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  1. 1. How Media Convergence Works About WiFi About PVR About Digital audio player About USB Group F How Media Convergence Works – p.1/6
  2. 2. About WiFi Wi-Fi is a trademark of the Wi-Fi Alliance, • founded in 1999 as WECA. The organisation comprises more than 300 companies, whose products are certified by the Wi-Fi Alliance, based on the IEEE 802.11 standards. This certification warrants interoperability between different wireless devices. How Media Convergence Works – p.2/6
  3. 3. About PVR Short for personal video recorder, a generic term • for a device that is similar to a VCR but records television data in digital format as opposed to the   VCR s analog format. VCRs utilize analog tapes to record and play programs broadcast over television, but PVRs encode video data in MPEG-1 or MPEG-2 formats and store the data in a hard drive. PVRs have all of the same functionality of VCRs (recording, playback, fast forwarding, rewinding, pausing) plus the ability to instantly jump to any part of the program without having to rewind or fast forward the data stream. How Media Convergence Works – p.3/6
  4. 4. About Digital audio player A digital audio player, more commonly referred • to as an MP3 player, is a consumer electronics device that stores, organizes and plays audio files. Some DAPs are also referred to as portable media players as they have image-viewing and/or video-playing support. MP3 players are now regularly built into mobile phones, making them the most common form of digital audio player. How Media Convergence Works – p.4/6
  5. 5. About USB In information technology, Universal Serial Bus • (USB) is a serial bus standard to interface devices to a host computer. USB was designed to allow many peripherals to be connected using a single standardized interface socket and to improve the Plug and play capabilities by allowing hot swapping, that is, by allowing devices to be connected and disconnected without rebooting the computer or turning off the device. Other convenient features include providing power to low-consumption devices without the need for an external power supply and allowing many devices to be used without requiring manufacturer specific, individual device drivers to be installed. How Media Convergence Works – p.5/6
  6. 6. Reference http://ja.wikipedia.org/wiki/Wiki • http://chiebukuro.yahoo.co.jp/ • How Media Convergence Works – p.6/6

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