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19 Aug 08
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Avid has engineered a work flow that will allow the 100-mbps HD video from the EVS units to be seamlessly converted to Avid's DNxHD mezzanine compression format (operating at 120 mbps for 50 Hz production, instead of the typical 145 mbps). This allows EVS' IPDirector systems to transfer EVS clips directly to the Avids for editing and for finished Avid clips to be pushed to EVS for playback to air.
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Avid is supplying a Unity ISIS shared storage system with some 224 terabytes of storage, Interplay work-flow-management software and 34 seats of Symphony Nitris and Media Composer nonlinear editing software. The Avid systems will connect to XT servers from EVS, which will be used by NBC to ingest live feeds (NBC has a total of 48 XT servers).
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NBC will have more than 100 Sony cameras in Beijing, but the lion's share of coverage will come from BOB, which is using some 60 mobile units and a mix of HD cameras, including Thomson LDK hard cameras and Panasonic P2 solid-state camcorders, to cover every sport in 1080-line-interlace HD at 50 hertz. NBC will mainly use its cameras to supplement BOB's coverage of major sports such as track and field.
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A significant technology shift for Beijing is moving from Sony HDCAM tape to Sony XDCAM HD optical disc as NBC's “workhorse format” for ENG-type (electronic newsgathering) acquisition and editing. NBC had been waiting for the “phase 3” version of XDCAM HD with 4:2:2 color sampling, eight audio channels and 50-megabit-per-second recording before moving to the optical-disc format. It didn't get test machines until February, and it took delivery of around 170 XDCAM HD recording decks and 35 PDW-700 camcorders June 1. That “was a little nerve-wracking,” said Mazza, adding that NBC will continue to use some HDCAM tape decks in its traditional edit suites.
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an unprecedented amount of broadband coverage. Some 2,200 hours of live streaming broadband coverage of 25 sports will run, plus another 3,000 hours of on-demand video including highlights and encores.
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