Research Channel Think Forward Think Success Michael Wellings

Research. Channel: Think Forward. Think Success. Michael Wellings, Director, Engineering San Diego

Topics of Discussion HD Network Update • i. HDTV Applications Current state of i. HDTV system Planned Software Enhancements • Demos System design Audio Video Think Forward. Think Research. Channel

i. HDTV Explained • i. HD 1500 • i. HD 270 • HD to the Desktop Think Forward. Think Research. Channel

i. HDTV Explained • i. HD 1500 • Uncompressed SMPTE 292 M 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) Think Forward. Think Research. Channel

i. HDTV Explained • i. HD 270 (first introduced aug 99) • • Sony HDCamtm compression SDTI data format 270 mbps AJA Xena I/O Requires: AJA Xena-HD capture cards Dual Processor P 4 Windows XP (at the current time) Sony HDCam Hardware encoder/decoder Think Forward. Think Research. Channel

Scheduled Demos • Sept 2005 - i. Grid San Diego • Enhanced HD interactive - USA 118: Global N-Way Uncompressed Interactive Conferencing • Underwater research using HD from SS Thompson – USA 119: 20, 000 Terabits Under the Sea • Nov 2005 - SC 05 Seattle • Enhanced HD Interactive Conferencing/HD Storage and capture using SRB (Storage Resource Broker) Think Forward. Think Research. Channel

i. GRID 2005 San Diego • USA 118: Global N-Way Interactive HD • USA 119: 20, 000 Terabits under the sea Think Forward. Think Research. Channel

i. GRID 05 – USA 118 • Sept 2005 - i. Grid San Diego • Enhanced HD interactive - USA 118: Global NWay Uncompressed Interactive Conferencing • Remote sites: 1. 2. 3. 4. 5. 6. University of Washington - Seattle WIDE - Tokyo University of Wisconsin - Madison University of Michigan SURFnet - Amsterdam AARnet - Goldcoast Think Forward. Think Research. Channel

i. GRID 05 – USA 118 • Sept 2005 - i. Grid San Diego • Remote site equipment: 2 RX i. HD 1500 Hosts (multicast from i. GRID) 1 TX i. HD 1500 Client • Central site equipment: 6 RX i. HD 1500 Clients 2 TX i. HD 1500 Hosts (Multicast) Evertz HD Video Tile Generator Multichannel mix-minus audio system Think Forward. Think Research. Channel

i. GRID 05 – USA 118 • i. HD 500 – first demonstrated at SC 04 • Real-time HD communication: Australia and Seattle > Pittsburgh @ 1. 5 gbps each direction • Relatively High latency (1500 ms RT) 500 ms hardware/software one-way 250 ms network delay one-way Think Forward. Think Research. Channel

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i. GRID USA 118 Network Diagram Think Forward. Think Research. Channel

i. GRID USA 118 Think Forward. Think Research. Channel

i. GRID USA 118 Think Forward. Think Research. Channel

i. GRID 05 – USA 119 • Sept 2005 - i. Grid San Diego • First ever live HD/ip from a ship at sea to viewers on shore • Ku-Band equipment upgrade to Sea. Tel antenna • Careful RF engineering to design satellite Link. Budget • Real-time MPEG-2 MP@HL encoding • Ip gateway • Satellite modem 20 mbps Think Forward. Think Research. Channel

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i. GRID USA 119 Think Forward. Think Research. Channel

i. GRID USA 119 Network Think Forward. Think Research. Channel

Software Challenges • i. HD 1500 Enhancements: • • • tile display generated in software Audio mixing in software Audio mix-minus in software Video switching in software Possible Linux implementation Think Forward. Think Research. Channel

i. HD-X: Open Source • First quarter 2006 • Looking at various forms of open source • Call for participants Think Forward. Think Research. Channel

HD Projects • Videoconferencing in HD @1. 5 mbps – i. HD 1500 • Reduced latency using new hardware • Blackmagic Dec. Link HD plus • AJA Video XENA-HS • Custom boards • Possible hardware development and collaboration with RC Australian partners CSIRO and Intel • HDV – requires some explanation Think Forward. Think Research. Channel

High Definition Video to the Desktop • FORMATS • MPEG 2 MP@HL • PLAYERS • WM 9 -HD@720 p • VLC (subject to license issues) • WM 9/10 • REAL 10 • H. 264, ACV, MPEG-4 • Real. Player • Quick. Time • HDV • VLC Think Forward. Think Research. Channel

i. HD 1500 application • SMPTE 292 M/ip • 1. 5 gbps • 1080 -60 i HD video with multiplexed audio • Research. Channel partner Intel PCE-Express 3. 4 GHz Xeon platforms • Research. Channel partner AJA Video Systems supplied initial round of Xena-HD capture boards Think Forward. Think Research. Channel

i. HD 1500 application Latency about 4 frames end to end plus network delay • • • 4 frames=133 ms or ~ 1/7 sec Network delay Australia>Philadelphia ~ 250 ms Satellite latency about 250 ms per hop H. 323 devices about 250 ms plus network delay No significant delay in video equipment Think Forward. Think Research. Channel

i. HD 1500 Development The Future Software tile display software audio switching/mixing software video switching Think Forward. Think Research. Channel

For More Information • www. researchchannel. org • inquires: info@researchchannel. org Michael Wellings Director, Engineering wellings@researchchannel. org Think Forward. Think Research. Channel