ResearchChannel
Transcription
ResearchChannel
ResearchChannel Michael Wellings, Director, Engineering APAN 2006 Topics of Discussion HD Network Update • iHDTV Applications Current state of iHDTV system Planned Software Enhancements • Demos System design Audio Video Think Forward. Think ResearchChannel ResearchChannel Goals • Develop a recognized national and international media presence for research activity • Maximize the distribution and accessibility of research resources from participating institutions to public audiences around the world Think Forward. Think ResearchChannel ResearchChannel Goals • Create accessible, high-quality video resources for scientific communities • Lead and partner in technology experiments to develop new methods of exchanging interactive multimedia research information on a global scale Think Forward. Think ResearchChannel The Company We Keep • Universities • Research institutions • Corporate research centers Think Forward. Think ResearchChannel ResearchChannel Participants A.B. Freeman School of Business at Tulane University California State University, Sacramento Duke University George Mason University Johns Hopkins University Massachusetts Institute of Technology National University of Singapore New York University Oregon State University Pennsylvania State University Rice University Rutgers, The State University of New Jersey Stanford University Medical Center Texas A&M University Tufts University Universidad de Puerto Rico Universidade de São Paulo University of Alaska - Fairbanks University of Chicago University of Hawaii University of Maryland University of Michigan University of Pennsylvania University of Southern California University of Virginia University of Washington University of Wisconsin-Madison Virginia Tech Yale University Think Forward. Think ResearchChannel ResearchChannel Participants AARNet Advanced Network Forum AJA Video Systems Inc. CENIC Fujinon Howard Hughes Medical Institute IBM Corporation Intel Corporation Internet2 Johnson & Johnson Library of Congress Microsoft Research National Academies National Academy of Engineering National Academy of Sciences National Institute of Nursing National Institute of Standards and Technology National Institutes of Health National Library of Medicine National Science Foundation National Sea Grant College Program Pacific Northwest Gigapop Poznañ Supercomputing and Networking Center R1edu.org SURFnet Vulcan Northwest Inc. Wisconsin Public Television Think Forward. Think ResearchChannel U.S. Television Distribution 21.9 million households • DishNetwork satellite system • • 11.5 million homes Cable systems • 10.4 million homes • 35 states Think Forward. Think ResearchChannel Online Usage on the Rise Yearly Web Visits: Average Visits Each Day: Streaming Content Plays Each Year: Average Plays Each Day: July ’04 July ’05 756,484 1,634,088 2078 4489 49,222 1,394,144 135 3830 Think Forward. Think ResearchChannel Web Trends: Streaming Media Programs Played up 1,600% over last year 160000 140000 120000 100000 80000 60000 40000 20000 Files Played per Month 7/03 - 7/04 Files Played per Month 7/04 - 5/05 7 / 1 / 2 0 8 0 / 3 1 / 2 0 9 0 / 3 1 / 1 2 0 0 / 0 1 3 / 2 1 0 1 0 / 3 1 / 2 1 0 2 0 / 3 1 / 2 0 1 0 / 3 1 / 2 0 2 0 / 4 1 / 2 0 3 0 / 4 1 / 2 0 4 0 / 4 1 / 2 0 5 0 / 4 1 / 2 0 6 0 / 4 1 / 2 0 7 0 / 4 1 / 2 0 8 0 / 4 1 / 2 0 9 0 / 4 1 / 1 2 0 0 / 0 1 4 / 2 1 0 1 0 / 4 1 / 2 1 0 2 0 / 4 1 / 2 0 1 0 / 4 1 / 2 0 2 0 / 5 1 / 2 0 3 0 / 5 1 / 2 0 4 0 / 5 1 / 2 0 5 0 / 5 1 / 2 0 0 5 0 Think Forward. Think ResearchChannel Web Trends: Viewing Duration Total program viewing time increased 345% 700,000 600,000 500,000 400,000 300,000 200,000 100,000 Minutes Played per Month 8/04-6/05 7 / 1 / 1 8 9 / 9 1 9 / 1 9 9 / 9 1 9 / 1 1 0 9 / 9 1 9 / 1 1 1 9 / 9 1 9 / 1 1 2 9 / 9 1 9 / 1 1 9 / 9 1 9 / 2 2 0 / 0 1 0 / 2 3 0 / 0 1 0 / 2 4 0 / 0 1 0 / 2 5 0 / 0 1 0 / 2 6 0 / 0 1 0 / 2 7 0 / 0 1 0 / 2 8 0 / 0 1 0 / 2 9 0 / 0 1 0 / 1 2 0 0 / 0 1 0 / 1 2 1 0 / 0 1 0 / 1 2 2 0 / 0 1 0 / 2 1 0 / 0 1 0 / 2 2 0 / 0 1 1 / 2 3 0 / 0 1 1 / 2 4 0 / 0 1 1 / 2 5 0 / 0 1 1 / 2 6 0 / 0 1 1 / 2 0 0 1 0 Minutes Played per Month 8/03-8/04 Think Forward. Think ResearchChannel ResearchChannel Programs • More than 2,100 hours of programming in the VOD library • Almost 400 new programs added this year, and this number is on the rise Think Forward. Think ResearchChannel iHDTV Explained • iHDTV Explained • iHD1500 • iHD270 • HD to the Desktop Think Forward. Think ResearchChannel iHDTV Explained • iHD1500 • • • • Uncompressed SMPTE 292M 4:2:2 Video format 1080i/60 10bit Data rate total