Week5 Lecture1 Streaming media Audio video content over

Week-5 (Lecture-1) Streaming media: • Audio video content over internet • Played immediately • No wait for download file • Use the data packet Advantages: • Video search • Monitor the content (content log) • Efficient use of bandwidth • More control of content creator

Week-5 (Lecture-1) Usage / Application • advertisements • Art • Education • Entertainment • Engineering • Medicine • Mathematics • Business

Week-5 (Lecture-1) Multimedia Communications 3

Week-5 (Lecture-1) Methods of Streaming Stored Audio And Video 1. 2. 3. 4. Using a Web Server with Metafile Using a Media Server and RTSP 5

Week-5 (Lecture-1) 1 - Using a Web Server 6

Week-5 (Lecture-2) 2 - Using a Web Server with Metafile 7

Week-5 (Lecture-2) 3 - Using a Media Server 8

Week-5 (Lecture-2) 4 - Using a Media Server and RTSP 9

Week-5 (Lecture-2) Streaming Media Protocols: Real time transport (RTP)- • Critical high bandwidth need of streaming Real time sharing protocol (TRSP)- • Allows play, pause, fast forward Synchronized multimedia integration language (SMIL)- • Text based markup language • Presented in time constrained manner 10

Week-5 (Lecture-2) Question- Why HTTP not suitable for streaming? Answer: • HTTP runs on TCP • TCP lacks of timeliness • TCP change data transfer rate of client-server connection according to availability of bandwidth, not the need of media • TCP not suited to multicast 11