ResearchChannel: Think Forward. Think Success.

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ResearchChannelThink Forward. Think Success.

• Michael Wellings, Director, Engineering9/19/05
• Philadelphia

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iHDTV Explained

• iHDTV Explained
• iHD1500
• iHD270
• HD to the Desktop

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iHDTV Explained

• iHD1500
• Uncompressed SMPTE 292M 422
• Data rate total approx 1.5 gbps
• Requires
• high-end HD capture cards
• PCI Express PCs
• Windows XP (at the current time)

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iHDTV Explained

• iHD270 (first introduced aug 99)
• Sony HDCamtm compression
• SDTI data format 270mbps
• AJA Xena I/O
• Requires
• AJA Xena-HD capture cards
• Dual Processor P4
• Windows XP (at the current time)
• Sony HDCam Hardware encoder/decoder

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iHD1500 application

• SMPTE 292M/ip
• 1.5gbps
• 1080-60i HD video with multiplexed audio
• ResearchChannel partner Intel PCE-Express 3.4GHz
  Xeon platforms
• ResearchChannel partner AJA Video Systems
  supplied initial round of Xena-HD capture boards

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iHD1500 application

• Latency about 4 frames end to end plus network
  delay
• 4 frames133ms or 1/7 sec
• Network delay AustraliaPhiladelphia 250ms
• Satellite latency about 250ms per hop
• H.323 devices about 250ms plus network delay
• No significant delay in video equipment

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iHD1500 application

• I/O Cards
• BlackMagic Decklink-HD for TX end
• AJA Xena-HS for RX end
• most are too complex
• little or no SDK support
• Limited driver set

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iHD1500 Development

• End-host network interface performance issues
• NIC ends up being the biggest load on the CPU
• tweaks to improve performance and reduce
  interrupts / second
• jumbo frames necessary

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Upcoming Events

• Sept 2005 - iGrid San Diego
• Enhanced HD interactive - USA118 Global N-Way
  Uncompressed Interactive Conferencing
• Underwater research using HD from SS Thompson
  USA119 20,000 Terabits Under the Sea
• Nov 2005 - SC05 Seattle
• Enhanced HD Interactive Conferencing/HD Storage
  and capture using SRB (Storage Resource Broker)

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iGRID USA 119
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iGRID USA 119 Network
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iGRID 05 USA118

• Sept 2005 - iGrid San Diego
• Enhanced HD interactive - USA118 Global N-Way
  Uncompressed Interactive Conferencing
• Remote sites
• University of Washington - Seattle
• WIDE - Tokyo
• University of Wisconsin - Madison
• University of Michigan
• SURFnet - Amsterdam
• AARnet - Goldcoast

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iGRID 05 USA118

• Sept 2005 - iGrid San Diego
• Remote site equipment
• 2 RX iHD1500 Hosts (multicast from iGRID)
• 1 TX iHD1500 Client
• Central site equipment
• 6 RX iHD1500 Clients
• 2 TX iHD1500 Hosts (Multicast)
• Evertz HD Video Tile Generator
• Multichannel mix-minus audio system

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iGRID 05 USA118

• iHD500 first demonstrated at SC 04
• Real-time HD communication Australia and Seattle
  Pittsburgh _at_ 1.5gbps each direction
• Relatively High latency (1500ms RT)
• 500ms hardware/software one-way
• 250ms network delay one-way

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iGRID USA 118 Network Diagram
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iGRID USA 118
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iGRID USA 118
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Future Software Challenges

• iHD1500 Enhancements
• tile display generated in software
• Audio mixing in software
• Audio mix-minus in software
• Video switching in software
• Possible Linux implementation

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iHDTV Open Source

• Open Source
• First quarter 2006
• Looking at various forms of open source
• Call for participants

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Internet HDTV Internet2 Demo

• HD streaming to desktops
• Multicast MPEG2 at 20Mb/s
• Windows Media 9 at 6Mb/s
• Internet2 Demo Media Streaming to Consumer
  Grade Devices
• Dates/Times Sept. 20, noon5 p.m.
• Sept. 21, 10 a.m.5 p.m.
• Location Conference Center Hall

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HD The State of the industry

• HDV format grows up
• Sony HVR-Z1U
• 1/3 169
• DV, DVCam
• HDV
• MPEG2 MP_at_H-14
• Does not quite
• Create 24p properly

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HD The State of the industry

• JVC GY-HD100
• 3 1/3 inch CCD 1280x720 169
• 720p with interchangeable lenses
• Will not shoot 1080
• Shipping this summer for about 10,000
• Manufactures 720 60p from 24p capture
• Sonys 50mb long GOP (15) professional product

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HD The State of the industry

• HDCam-SR 880mbps record
• Assume near future release of 1080p/60 recording
  (3gbps)
• XD-Cam (DVD recording)
• Long GOP (15) MPEG-2 36-72mbps

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HDV

• JVC GR-HD1
• 1 CCD 1.2 million pixel 43
• 800K pixel in HD mode 169
• Will not function as realtime live HD camera
• MPEG 420 GOP of 6

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HDV

• SONY HVR-Z1U
• 3 chip with spatial offset achieves 1440x1080
  HDV spec
• 169 native
• Good optical front end/ccd block
• MPEG 420 profile with GOP of 15

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HDV

• SONY HVR-Z1U
• Works as live HD camera in analog mode
• Editing possible in both IEEE 1394 transport
  MPEG2-TS HDV and analog Y, Pb, Pr
• Adobe Premiere 1.5 and FCP will ingest MPEG2-TS
  and edit in as AVI 1440x1080

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HDV Performance Multiburst
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Preliminary bandwidth comparison between
HDCAM/SR, XDCAM-HD and HDV
30 MHz
24 MHz
HD CAM-SR
HDCAM
10 MHz
20 MHz
30 MHz
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Handheld Devices

• www.kexp.org
• Path1 209.242.169.133
• http//www.researchchannel.org/demos/mf_handheld.a
  sp

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For More Information

• www.researchchannel.org
• inquires info_at_researchchannel.org
• Michael Wellings
• Director, Engineering
• wellings_at_researchchannel.org