
Although none of these transfers really accurate in these rates, USB 1.1 is much slower than the other two, and for someUSB 1.1 to fill, maybe only for the transmission of music collections to a 40GB iPod unusable. Later, the introduction of the iPod has continued to reduce "dependence on FireWire-s.
iPod shuffle, published in January 2005, connects directly to a USB port without a dock connector and has no Firewire support. The iPod nano was launched in September 2005, a dock connector, a FireWire cable connected to the device provides for free, but not for data transmission. Withthe 5th generation iPod, Apple any support data transfer via Firewire to any model of iPod era.
Like the Nano, the 5th s Generation iPod dock connector, a FireWire cable can take power and to draw, but only the USB connection, no FireWire, the data transfer – a message that appears in iPod screen support.
This has attracted some criticism from the Mac community, because a function FireWire standard wasApple Macs for many years, while USB 2.0 only began in October 2003.
The first three generations of iPod used two ARM CPUs 7TDMI derived from more than 90 MHz, while the new models with variable speed chips that store a maximum of 80 MHz so that the battery life.
The iPod using 1.8-inch (46 mm) of ATA hard drives (with a proprietary connector) from Toshiba and the iPod Mini uses a Compact Flash inch Microdrive hard drives made by Hitachi. It has a 32 MBFlash ROM chip that says to load a bootloader, a program the device to the operating system from another medium (in this case contains) the hard disk.
All iPods except the 60GB version of the 5th generation, which has 32 MB of RAM, which contains some of the operating system loaded by the firmware and the vast majority of the cache is used to load the songs from the hard disk.
For example, iPod could spin the hard drive and again around 30 MiB copy of the songs in a playlistin memory is not short of power by turning up the unit for each song. (The 60 GB Fifth Generation iPod has 64 MB of RAM, the battery life is extended further.)
iPod was introduced with a black and white screen that was used, but not the current model, A. iPod photo (also published in the functions of the 4th generation iPod, the end of 2004) has a color display, while the iPod shuffle (published in January 2005) has no screen at all.
WhenThe iPod mini has been with the iPod Nano, which got a color display) (capacity and photo and the 5th generation of the entire full-size iPods have color screens and photo-replace function.
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