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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]
Overview  ,[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)
On-demand System Structure
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

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Audio And Video Over Internet

  • 1. Audio and Video over Internet Sudarsun S., M.Tech Checktronix India Pvt Ltd Chennai 600034 [email_address]
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. 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 ;
  • 9.
  • 10. RTP Vs OSI Data Link Frame Relay Ethernet Network IP IP UDP UDP Transport RTP RTP Application MPEG2 video PCMA audio
  • 11.
  • 12.
  • 13.
  • 14.  
  • 15.
  • 16.
  • 17. Low Quality Piggybacking Works for single packet loss, How about multi-packet loss ?
  • 18. Interleaving Data blackout is recovered with intermittent jitter
  • 19.
  • 20.
  • 21. Live Broadcasting System SLTA: Simulated Live Transfer Agent (Rebroadcasting)
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28. Thank You Sudarsun S., M.Tech Director – Research and Development Checktronix India Pvt Ltd [email_address] November 2005