Apple TV digital media receiver - is a device manufactured and sold by Apple Inc.. This device is a computer-type small form factor (SFF) which is intended to run the digital data coming from iTunes, Netflix, YouTube, Flickr, and MobileMe.
Additionally, Apple TV can also run a computer with data from the operating system Mac OS X or Windows via the iTunes software. Apple TV is displayed through an enhanced-definition or high-definition wide screen television. for detail informations about other technology click here.
Apple introduced this product in September 2006. Apple TV to launch in March 2007.  The first generation being marketed is equipped with 40 GB hard disk. Two months later, Apple TV are marketed with 160 GB hard disk version. At the 160 GB version is marketed, Apple TV 40 GB version is no longer manufactured.
In September 2010, Steve Jobs announced the second generation Apple TV. The size of second-generation Apple TV is only a quarter of the previous generation. In addition, it costs only one-third of the price of first-generation Apple TV. Second-generation Apple TV can run the same data with the previous generation, but the cost of rent. Second-generation Apple TV is produced with 8 GB of flash memory.
Apple TV first reply is known as the Apple Inc. product development, namely iTV, at a press conference in San Francisco, California on 12 September 2006. Apple Inc. CEO Steve Jobs operate this tool using Apple Remote. Industry observers later described the Apple TV as Mac Mini is small ..   Later, Steve Jobs announced that Apple will begin taking pre-orders on Apple TV on January 9, 2007, to coincide with the Macworld Conference and Expo.
Apple TV goes on sale on March 21, 2007. Apple released Apple TV 160 GB version on 31 May 2007, as well as signifying the cessation of production of 40 GB Apple TV version, on 14 September 2009.
Inside the magazine issue of January 15, 2008 Macworld, Steve Jobs announced a big change for Apple TV. An increase in software that operates the Apple TV. Apple TV can run a standalone device without having equipped with a computer (Windows or Mac OS X) running iTunes. Steve Jobs says "Apple TV was designed to be an accessory for iTunes and your computer. It was not people wanted. We learned what people wanted was movies, movies, movies. ""  These enhancements allow Apple TV users to rent and buy songs or movies directly from iTunes. In addition, podcasts and photo-streaming can be done using MobileMe and Flickr.
Apple TV Features
Apple TV allows users to use HDTV to view photos, play music and view video from the Internet Media Service or Local Network.
[Edit] Internet Media
Media Through Internet, users can do:
Users can access iTunes directly using the Apple TV to rent movies or TV shows and audio and video podcasts. Differences in first and second generation Apple TV, the first generation able to buy content and keep in your hard disk. Meanwhile, second-generation Apple TV is only equipped with flash memory, then the user can only be rented. Alternatively, users can purchase content via the Internet, store them in a computer, then running the content through the Apple TV before. Until mid-March 2009, the Apple TV is the only way to get HD iTunes content.
Apple TV can display images from Flickr and MobileMe in the form of a slide show. Photos in the slide show automatically displayed using the cross-dissolve transitions, or Ken Burns effect as an option.
Apple TV has been integrated with and can stream Netflix, since revision in September 2010.
Apple TV can display YouTube videos directly, as long as connected to the internet. To watch a video on YouTube, YouTube account is not required.
Apple TV also comes with parental controls, which lets users restrict access to certain content on the Internet media. Apple TV internet content media divide into 4 categories: "Internet Photos", "YouTube", "Podcasts", and "Purchase and Rental".
Each category comes with parental controls, namely: "Show", "Hide", or "Ask" 4-digit code that has been prearranged. Additionally, movies, TV shows, music, and podcasts can be limited through rating.
[Edit] Local Sources
Apple TV can do the synchronization or display photos, music, and videos from a computer running iTunes program.
With Apple TV, users can:
Connecting to a computer and make the Apple TV as a home media library
Provides direct connection to the photo organizer software like iPhoto Running Internet radio.
For users who want to connect Apple TV to a computer, synchronization and streaming modes available.
In synchronization mode, Apple TV works like an iPod (for audio synchronization). Apple TV as a whole are aligned with the library in iTunes on a computer, or only a portion of the content on the computer only.
After doing synchronization, Apple TV must remain connected to the internet or local network is created.
For photo synchronization, Apple TV software can be synchronized with iPhoto, Aperture, Adobe Photoshop Album, Photosop Elements, or also from a folder on the hard disk of a computer with Mac or Windows operating systems.
Apple TV can also function as a peer-to-peer digital media receiver. Apple TV can stream content to the more than 5 computers or iTunes libraries. In fact, five Apple TVs can be connected in a same iTunes library.
Format that can be run on Apple TV
H.264 up to 720p at 30 frames per second
MPEG-4 up to 720 x 432 (432p) or 640 x 480 pixels at 30 fps
Motion JPEG up to 720p at 30 fps
Picture JPEG GIF TIFF
HE-AAC (V1), AAC (16-320 kbit / s), Fairplay protected AAC, MP3 (16-320 kbit / s, with VBR), Apple Lossless, AIFF, WAV
Back of 1st generation Apple TV
Back of 2nd generation Apple TV
Apple TV can be connected to the monitor through an HDMI video output. The first version of Apple TV has component video outputs, while the second version is not equipped with this output. Parties who observe the development of the Apple TV says that Apple Inc. is heading the future with HDMI connectivity. In the future, everyone is assumed to have a television with an HDMI connection.
Apple TV can connect to the internet or local network via ethernet or Wi-Fi. Apple TV also comes with a Micro-USB port, but was limited to repair and diagnose if there is a problem on Apple TV. Here are The Technical specifications in details.