approx 1.5 gbps Requires: high-end HD capture cards Dual 1 Gige NICS PCI Express PCs Windows XP Think Forward. Think ResearchChannel iHDTV Explained • iHD270 (first demonstrated aug 99) • • • • Sony HDCamtm compression SDTI data format 270mbps AJA Xena I/O (Windows version of AJA-Kona) Requires: AJA Xena-HD capture cards Dual Processor P4 Windows XP (at the current time) Sony HDCam Hardware encoder/decoder Think Forward. Think ResearchChannel Recent Demonstrations • 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) Think Forward. Think ResearchChannel iGRID 2005 San Diego • USA118: Global N-Way Interactive HD • USA119: 20,000 Terabits under the sea Think Forward. Think ResearchChannel iGRID 05 – USA118 • Sept 2005 - iGrid San Diego • Enhanced HD interactive - USA118: 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 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 Think Forward. Think ResearchChannel iGRID 05 – USA118 • iHD500 – built upon demonstration with Intel at SC 04 • Real-time HD communication: Australia and Seattle > Pittsburgh @ 1.5gbps each direction • PCI Express platforms provided by Intel • Relatively High latency (1500ms RT) 500ms hardware/software one-way 250ms network delay one-way Think Forward. Think ResearchChannel Think Forward. Think ResearchChannel iGRID USA 118 Network Diagram Think Forward. Think ResearchChannel iGRID USA 118 Think Forward. Think ResearchChannel iGRID USA 118 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 LinkBudget • Real-time MPEG-2 MP@HL encoding • Ip gateway • Satellite modem 13 mbps on-station Think Forward. Think ResearchChannel Think Forward. Think ResearchChannel HD VOD • http://www.researchchannel.org/demos/mf _desktophd.asp Think Forward. Think ResearchChannel iGRID USA 119 Think Forward. Think ResearchChannel iGRID USA 119 Network Think Forward. Think ResearchChannel Software Challenges for SC ‘05 • iHD1500 Enhancements @ SC ‘05: • • • • tile display generated in software Audio mixing in software Audio mix-minus in software Video switching in software 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 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 Think Forward. Think ResearchChannel iHD1500 Software Think Forward. Think ResearchChannel SC’05 Think Forward. Think ResearchChannel iHD-X: Open Source • Open Source • First quarter 2006 • Open source structure be settled on 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 and Intel Think Forward. Think ResearchChannel DigitalWell: Grid-enabled Digital Asset Management • • • • • Integration - Broadcast, Streaming, VoD End to End Automation • Capture, Describe, Preserve, Discover, Deliver Deliver Realism – Exploit Next Gen Networks • Commodity to SD to HD Formats Content Agnostic – “Data Blobs” Modular Extensible Architecture • • • Federated Interoperation – DLibs & DataGrids • • • Evolve with Technology Middleware, Metadata, Rights, Web Services API SDSC Storage Resource Broker Namespace & Storage Abstraction Collections • • • • Television: UWTV, ResearchChannel Radio: KEXP, KDNA Partners: Microsoft Research Lecture Series Campus: Radiology, Astronomy, Ethnomusicology, Oceanography, Forestry, … Think Forward. Think ResearchChannel DigitalWell: D-Lib & Data Grid Federation Authenticated Authorized Interoperation Synchronize, Share, Mirror, Preserve … PRAGMA Sites SC’05 RCGrid DigitalWell Metadata, Collections, Applications, Rights … SRB Data Grid AARNET RC Australia MBARI Scripps NSDL Sites CDL WUNGrid Think Forward. Think ResearchChannel High Definition Video to the Desktop • FORMATS • MPEG2 MP@HL • PLAYERS • WM9-HD@720p • VLC (subject to license issues) • WM9/10 • H.264, ACV, MPEG-4 • QuickTime • HDV • VLC Think Forward. Think ResearchChannel iHD Development The Future Lower latency Linux implementation Interoperability SHD projects Think Forward. Think ResearchChannel For More Information • www.researchchannel.org • inquires: info@researchchannel.org Michael Wellings Director, Engineering wellings@researchchannel.org Think Forward. Think ResearchChannel Frequency Characteristics for 25 Mbps L -GOP Compression L-GOP 24 MHz Band Think Forward. Think ResearchChannel Preliminary Bandwidth Comparison between HDCAM/SR, XDCAM-HD and HDV 24 24 MHz MHz 30 30 MHz MHz HDCAM-SR HDCAM-SR HDCAM HDCAM 10 10 MHz MHz 20 20 MHz MHz 30 30 MHz MHz Think Forward. Think ResearchChannel
Similar documents
An overview of Bigvideo desktop HD and DVTS multicast infrastructure
Encode/decode Encode/decode acceleration acceleration cards cards –– Tarari Tarari –– WM9 WM9 real real time time HD HD
More information