IPTV Codec & Packeting

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Part 1 of IEEE lecture on IPTV. It explores the features of IPTV, its coding/decoding scheme, and its packet forming.

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IPTV Codec & Packeting

  1. 7. IP network, optimised to deliver video services to any / multiple devices, using optical / cable / wireline / wireless networks
  2. 12. Joint Technical Committee
  3. 13. VCD DVD DVB DVB-S2 MPEG-1 MPEG-2 MPEG-4
  4. 16. I B B B P B B B P Video Sequence Time Group of Pictures Pictures Slice Macro Blocks Block 8x8
  5. 19. I B B B P B B B P Video Sequence Time Group of Pictures Pictures Slice Macro Blocks Block
  6. 26. One 16x16 Macroblock Uses one motion vector Two 8x16 Macroblocks Uses two motion vector Two 16x8 Macroblocks Uses two motion vector Four 8x8 Macroblocks Uses four motion vector Eight 8x4 Macroblocks Uses eight motion vector Eight 4x8 Macroblocks Uses eight motion vector Sixteen 4x4 Macroblocks Uses sixteen motion vector
  7. 27. I B B P P I B P Video Sequence Time
  8. 33. Packet Prefix Stream ID PES Header Length 1 0 PES Header Flag PES Header Length PES Header Fields Compressed Video Content 24 8 16 2 14 8 Var
  9. 34. Synchronisation byte Transport error indicator Program identifier Transport scrambling control Adaptation field control Continuity counter Adaptation field Payload unit start indicator Transport priority Video Data 8 16 2 4 Var 1 1 1 2
  10. 35. MPEG Transport Stream Packet 1 MPEG Transport Stream Packet 2 MPEG Transport Stream Packet 3 MPEG Transport Stream Packet N PES Packet 1 PES Packet 2 PES Packet N Elementary Video Stream Packet Header Compressed Video Content Packet Header Compressed Video Content Packet Header Compressed Video Content Video Picture 1 Header Video Picture 2 Header Video Picture 3 Header Video Picture N Header MPEG-TS Payload RTP Header RTP Header UDP Header IP Header Ethernet Header Ethernet CRC MPEG-TS Payload

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