ResearchChannel:ResearchChannel:Think Forward. Think Success.Think Forward. Think Success.

Michael Wellings, Director, EngineeringSan Diego

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Topics of DiscussionTopics of Discussion

HD Network Update• iHDTV Applications

Current state of iHDTV systemPlanned Software Enhancements

• DemosSystem design

AudioVideo

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iHDTV ExplainediHDTV Explained

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

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iHDTV ExplainediHDTV Explained

• iHD1500• Uncompressed SMPTE 292M 4:2:2• Data rate total approx 1.5 gbps• Requires:

high-end HD capture cardsPCI Express PCsWindows XP (at the current time)

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iHDTV ExplainediHDTV Explained

• iHD270 (first introduced aug 99)• Sony HDCamtm compression• SDTI data format 270mbps• AJA Xena I/O• Requires:

AJA Xena-HD capture cardsDual Processor P4Windows XP (at the current time)Sony HDCam Hardware encoder/decoder

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• 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)

Scheduled DemosScheduled Demos

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iGRID 2005 San DiegoiGRID 2005 San Diego

• USA118: Global N-Way Interactive HD• USA119: 20,000 Terabits under the sea

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iGRID 05 – USA118iGRID 05 – USA118

• Sept 2005 - iGrid San Diego• Enhanced HD interactive - USA118: Global N-

Way Uncompressed Interactive Conferencing• Remote sites:

1. University of Washington - Seattle2. WIDE - Tokyo3. University of Wisconsin - Madison4. University of Michigan5. SURFnet - Amsterdam6. AARnet - Goldcoast

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iGRID 05 – USA118iGRID 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 Clients2 TX iHD1500 Hosts (Multicast)Evertz HD Video Tile GeneratorMultichannel mix-minus audio system

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iGRID 05 – USA118iGRID 05 – USA118

• iHD500 – first demonstrated at SC 04• Real-time HD communication: Australia and

Seattle > Pittsburgh @ 1.5gbps each direction• Relatively High latency (1500ms RT)

500ms hardware/software one-way250ms network delay one-way

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iGRID USA 118 Network DiagramiGRID USA 118 Network Diagram

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iGRID USA 118iGRID USA 118

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iGRID USA 118iGRID USA 118

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iGRID 05 – USA119iGRID 05 – USA119

• Sept 2005 - iGrid San Diego• First ever live HD/ip from a ship at sea to

viewers on shore• Ku-Band equipment upgrade to SeaTel antenna• Careful RF engineering to design satellite Link-

Budget• Real-time MPEG-2 MP@HL encoding • Ip gateway• Satellite modem 20mbps

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iGRID USA 119iGRID USA 119

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iGRID USA 119 NetworkiGRID USA 119 Network

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Software ChallengesSoftware 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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• Open Source•First quarter 2006•Looking at various forms of

open source

•Call for participants

iHD-X: iHD-X: Open SourceOpen Source

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HD ProjectsHD Projects

• Videoconferencing in HD @1.5mbps – iHD1500• Reduced latency using new hardware

• Blackmagic DecLink HD plus• AJA Video XENA-HS• Custom boards

• Possible hardware development and collaboration with RC Australian partners CSIRO and Intel

• HDV – requires some explanation

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High Definition Video to the High Definition Video to the DesktopDesktop

• FORMATS• MPEG2 MP@HL

• WM9-HD@720p

• REAL10• H.264, ACV, MPEG-4

• HDV

• PLAYERS• VLC (subject to license

issues)• WM9/10

• RealPlayer• QuickTime

• VLC

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iHD1500 applicationiHD1500 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 applicationiHD1500 application

Latency about 4 frames end to end plus network delay• 4 frames=133ms or ~ 1/7 sec• Network delay Australia>Philadelphia ~ 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 DevelopmentiHD1500 Development

The FutureSoftware tile displaysoftware audio switching/mixingsoftware video switching

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For More InformationFor More Information

• www.researchchannel.org

• inquires: info@researchchannel.org

Michael Wellings Director, Engineeringwellings@researchchannel.org