MULTIMEDIA AND SYSTEM DESIGN

1. Multimedia Systems
CSE 228F
Amarnath Gupta
gupta@sdsc.edu

2. Some Course Details
• Course home page http://www.sdsc.edu/~gupta/CSE228F.html
• References
• Networked Multimedia Systems by S.V. Raghavan and S.K.Tripathi
• The MPEG homepage: http://drogo.cselt.stet.it/ufv/leonardo/mpeg/
• Multimedia Information Systems
by V. S. Subrahmanian (Editor), S. K. Tripathi (Editor)
• Programming references
• Java Media API
http://www.javasoft.com/products/java-media/jmf/index.html
• Java Advanced Imaging API
http://www.javasoft.com/products/java-media/jai/index.html

3. What is Multimedia?
• Multimedia: a working definition
• A combination of two or more categories of
information having different transport signal
characteristics
• Typically, one medium is a continuous medium
while another is discrete
• Image, audio, video and graphics are examples
of media

4. Images
• Some Issues
• Is the image as high-quality as I need?
• Is the image efficiently stored and
transmitted?
• Can the image be retrieved by its content?

5. Videos
• Some issues
• How are the temporal relations between the
media represented?
• What do I need to stream video across the
network?
• Are the different media synchronized?
• How can I describe a video retrieval request
like a query?

6. What is a Multimedia System?
• A system that involves:
• generation
• representation
• storage
• transmission
• search and retrieval
• delivery
of multimedia information
 production/authoring tools
 compression and formats
 file system design
 networking issues
 database management
 server design, streaming

7. A Course-on-Demand System
Multimedia
Database
Network
On-line facilitator
user
Database server
Courseware
developer

8. A Course-on-Demand System
Authoring
Tool
JavaClient
Network
Server
DBApplication
IntegrationSoftware
Metadata
DB
Media
Server
User
Interface

9. A Media-on-Demand System
• A real system
• Praja Event Experience
• Praja Concert
• Praja Football

10. A Media-on-Demand System
• A real system
• Praja Event Experience
• Praja Concert
• Praja Football