Download to read offline
![Lecture-1[1]distribution and presentation of information.ppt](https://cdn.slidesharecdn.com/ss_thumbnails/lecture-11-250905221759-ea666976-thumbnail.jpg?width=640&height=640&fit=bounds)
Multimedia Networking Script Green University of Bangladesh
- 1. 1 Slide.... Multimedia Networking 2Slide.... Team Member Introduce… 3 Slide.... OUTLINE • Introduction • What is multimedia netwoking • Why multimedia netwoking • Applications of multimedia netwoking • Application tools for multimedia • Technical challenges • Performance issues • Desirable features of a Multimedia System • Online sites of multimedia networking • 4 Slide.... INTRODUCTION Multimedia Diverse classes of media employed to represent information. Multimedia Networking Transmission and distribution of multimedia information on the network 5 Slide.... WHAT IS MULTIMEDIA NETWORKING Networked multimedia is to build the multimedia on network and distributed systems. So different users on different machines can share image, sound, video, voice and many other features. And to communicate with each under multimedia networking tools.
- 2. 6 Slide… WHY MULTIMEDIANETWORKING Multimedia combines the interactivity of computer with a natural user interface that includes images, sounds, animation, full-motion video, and voice recognition. People can share the multimedia resource and communicate, work collaboratively. so they may produce more effective results and save more time and money. 7 Slide… APPLICATIONS 8 Slide… • Streaming Stored Audio and Video 1. Multimedia content has been prerecorded & stored on a server. 2. Users request audio/video file on demand. 3. Interactivity is allowed 9 Slide… • Live Streaming Streaming playback can lag tens of seconds after transmission. Examples: • Internet radio talk show • Live sporting event 10 Slide… INTERACTIVE, REAL-TIME • Real-Time Data End-to-end delay sensitive Examples: Video conference Distributed interactive worlds
- 3. 11 Slide… APPLICATION TOOLSFOR MULTIMEDIA Supporting multimedia requires application tools. They are usually divided into these categories • Authoring tools • Graphics tools • Animation tools • Audio tools • Video tools 12 Slide… TECHNICAL CHALLENGES 13 Slide… SOME TECHNICAL CHALLENGES 1. Real-time data over non-realtime network 4. Illegal access to transmitted data in networks. 2. High data rate over limited network bandwidth. 5. Malicious content modification and retransmission of illegitimate copies 3. Unpredictable availability of network bandwidth. 6. Reproduction of a digital product. 14 Slide… HOW TO PREVENT • Public or Secrete key Cryptography: Original data are encrypted by the providers using a private key. The users can decrypt the received data • Authentication: Users should be able to check the originality of the content of a digital product. Content verification can be performed by attaching digital signatures to the transmitted data • Copyright Protection: Watermarks modify slightly the digital data to embed non- perceptible encoded copyright information
- 4. 15 Slide… DESIRABLE FEATURESOF A MULTIMEDIA NETWORKING SYSTEM A desirable multimedia networking system should provide high bandwidth and low latency to support seamless transmission of data-intensive content like video, audio, and graphics in real-time. It must ensure scalability to handle multiple users and devices simultaneously without degradation in performance. Reliability is essential, with robust error-correction and redundancy features to prevent data loss or interruptions. The system should support various multimedia formats and protocols while ensuring compatibility across devices and platforms. Security features, including encryption and access controls, are also critical to protect sensitive content from unauthorized access. Lastly, it should offer user-friendly management and configuration tools. 16 Slide… DESIRABLE FEATURES >> VERY HIGH PROCESSING POWER >>> Multimedia Capable File System >> Efficient and High I/O >> DESIRABLE FEATURES >> Special Operating System >>> Storage and Memory >> Network Support >>> Software Tools 17 Slide… Reference 18 Slide… Any Question 19 Slide… Thank You