Audio And Video Over Internet

Audio and Video over Internet Sudarsun S., M.Tech Checktronix India Pvt Ltd Chennai 600034 [email_address]

Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Media Data types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TCP & UDP ,[object Object],[object Object],[object Object],[object Object],[object Object]

RTP (RFC 3550) ,[object Object],[object Object],[object Object],[object Object],[object Object]

RTP Format (V) Version; 2 bits (P) Padding; 1 bit. (X) Extension; 1 bit. (CC) CSRC Count; 4 bits. (M) Marker; 1 bit. (PT) Payload Type; 7 bits. Sequence Number ; 16 bits. Time Stamp ; 32 bits. SyncSRCId ; 32 bits. ContributingSRCId List ;

How RTP Works? IP UDP RTP HDR Audio Payload IP UDP RTP HDR Video Payload ,[object Object],[object Object]

RTP Vs OSI Data Link Frame Relay Ethernet Network IP IP UDP UDP Transport RTP RTP Application MPEG2 video PCMA audio

RTCP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Continuous Media ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RTSP (RFC 2326) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RTSP Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Error Correction ,[object Object],[object Object],[object Object]

Low Quality Piggybacking Works for single packet loss, How about multi-packet loss ?

Interleaving Data blackout is recovered with intermittent jitter

Network Strategies ,[object Object],[object Object],[object Object],[object Object]

Streaming Media ,[object Object],[object Object],[object Object],[object Object]

Live Broadcasting System SLTA: Simulated Live Transfer Agent (Rebroadcasting)

Streaming Media – On demand ,[object Object],[object Object],[object Object],[object Object],[object Object]

Where to Get More Information ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Limitations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Some Servers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object],[object Object]

Thank You Sudarsun S., M.Tech Director – Research and Development Checktronix India Pvt Ltd [email_address] November 2005

Audio And Video Over Internet

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