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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
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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
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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
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The Company We
Keep
• Universities
• Research institutions
• Corporate research centers
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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
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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
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U.S. Television
Distribution
21.9 million households
•
DishNetwork satellite system
•
•
11.5 million homes
Cable systems
• 10.4 million homes
• 35 states
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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
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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
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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
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Minutes Played per
Month 8/03-8/04
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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
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iHDTV Explained
• iHDTV Explained
• iHD1500
• iHD270
• HD to the Desktop
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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
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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
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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)
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iGRID 2005 San Diego
• USA118: Global N-Way Interactive HD
• USA119: 20,000 Terabits under the sea
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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
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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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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
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iGRID USA 118 Network
Diagram
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iGRID USA 118
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iGRID USA 118
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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
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HD VOD
• http://www.researchchannel.org/demos/mf
_desktophd.asp
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iGRID USA 119
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iGRID USA 119 Network
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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
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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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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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iHD1500 Software
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SC’05
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iHD-X: Open Source
•
Open Source
• First quarter 2006
• Open source structure be settled on
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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
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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, …
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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
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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
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iHD Development
The Future
Lower latency
Linux implementation
Interoperability
SHD projects
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For More Information
• www.researchchannel.org
• inquires: [email protected]
Michael Wellings
Director, Engineering
[email protected]
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Frequency Characteristics
for 25 Mbps L
-GOP Compression
L-GOP
24 MHz Band
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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
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