1 / 26

ResearchChannel: Think Forward. Think Success.

ResearchChannel: Think Forward. Think Success. Michael Wellings, Director, Engineering San Diego. Topics of Discussion. HD Network Update iHDTV Applications Current state of iHDTV system Planned Software Enhancements Demos System design Audio Video. iHDTV Explained. iHDTV Explained

keaton-fowler
Download Presentation

ResearchChannel: Think Forward. Think Success.

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ResearchChannel:Think Forward. Think Success. Michael Wellings, Director, Engineering San Diego

  2. Topics of Discussion HD Network Update • iHDTV Applications • Current state of iHDTV system • Planned Software Enhancements • Demos • System design • Audio • Video

  3. iHDTV Explained • iHDTV Explained • iHD1500 • iHD270 • HD to the Desktop

  4. 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)

  5. iHDTV Explained • iHD270 (first introduced aug 99) • Sony HDCamtm 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

  6. Scheduled Demos • 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)

  7. iGRID 2005 San Diego • USA118: Global N-Way Interactive HD • USA119: 20,000 Terabits under the sea

  8. iGRID 05 – USA118 • Sept 2005 - iGrid San Diego • Enhanced HD interactive - USA118: Global N-Way Uncompressed Interactive Conferencing • Remote sites: • University of Washington - Seattle • WIDE - Tokyo • University of Wisconsin - Madison • University of Michigan • SURFnet - Amsterdam • AARnet - Goldcoast

  9. 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

  10. 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

  11. iGRID USA 118 Network Diagram

  12. iGRID USA 118

  13. iGRID USA 118

  14. 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

  15. iGRID USA 119

  16. iGRID USA 119 Network

  17. 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

  18. iHD-X: Open Source • Open Source • First quarter 2006 • Looking at various forms of open source • Call for participants

  19. 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

  20. 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 High Definition Video to the Desktop

  21. 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

  22. 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

  23. iHD1500 Development The Future Software tile display software audio switching/mixing software video switching

  24. For More Information • www.researchchannel.org • inquires: info@researchchannel.org Michael Wellings Director, Engineering wellings@researchchannel.org

More Related