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Transcript

  • 1. -- Applications in the real world Chen Kai Chong, Peter 2005837094
  • 2. W hat is Streaming media ? It is media that is consumed (read, heard, viewed) while it is being delivered. It can be used on com puter, mobile phone and other mobile unit.
  • 3. H istory of Streaming Media In the 1970s, academic experiments proved out the basic concepts and feasibility of streaming media on computers. In the late 1980s, the primary technical issues with streaming were invented. The late 1990s, as the great progress on computer and network connection, it become used widely. Now the growth rate is more than 10% per year.
  • 4. Famous Software Media Players
  • 5. Company: Microsoft Features: proprietary freeware software media player. Support: WMV (Windows Media Video & Audio), WMA (Windows Media Audio), ASF (Advanced Streaming Format, WPL (Windows Playlist). Protocols: MMS (the Microsoft Media Services protocol) UDP (User Datagram Protocol ) TCP (Transmission Control Protocols ) HTTP (a modified version and always over TCP). W indows Media Player
  • 6. Company: RealNetworks Features: support MP3, MPEG-4, QuickTime, as well as multiple versions of proprietary RealAudio and RealVideo codecs (rm.rmvb and so on) Protocols: RDT (The Real Data Transport) RTSP (The Real Time Streaming Protocol ) RTP (The Real-time Transport Protocol) UDP (User Datagram Protocol ) TCP (Transmission Control Protocols ) HTTP (a modified version and always over TCP). Real Player
  • 7. Company: Apple Company Support : mp4, mov,mpeg-4,3DMF Protocols: UDP (User Datagram Protocol ) TCP (Transmission Control Protocols ) HTTP. … Quicktime
  • 8.
    • a. VOD
    • b. Online movie trailer or music listen
    • c. Advertisement
    • Broadcast (live sports events, video program, audio program)
    • Video phone
    A pplications of Media Streaming Technology
  • 9. Video on demand (VOD) systems allow users to select and watch video content over a network as part of an interactive television system. A pplications
  • 10. Live Broadcast It is widely used among the worldwide events, such as GRAMMY, OSCAR, Olympic games ...
  • 11. Radio Broadcast the worldwide radio services. A pplications
  • 12. Movie Trailer provided on the website attracts people to go cinema. A pplications
  • 13. V ideo Phone Camcorders stream video protocols A pplications
  • 14.
    • Conclusion:
    • Advantages:
    • Save money and time;
    • Interactive (VOD);
    • Make the communication more efficient;
    • Problem:
    • 1. Limitation of the computer network
  • 15.
    • High bandwidth network connection
    • Requirements for huge amount of information
    • Various kinds of personal terminal unit
    the F uture of S treaming M edia Streaming Media Technology will have a bright future!
  • 16. Thank You The End
  • 17. Q&A