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ResearchChannel: Think Forward. Think Success. Michael Wellings, Director, Engineering San Diego
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Think Forward. Think ResearchChannel Topics of Discussion HD Network Update iHDTV Applications Current state of iHDTV system Planned Software Enhancements Demos System design Audio Video
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Think Forward. Think ResearchChannel iHDTV Explained iHD1500 iHD270 HD to the Desktop
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Think Forward. Think ResearchChannel iHDTV Explained iHD1500 Uncompressed SMPTE 292M 4:2:2 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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Think Forward. Think ResearchChannel iHDTV Explained iHD270 (first introduced aug 99) Sony HDCam tm 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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Think Forward. Think ResearchChannel 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 Demos
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Think Forward. Think ResearchChannel iGRID 2005 San Diego USA118: Global N-Way Interactive HD USA119: 20,000 Terabits under the sea
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Think Forward. Think ResearchChannel iGRID 05 – USA118 Sept 2005 - iGrid San Diego Enhanced HD interactive - USA118: Global N- Way Uncompressed Interactive Conferencing Remote sites: 1.University of Washington - Seattle 2.WIDE - Tokyo 3.University of Wisconsin - Madison 4.University of Michigan 5.SURFnet - Amsterdam 6.AARnet - Goldcoast
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Think Forward. Think ResearchChannel 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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Think Forward. Think ResearchChannel iGRID 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-way 250ms network delay one-way
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Think Forward. Think ResearchChannel
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iGRID USA 118 Network Diagram
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Think Forward. Think ResearchChannel iGRID USA 118
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Think Forward. Think ResearchChannel iGRID USA 118
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Think Forward. Think ResearchChannel iGRID 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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Think Forward. Think ResearchChannel
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iGRID USA 119
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Think Forward. Think ResearchChannel iGRID USA 119 Network
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Think Forward. Think ResearchChannel 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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Think Forward. Think ResearchChannel Open Source First quarter 2006 Looking at various forms of open source Call for participants iHD-X: Open Source
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Think Forward. Think ResearchChannel HD 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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Think Forward. Think ResearchChannel High Definition Video to the Desktop 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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Think Forward. Think ResearchChannel 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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Think Forward. Think ResearchChannel iHD1500 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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Think Forward. Think ResearchChannel iHD1500 Development The Future Software tile display software audio switching/mixing software video switching
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Think Forward. Think ResearchChannel For More Information www.researchchannel.org inquires: info@researchchannel.org Michael Wellings Director, Engineering wellings@researchchannel.org
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