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Systems Support for Continuous Media

Systems Support for Continuous Media. Scope of this class. Systems Support: Application Middleware Operating System Architecture Continuous Media: Video, audio, animation. Local Media Applications. Watch Movies Listen to Music Video Editing :. Network Media Applications.

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Systems Support for Continuous Media

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  1. Systems Support for Continuous Media

  2. Scope of this class • Systems Support: • Application • Middleware • Operating System • Architecture • Continuous Media: • Video, audio, animation

  3. Local Media Applications • Watch Movies • Listen to Music • Video Editing :

  4. Network Media Applications • Live Webcast • Pre-recorded Webcast • YouTube, … • Video Conferencing • Video on Demand

  5. Categories

  6. Streaming Media Requires • Reliable networks • Low latency • Bounded latency • Plenty of bandwidth Internet was designed as a best-effort medium However

  7. Overview Encoder Decoder Middlebox Receiver Sender Network

  8. We will NOT • Design new codec • Study media processing • CS6212/CS5240/CS5249 • Attempt to improve the Internet • EE5910/CS5224

  9. Summary of TopicsCovered

  10. Sample of Topics Covered • Review of Media Compression • Network Communication Model Encoder Decoder Middlebox Sender Receiver Network

  11. Sample of Topics Covered • Adaptation • Video on Demand Encoder Decoder Middlebox Sender Receiver Network

  12. Sample of Topics Covered • Buffering • Audio/Video Synchronization • Packet Loss Recovery Encoder Decoder Middlebox Sender Receiver Network

  13. Sample of Topics Covered • Caching • Application-Level Multicast Encoder Decoder Middlebox Sender Receiver Network

  14. Lecture Philosophy • Cover breadth, rather than depth • Classic papers, rather than recent papers

  15. Class Organization

  16. Goals • Learn about existing techniques and systems • Learn about current research efforts

  17. Philosophy • Students are expected to be • Mature • Independent • Resourceful • What you learn is (should be) more important than your grade

  18. Academic Honesty • No copying among students • No copying from published work ZERO TOLERENCE to Plagiarism

  19. Discussion? • Strongly encouraged, • but • must acknowledge all contributions • write up solutions independently

  20. Continuous Assessments

  21. Continuous Assessments • Project, Writeup & Presentation (35%) • Final Exam (40%) • 2 Quizzes (2 × 10%) • Participation (5%)

  22. Project (35%) Topic: video streaming in a networked virtual environment, i.e., Second Life Implement in C/C++ More details will be given in subsequent lecture TA:Beomjoo Seo

  23. Project • Deliverables: • At due date • 4-6 pages project report • Source code • Demo of completed project

  24. Final Exam (40%) • Open ended questions • Essay style • Previous exam questions are available in the library

  25. Quizzes (20%) • Quizzes (2 × 10%) • Open ended questions

  26. Web Sites • Main Website • http://www.comp.nus.edu.sg/~cs5248 • The class schedule is also on the web site. • Note that the Lunar New Year (Monday, 15 February) falls into the Recess Week.

  27. Q & A

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