ResearchChannel: Think Forward. Think Success.
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Transcript of ResearchChannel: Think Forward. Think Success.
ResearchChannel:ResearchChannel:Think Forward. Think Success.Think Forward. Think Success.
Michael Wellings, Director, EngineeringSan Diego
Think Forward. Think ResearchChannel
Topics of DiscussionTopics of Discussion
HD Network Update• iHDTV Applications
Current state of iHDTV systemPlanned Software Enhancements
• DemosSystem design
AudioVideo
Think Forward. Think ResearchChannel
iHDTV ExplainediHDTV Explained
• iHDTV Explained• iHD1500• iHD270• HD to the Desktop
Think Forward. Think ResearchChannel
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)
Think Forward. Think ResearchChannel
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
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 DemosScheduled Demos
Think Forward. Think ResearchChannel
iGRID 2005 San DiegoiGRID 2005 San Diego
• USA118: Global N-Way Interactive HD• USA119: 20,000 Terabits under the sea
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
Think Forward. Think ResearchChannel
iGRID USA 118 Network DiagramiGRID USA 118 Network Diagram
Think Forward. Think ResearchChannel
iGRID USA 118iGRID USA 118
Think Forward. Think ResearchChannel
iGRID USA 118iGRID USA 118
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
Think Forward. Think ResearchChannel
iGRID USA 119iGRID USA 119
Think Forward. Think ResearchChannel
iGRID USA 119 NetworkiGRID USA 119 Network
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
• Open Source•First quarter 2006•Looking at various forms of
open source
•Call for participants
iHD-X: iHD-X: Open SourceOpen Source
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
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
Think Forward. Think ResearchChannel
iHD1500 DevelopmentiHD1500 Development
The FutureSoftware tile displaysoftware audio switching/mixingsoftware video switching
Think Forward. Think ResearchChannel
For More InformationFor More Information
• www.researchchannel.org
• inquires: [email protected]
Michael Wellings Director, [email protected]