sura_vide_2002.ppt

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sura_vide_2002.ppt

  1. 1. NASA’s Digital Video Initiatives SURA ViDe 2002 Rodney Grubbs NASA/MSFC
  2. 2. Themes <ul><li>Video as data </li></ul><ul><li>Collaboration </li></ul><ul><li>Convergence </li></ul><ul><li>Scalability </li></ul><ul><li>Infrastructure </li></ul><ul><li>Quality </li></ul><ul><li>Analysis </li></ul>
  3. 3. NASA Digital Video Initiatives <ul><li>Multi-channel digital NASA TV </li></ul><ul><li>Archival video </li></ul><ul><ul><li>Broadcast quality </li></ul></ul><ul><ul><li>Web access preview </li></ul></ul><ul><ul><li>Metadata </li></ul></ul><ul><li>DTV from orbit </li></ul><ul><li>Enhanced video teleconferencing </li></ul>
  4. 4. Multi-channel digital NASA TV <ul><li>Today’s NASA TV one channel, analog, from one site at a time </li></ul><ul><li>Link all centers via ATM, 8Mbps QOS </li></ul><ul><li>All centers with 4:2:2 MPEG-2 Codecs </li></ul><ul><li>One center programs and multi-plexes MPEG-2 video, uplinks signal to satellite </li></ul><ul><li>Can also be used for private network, backhaul video between centers </li></ul>
  5. 5. Archival video <ul><li>All centers have different library systems with motion picture film and every analog and digital tape format imaginable </li></ul><ul><li>Standardize broadcast quality archival video format, web access preview format, meta-data, and data management systems </li></ul><ul><li>Result should be “google” type search of NASA video content </li></ul>
  6. 6. Metadata for Imagery <ul><li>Production Number </li></ul><ul><li>Title </li></ul><ul><li>Origination date </li></ul><ul><li>Description </li></ul><ul><li>Length for video or image size for stills </li></ul><ul><li>Original Master format </li></ul><ul><li>Center of origin </li></ul><ul><li>Release level (internal or external) </li></ul>
  7. 7. DTV from orbit <ul><li>HDTV camcorders </li></ul><ul><ul><li>Cameras are heavy </li></ul></ul><ul><ul><li>Pixel damage </li></ul></ul><ul><li>Shuttle DV based system </li></ul><ul><li>Live HDTV downlink </li></ul><ul><ul><li>STS-114 from International Space Station </li></ul></ul><ul><ul><li>Video as data </li></ul></ul><ul><ul><li>Distribution from MSFC, Huntsville, AL </li></ul></ul><ul><li>Dream system </li></ul><ul><ul><li>HD as IP from ISS </li></ul></ul><ul><ul><li>Multiple channels of SDTV MPEG-2 </li></ul></ul><ul><ul><li>Exterior cameras and “helmet-cam” </li></ul></ul>
  8. 8. Video Teleconferencing <ul><li>Virtual “telepresence”rooms </li></ul><ul><li>MPEG-2 multi-point capabilities </li></ul><ul><li>“ Brady Bunch” and “fast select” </li></ul><ul><li>Two channel multi-point conferencing </li></ul><ul><li>Collaborative engineering </li></ul><ul><li>Desktop teleconferencing </li></ul><ul><li>Solutions all need a robust network “highway”, especially the last mile </li></ul>
  9. 9. Technologies to Watch <ul><li>MPEG-4 </li></ul><ul><li>Optical Holographic Memory </li></ul><ul><li>Blu-ray DVD </li></ul><ul><li>Wireless </li></ul><ul><li>3rd Gen IP </li></ul><ul><li>Over-the-air digital broadcasting </li></ul><ul><li>Desktop solutions to former “black boxes” </li></ul><ul><li>Video based security applications </li></ul>
  10. 10. Strategies and Challenges <ul><li>Selling technology requires hands-on demonstration (and telling management the Jones’s already have it) </li></ul><ul><li>Build the highway first </li></ul><ul><li>Challenge industry </li></ul><ul><li>Remember a television is a television and a computer is a computer </li></ul><ul><li>Never give up, never surrender </li></ul>

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