Gurus of Tech Chicago breakout class “Video Distribution Workflow & Transmission Solutions”

As promised, Here is a brief overview of the breakout class I did at Gurus of Tech Chicago on March 1, 2011. I’ve included hyper-links to articles & products.

• Class Topic Overview
  • Destination usage
    • Laptop, TV or Large venue viewing determines your distribution model
  • Video bandwidth overview
    • Uncompressed
      • SD-SDI 270Mbps (480i) SMPTE 259M-C
      • HD-SDI 1.485 Gbit/s (1080i) SMPTE 292M
      • HD-SDI 3G 2.970 Gbit/s (1080p) SMPTE 424M
    • Compression
      • DV 25Mbps
      • DVCPro50 50Mbps
      • DVCProHD  100Mbps
      • DVD 3-9.5Mbps
      • BluRay 36-54Mbps
      • NetFlix 2.6-3.8Mbps
      • OTA HD 19.3Mbps max
      • Dish Network/Comcast
        • SD 2Mbps
        • HD 4Mbps
        • Satellite (Leadership Summit) 13Mbps
        • AT&T Video Transport Services
          • SD-SDI circuits uncompressed 270Mbps one way
        • Internet streaming
          • 300k to 3.5Mbps
  • Distribution models
    • On campus distribution
      • Dedicated cable runs
        • Coax SDI or RF, Fiber
        • Uncompressed but distance limitations
    • Off Campus distribution
      • SneakerNet (tape delay)
        • Live Capture to a hard drive, then copy & deliver
        • Satellite transmission (QoS)
          • Costs – effective for  lots of destinations
          • 1 uplink charge + sat time
          • No downlink charge, have as many sites as you want, $2k per site for dish & receiver
        • Fiber transmission (Qos)
          • AT&T TV circuits
          • Costs = expensive
            • NFL model
            • NorthPoint Church
            • Dark fiber
        • IP transmission (no guaranteed Quality of Service)
          • Live video streaming
            • Encoder to Computer
              • Flash player on a website
              • Kulabyte
              • CDN’s
                • Akamai
                • 316 Networks
                • BitGravity
            • Encoder to Decoder
              • Haivision
              • StreamBox
              • LiveTimeNet (Qos)
  • SAMPLE Configuration & Workflow scenarios
    • Adobe Live Flash Media Encoder
    • WireCast, BoinxTV, Kulabyte
    • • Sample Live Streaming Workflow @ 300k
        • DVD Player
        • Canopus ADV-1000
        • Mac Laptop
          • Keep CPU under 90%
          • Applications/Utillities/Activity Monitor – apx.10%
          • 316 Networks 300k stream
          • 20MB on the McHenry campus
        • Sample Live HD Stream from SB campus
          • WireCast 720p @ 2.5Mbps
    • Haivision
      • Jeff Burner to talk about 20 minutes on his application & workflow
• Conclusion
• Q & A

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