1 School of Computing Science Simon Fraser University CMPT 820: Multimedia Systems RTP Media Synchronization for Live MobileVideo Streaming Bassam Almohammadi.

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Presentation transcript:

1 School of Computing Science Simon Fraser University CMPT 820: Multimedia Systems RTP Media Synchronization for Live MobileVideo Streaming Bassam Almohammadi

Mobile TV 2

A/V Sync Issue 3

Audio at the Sender 4

Sender Behavior 5

Audio at the Receiver 6

Receiver Behavior 7

Algorithm 8 SDP info

Algorithm 9 Record first RTP timestamp for all streams

Algorithm 10 First RTCP packet

Algorithm 11 Calculate For every RTP packet

Experiment 12

Results  Audio Buffer  Video Buffer 13 - Aligned Streams -Common local timestamp - APIs for lower level components

Thank you  Questions? 14