SEMINAR ON WEB TV N.SARVESH(09K21A0246)

INTRODUCTION ABOUT WEB TV HISTORY OF WEB TV INTERACTIVE PROGRAMMING WEB TV OPERATORS FEATURES SET-TOP BOX

MULTIMEDIA COMPONENTS TYPES OF CONNECTIONS ADVANTAGES DIS-ADVANTAGES CONCLUSION

INTRODUCTION A web TV is a specially-adapted television set designed to allow internet connection. Set-top box which connects to a standard TV for the same purpose. Web TV is the combination of television and the Internet. Being able to access the Internet through your television instead of a desktop PC. Play along with game shows, participate in polls, and chat with other viewers during Interactive TV programming

Web TV gets you connected by a TV and a Phone Line or Cable. Friends and family interact with internet new forms of entertainment all from your TV. Play along with game shows. Make business through videoconferencing. Participate in polls. Chat with other viewers during Interactive TV programming. ABOUT WEB TV

HISTORY In September, 1996, Sony and Phillips introduced the first Web TV set-top boxes from Web TV Networks.They became known as Web TV Classic, sometimes called the Web TV Internet Terminal In August of 1997, Microsoft Corp bought Web TV Networks In January 1999, Web TV Networks, Inc. and EchoStar Communications Corp. announced the Web TV Personal TV service for Satellite.

Much like interactive advertisements that enable advertisers to reach new audiences and differentiate their offerings, interactive programming enables broadcasters and content providers to engage viewers in unique, relevant and useful ways. INTERACTIVE PROGRAMMING Content and services can include the ability for viewers to get more in-depth information on the programs they are watching, voice opinions through online voting, chat with other show fans, play games, purchase merchandise on demand and much more

WEBTV OPERATORS MSN TV (formerly Web TV), an internet appliance from Microsoft Walaw A (now bankrupted), based on a set-top box from Netgem embedded in a standard TV Thomson Tak, high-resolution TV

With Interactive TV programming you can: Play along with game shows, participate in polls, and chat with other viewers Automatically program your VCR with a click of a button Search thousands of on-screen Interactive TV Listings Join a community of people who share ideas through online Chat. FEATURES

SET-TOP BOX

COMPONENTS OF SET-TOP BOX NETWORK INTERFACE DECODER BUFFER SYNCHRONIZATION HARDWARE

NETWORK INTERFACE User to receive data from the server and send data sever It allows the back to back network interface In a manner that it can be understood by the server.

DECODER (compressed). (uncompress among other things). This is part of what a modem does. The decoding process is Order to save storage space, disk bandwidth, and network bandwidth, movies are usually encoded Thus, the end-users need a decoder to decode before they are sent over the network The incoming stream's data before it's viewable This process sometimes demodulation or heavy lifting

BUFFER The network arrival time of a video stream cannot be determined exactly. This way if there are fluctuations in the transport time of the video stream to that receiver The stream is often received one or even a few seconds before it's actually seen by the end-user The viewer won't know the difference as their buffer has a bit of time to spare.

SYNCHRONIZATION HARDWARE

MULTIMEDIA The television interface to the Internet provides broad creative opportunities for web development. Sound and animation contribute a great deal to the creation of a more "television-like" experience for the user. The latest version of Web TV supports a wide spectrum of sound and animation, including: wav, aiff, au, MOD, MIDI and GSM, RealAudio 3.0, and Macromedia’s Flash 1.0

TYPES OF CONNECTIONS CABLE MODEM CABLE INTERNET WEB TV

CABLE MODEM

CABLE INTERNET

WEB TV

COMPNENTS Four primary components must be considered in broadcast design for the Web : The audience Screen size Color usage Mouse less navigation.

ADVANTAGES They do not need to understand PC technology to make Web TV work. Consumers do not need to spend more money on a computer. There is no complicated configuration, as there might be with modems, Netscape, other ISP's, etc. More comfortable environment--sofa, large screen, etc.

DISADVANTAGES Users cannot store files locally or download programs The service is basically text only. The only browser that can be used is Web TV's own Users cannot use word-processing or spreadsheet programs It does support IRC and HTML chats, but not Java- powered chats.

Conclusion The television interface to the Web offers much potential, especially to providers of goods and services. As Web TV's Crossover Links(TM) become more common, integrating television programming with web site content will greatly enhance the media experience for the viewing audience.

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